Audio / Audio Engineering Magazine

Audio / Audio Engineering Magazine Subject Index May 1947 through December 1999

Click year from the following list to go to the necessary page: 1947, 1948 - page 2 1949 - page 4 1950 - page 6 1951 - page 8 1952 - page 10 1953 - page 12 1954 - page 14 1955 - page 16 1956 - page 18 1957 - page 20 1958 - page 22 1959 - page 24 1960 - page 26 1961 - page 28 1962 - page 30 1963 - page 32 1964 - page 34 1965 - page 36 1966 - page 37 1967 - page 39 1968 - page 41 1969 - page 43 1970 - page 45 1971 - page 47 1972 - page 49 1973 - page 51

1974 - page 53 1975 - page 55 1976 - page 57 1977 - page 59 1978 - page 61 1979 - page 63 1980 - page 65 1981 - page 67 1982 - page 69 1983 - page 71 1984 - page 73 1985 - page 75 1986 - page 77 1987 - page 79 1988 - page 81 1989 - page 83 1990 - page 86 1991 - page 89 1992 - page 91 1993 - page 94 1994 - page 97 1995 - page 100 1996 - page 104 1997 - page 107 1998 - page 111 1999 - page 115

This scanning has been made for scientific and educational purposes only not for profitable distribution. © A.Vostokov, 2003 http://www.analogaudio.narod.ru

S U B J E C T INDEX May 1947 through December 1948

AM TUNERS Elements of Residence Radio Systems; C. G. McProud, Oct. 48, 21.

II,

ACOUSTICS Dynamic Symmetry and Acoustic Room Design; M. Rettinger, Oct. 47, 12. Musical Acoustics; Benjamin F. Tillson; I, June 47, 34; II, July 47, 25; III, Aug. 47, 34; IV, Sept. 47, 30; V, Oct. 47, 25; VI. Nov. 47, 31; VII, Dec. 47, 23. AMPLIFIERS, AUDIO Cathode Phase Inverter Design; C. W. Vadersen; I. June 47, 18; II, July 47, 20. Elements of Residence Radio Systems; C. G. McProud, III, Noise Suppressor, Nov. 48, 20; IV, Main, Dec. 48, 22. Feedback Preamplifier for Magnetic Pickups; Richard S. Burwen, Feb. 48, 18. Flexible Decade Amplifier; Donald L. Clark, Jan. 48, 13. General Purpose 6AS7G—; C. G. McProud, June 48, 24. Graphical Characteristics of Cathode-Coupled Triode—; С J. LeBel, May 47, 40. Heater Supplies for—Hum Reduction; Frederick W. Smith, Aug. 48, 26. High — Fidelity 30 — Watt—; Curtiss R. Schafer, July 48, 21. High Quality, with Automatic Bias Control; J. R. Edinger, June 47, 7. High Quality, with 6AS7G; C. G. McProud, Mar. 48, 21. Improved Method of Locating Operating Point; Arthur Plowright, Sept. 47, 32. Loudness Control for Reproducing Systems; David C. Bomberger, May 48, 11. Multi-Purpose—; Maurice P. Johnson, Aug. 47, 20. Noise Suppressor—; (See Index.) Performance and Use of Limiting—; W. W. Dean and L. M. Leeds, July, 47, 17. Preamplifier Noise in FM Broadcasting; A. E. Richmond, July 47, 15. Simple Method of Determining Internal Resistance; Walther Richter, Oct. 48, 19. Simple RC Filters for Phonograph—; George L. Rogers, June 47, 28. AMPLIFIERS, CRYSTAL Characteristics of Amplifying Crystals; S. Young White. Nov. 48. 18; Dec. 48, 19. Design of A m p l i f y i n g Crystal Units; S. Young White, Sept. 48, 26. Experimental Data on—; S. Young White, Oct. 48, 32. Experimental—; Winston Wells, July 48, 6. Experimental—; S. Young White, A u g . 48, 28. ATTENUATORS Resistor Error in—; Herbert 1. Keroes. Oct. 48. 34. AUDIO DESIGN NOTES Attenuation vs Frequency. Single Constantk Section Low- or High-Pass Filter; May 48, 31. Cathode Follower; June 47, 39.

46

Coaxial Cable Capacitance; Sept. 48, 34. DBM-Impedance Chart; Oct. 48, 36. Exponential Current Change Chart; Oct. 47, 34. Increase in Current and Energy due to Insertion of Ideal Transformer Between Source and Sink; July 47, 35. Loss Due to Cable Pair Working Between Impedances of 5 Ohms; Sept. 47, 40. Matching Pads with Minimum Loss; Aug. 47, 38; Sept. 47, 34. Microseconds-DB Conversion; Mar. 48, 36. Negative Feedback Circuits; May 47, 35. Phase Shift and Attenuation of RC Coupling Circuit; Apr. 48, 28-29. Time Constant, Frequency, Attenuation of Coupling Circuits; Nov. 47, 26-27.

FM TUNERS Elements of Residence Radio Systems; I, С G. McProud, Sept. 48, 22. Tuning Indicator for; L. B. Keim, Sept. 48, 32. HEARING, Audiometry of Normal; C. J, Lebel, Nov. 47, 23.

AUDIOMETRY of Normal Hearing; LeBel, Nov. 47, 23.

HUM REDUCTION, Heater Supplies Frederick W. Smith, Aug. 48, 26.

C. J.

BELL, Ringing at its Fundamental Mode; S. Young While, May 47, 17. BROADCASTING Adapting Paper Tape Recorders for—; Richard S. O'Brien, June 47, 11. Applications of Magnetic Recording in Network—; R. F. Bigwood, July 48, 31. A r t i f i c i a l Reverberation System; George W. Curran, May 48, 13. Audio Frequency Response Measurements in—; A. E. Richmond, Jan. 48, 21. Audio Systems for—; J. D. Colvin, May 47, 11. Magnetic Tape Recorders in—; Howard A. Chinn, May 47, 7. Preamplifier Noise in FM—; A. E. Richmond, July 47, 15. Planning a Studio Installation; J. D. Colvin, I, July 47, 7; II, Aug. 47, 30; III, Sept. 47, 25. Single Jacks for Broadcast Application; Howard A. Chinn and Robert B. Monroe, July 47, 12. Studio Control Room Design; Robert V. Kinney, Dec. 48, 19. Studio Sound Reinforcement; Howard A. Chinn and Robert B. Monroe, Dec. 47, 5. Studio Pickup Technique; H. M. Gurin, Feb. 48, 9. CALIBRATOR, FM, for Disc Recording Heads; Ralph A. Schlegel, I, May 47, 18; II. June 47, 20; III, July 47, 28. DBM vs VU, Howard 48, 28.

A.

Chinn.

Mar.

DESIGN FUNDAMENTALS, Audio System; Howard A. Chinn, Nov. 48, 11. EQUALIZATION High — Frequency, for Magnetic Pickups; C. G. McProud, Sept. 47, 13. Preequalization, for Phonograph Records, Notes on; Apr. 48, 15. RC Circuits as Equalizers; Holger M. Dahl, June 48, 16. Transition Frequency Compensation; C. G. McProud, July 47, 10.

EXPANDERS, VOLUME Experimental, and Scratch Suppressor; С G. McProud, Aug. 47, 13. High — Fidelity—; Norman C. Pickering, Sept. 47, 7. FILTERS, Simple RC, for Phonograph Amplifiers; George L. Rogers, June 47, 28,

for;

IMPEDANCE Impedance Matching; O. L. Angevine, Jr., Dec. 47, 20. Multiple Speaker Matching; John Winslow, May 47, 30. INSTRUMENTS, MEASURING Comparative Vacuum-Tube Decibel Meter; J. H. Grieveson and A. M. Wiggins, May 47, 15. Design of a Continuously Variable Audio Signal Generator; Brunton Bauer, Nov. 48, 15. FM Calibrator for Disc Recording Heads; Ralph A. Schlegel, I, May 47, 18; II, June 47, 20; III, July 47, 28. Gain Set, Practical; C. G. McProud, May 48, 20. Impedance Bridge, Practical; John Winslow, Aug. 48, 13. Transmission Measuring Set, CBS; Donald F. Maxwell, Apr. 48, 16. INTERMODULATION Intermodulation and Harmonic Distortion Measurements; J. Avins, Oct. 48, 17. Simplified Intermodulation Measurement; C, G. McProud, May 47, 21. JACKS, Single, for Broadcast Application; Howard A. Chinn and Robert H. Monroe, July 47, 12. LISTENER PREFERENCES Factors Influencing Studies of Audio Reproduction Quality; N. M. Haynes, Oct. 47, 15. Notes on Wide-Range Reproduction; J. N. A. Hawkins, Dec. 47, 19. Perfect vs Pleasing Reproduction; J. Moir, June 47, 24. Psycho-Acoustical Aspects of Listener Preference Tests; C. J. LeBel, Aug. 47, 9. Report on Dr. Harry F. Olson's Tests; June 47, 27. LOUDSPEAKERS D i v i d i n g Networks, Design and Construction; C. G. McProud, June 47, 15.

AUDIO ENGINEERING DECEMBER, 1948

Facts About Loudspeakers; O. L. Angevine, Jr. and R. S. Anderson, I, Feb. 48, 24; II, Mar. 48, 25. Getting the Moat Out of a Reflex-Type Speaker; Benjamin B. Drisko, July 48, 24. High — Fidelity Loudspeaker of Unique Design; John K. Milliard, May 47, 33. High-Quality Speaker Enclosure; Herbert G. Eidson, Jr., Oct. 48, 24. Horn-Type Loudspeakers; S. J. White, May 48, 25. Multiple Speaker Matching; John Winslow, May 47, 30. Three-Way Speaker System; George A. Douglas, June 48, 15. Two-way Speakers from Commercial Components; John Winslow, Nov. 48, 29. Two-Way Speaker System; C. G. McProud, I. Nov. 47, 18; II. Dec. 47, 17; III, Feb. 48, 21. Vented Loudspeaker Enclosures; F. E. Planer and I. I. Boswell, May 48, 29. MEASUREMENTS A-F Response Measurements in Broadcasting; A. E. Richmond, Jan. 48, 21, Analyzing Sweep-Frequency Transcriptions; Wayne R. Johnson. Oct. 47, 18. Comparative Vacuum-Tube Decibel Meter; J. H. Grieveson and A, M. Wiggins, May 47, 15. Design of a Continuously Variable Audio Signal Generator; Brunton Bauer, Nov. 48, 15. Determining Internal Resistance, Simple Method of; Walther Richter, Oct. 48, 19. Decade Amplifier, Flexible; Donald L. Clark, Jan. 48, 13. Gain Set, Practical; C. G. McProud, May 48, 20. Impedance Bridge, Practical; John Winslow, Aug. 48, 13. Intermodulation and Harmonic Distortion Measurements; J. Avins, Oct. 48, 17. Intermodulation Measurement, Simplified; C. G. McProud, May 47, 21. Square Wave Analysis at Audio Frequencies; J. P. Van Duyne and M. E. Clark, May 47, 27. Transmission Measuring Set, CBS; Donald F. Maxwell, Apr. 48, 16. MIXING NETWORKS, Design and of; K. C. Morrical, Nov. 47, 11.

Use

N.A.B. Recording Standards Meeting, Report; Oct. 47, 32. NOISE, Preamplifier, in FM Broadcasting; A. E. Richmond, July 47, 15. NOISE SUPPRESSORS Balanced Clipper Noise Suppressor; S. Leslie Price, Mar. 48, 13. Dynamic Noise Suppressor; John D. Goodell, Nov. 47, 7. Elements of Residence Radio Systems; III, C. G. McProud, Nov. 48, 20. Experimental Noise Suppressor, (Olson) ; Charles D. Cole, Jan. 48, 9; Also schematic, Dec. 47, 28. Experimental Volume Expander and Scratch Suppressor; C. G. McProud, Aug. 47, 13. General Purpose 6AS7G Amplifier; C. G. McProud, June 48, 24 Simplified Dynamic Noise Suppressor; C. G. McProud, Aug. 48, 22. ORGANS, Design of Electric; Winston Wells, I, Aug. 47, 16; II, Sept. 47, 19; III, Apr. 48, 24; IV, Sept. 48, 28.

PHONOGRAPH PICKUPS Electron-Tube Phonograph Pickup; Harry F. Olson and J. Preston, Aug. 48, 17. New Phonograph Pickup Principle; Albert E. Hayes, Jr., Oct. 47, 14. PHONOGRAPH RECORDS Columbia LP Microgroove Records; Aug. 48, 24. Making Phonograph Record Matrices; Harold Harris, July 48, 14. Misconceptions about Record Wear; Norman C. Pickering, June 48, 11. Polyethylene Phonograph Records; Otto J. M. Smith, Sept. 48, 13. PHONOGRAPH REPRODUCTION Feedback Preamplifier for Magnetic Pickups; Richard S. Burwen, Feb. 48, 18. High — Frequency Equalization for Magnetic Pickups; C. G. McProud, Sept. 47, 13. Simple RC Filters for Phonograph Amplifiers; George L. Rogers, June 47, 28. Transition Frequency Compensation; C. G. McProud, July 47, 10, PREAMPLIFIERS Feedback, for Magnetic Pickups; Richard S. Burwen, Feb. 48, 18. Noise, in FM Broadcasting; A. E. Richmond, July 47, 15. RECORDERS, MAGNETIC Adapting, for Broadcasting; Richard S. O' Brien, June 47, 11. in Broadcasting; Howard A. Chinn, May 47, 7. of Broadcast Quality; Harold Lindsay and Myron Stolaroff, Oct. 48, 13. The Magnetophon; Don V. R. Drenner, Oct. 47, 7. Two-Channel, Two-Way-Drive; R. E. Zenner and R. B. Vaile, Jr., Apr. 48, 11. RECORDING, DISC Embossed High — Fidelity Recording; Robert Wagner, May 47, 24. Increased Volume Level in; Emory Cook, Mar. 48, 17. Noise Modulation in; Emory Cook, Dec. 47, 8. Self-Monitoring Recorder Head; S. Young White, Aug. 47, 32. Speech Recording in the Classroom; William J. Temple, Aug. 48, 21. Stylus Design of a New, for Lacquer Recording Head; S. J. Begun, Dec. 48, 11. Telephone Recording; I. W. Savage, I, Apr. 48, 20; II, July 48, 26; III, Dec. 48, 14. RECORDING, FILM Sound on Film; John A. Maurer, Nov. 48. 24. RECORDING, MAGNETIC Applications in Network Broadcasting; R. F. Bigwood, July 48, 31. Bibliography of; N. M. Haynes, Oct. 47, 30. "Edispot", Spotting Device for Editing; Richard S. O'Brien, July 48, 11. Factors Affecting Frequency Response and Distortion in; J. S. Buyers, May 48. 18. Magnetic Field Distribution of a Ring Recording Head; S. J. Begun, Dec. 48. 11. Review of the Present Status of Theory; W. W. Wetzel. I, Nov. 47, 14; II, Dec. 47, 12; III, Jan. 48, 26. REVERBERATION System,

Artificial;

George W. Curran, May 48, 13.

AUDIO ENGINEERING DECEMBER, 1948

SQUARE WAVE Analysis at

Audio Fre-

quencies; J. P. Van Duyne and M. E. Clark, May 47, 27. SYSTEMS Audio, for FM Broadcasting; J. D. Colvin, May 47, 11. Broadcast and Public Address; Arthur W. Schneider, Aug. 47, 27. Industrial Music; Samuel C. Milbourne, July 47, 31. Loudness Control for Reproducing—; David C. Bomberger, May 48, 11. Multi-Lingual Interpreting—; C. A. Tuthill, Sept. 47, 10. Problems of Sound Distribution; O. L. Angevine, Jr. and R. S. Anderson. I, June 48, 18; II, Sept. 48, 16; III, Oct. 48, 28. Residence Radio—, Elements of; C, G. McProud, I, Sept. 48, 22; II, Oct. 48, 21; III, Nov. 48, 20; IV, Dec. 48, 22. Sound Reinforcement, in Broadcasting; Howard A. Chinn and Robert B. Monroe, Dec. 47, 5. Sound Reinforcement, in Hollywood Bowl; M. Rettinger, Feb. 48, 15. Wired Music, Design and Construction; Arthur R. O'Neil and Herbert G. Cole, July 48, 19. TELEPHONE RECORDING; E. W. Savage, I, Apr. 48, 20; II, July 48, 26; III, Dec. 48, 14. TUNING INDICATOR, for FM Receivers; L. B. Keim, Sept. 48, 32. ULTRASONICS Applications of, in Biology; S. Young White, June 48, 30. Coupling Energy to a Load; S. Young White, Mar. 48, 29. Economic Considerations in Industrial—; S. Young White, Jan. 48, 31. Elements of; S. Young White, Feb. 48, 28. High Power—; S. Young White, July 47, 23. —notes on Using; S. Young White, Apr. 48, 26. in Liquids; S. Young White, Sept. 47, 16. Opportunities in; S. Young White, June 47, 30. in Solids; S. Young White, Oct. 47, 22. Testing by; S. Young While, Nov. 47, 28. Too Much Audio; S. Young White, May 47, 31. VACUUM TUBES Advantages of Space-Charge Grid Output Tubes; Oct. 47, 20. Graphical Characteristics of Cathode-Coupled Triodes; C. J. LeBel, May 47, 40. Cathode Phase Inverter Design; C. W. Vadersen, I, June 47, 18; II, July 47, 20. VOLTAGE STABILIZERS, A C ; Helterline, Jr., Sept. 47, 23.

Leo

L.

VOLUME EXPANDERS High Fidelity—; Norman C. Pickering, Sept. 47, 7. Experimental, with Scratch Suppressor; C. G. McProud, Aug. 47, 13. WIRING STANDARDS, Suggested, for Motion Picture Recording Equipment; Gino Rudolfi, Dec. 48 16.

47

Audio Engineering—Vol. 33—1949 AM TUNERS Tubeless Hi-Fi Tuner; Aug, 32. AUDIANA Recording Characteristics; Proud, Dec, 20.

C. G. Mc-

AMPLIFIERS Compact 6AS7G Amplifier for Residence Audio Systems; C. G. McProud, I, Mar, 17; II, Apr, 16. Below 50 Cycles; Saul J. White, Dec, 16. Cathode Follower as an Audio Power Amplifier; Howard T. Sterling, Dec, 12. Low-Power Cathode-Coupled Amplifier; Raymond H. Bates, June, 30. Practical Cathode-Follower Audio Amplifier; W. T. Gilson and Russell Pavlat, May, 9. High-Power Triode Amplifier; Walter T. Selsted and Ross H. Snyder, Feb, 9. Musician's Amplifier; David Sarser and Melvin C. Sprinkle, Nov, 11. New 50-watt Amplifier Circuit, Description and Analysis; Frank H. McIntosh, and Gordon J. Gow, Dec, 9. New Developments in Logarithmic Amplifiers; C. J. LeBel; Sept, 15. New Portable Audio Amplifier for AMFM-TV; W. W. Dean, July, 11. Practical Aspects of Logarithmic Amplifiers; C. J. LeBel, Nov, 22. Tweeter Amplifier; David Hancock, Nov, 47. AMPLIFIERS, PREContinuously Variable Equalizing Preamplifier; David C. Bomberger, Apr, 14. New Developments in Preamplifiers; C. J. LeBel, June, 9. Simplified Preamplifier Design; Howard T. Sterling, Nov, 16. Versatile Phonograph Preamplifier; Paul W. St. George and Benjamin B. Drisko, Mar, 14. BROADCASTING Audio Technique in Television Broadcasting; R. H. Tanner, Mar, 9. Construction of a Broadcast Station Record Turntable ; Herbert G. Eidson, Jr., May, 24. Disc Recording for Broadcast Stations; W. J. Mahoney, Apr, 9. Instructional Broadcast Studio, A n ; Eugene F. Coriell, Nov, 14. New Portable Audio Amplifier for AMFM-TV; W. W. Dean, July, 11. Studio Control Room Design; Robert V. Kinney, Jan, 21. WMGM Master Control Equipment Design; M. E. Gunn, Mar, 24. CATHODE COUPLING Low-Power Cathode-Coupled Amplifier; Raymond H. Bates, June, 30. Cathode Follower as an Audio Power A m p l i f i e r ; Howard T. Sterling, Dec, 14. Developments in Cathode Followers; C. J. LeBel. Aug, 11. Practical Cathode-Follower Audio Amplifier; W. E. Gilson and Russell Pavlat, May, 9. CONTROLS Construction Details of a Continuously Variable Loudness Control; J. W. Turner, Oct, 17. Flexible Dual Control System; Howard T. Sterling, Feb. 11. Full-Range Loudness Control; John Winslow, Feb, 24. Low-Loss Tone Control; James J. Faran, Jr., June, 31.

46

CHARTS Magnetic Tape or Wire Speed vs Recorded Wavelength; "Stylus," Feb, 34. Voltage Ratio vs Percentage Distortion; H. P. Meisinger, Jan, 24. COMPONENTS Omnidirectional Microphones, A n ; John K. Milliard, Apr, 20. Audio Transformer Applications; A. J. Avis, Nov, 20. FILM RECORDINGS, Conversion Method to Increase Studio Facilities; Norman T. Prisament and Thomas F. LoGiudice, May, 15. FILTERS Crossover Filter for Disc Recording Heads ; H. E. Roys, June, 18. Using the Reactance Chart for Filter Design Problems; H. B. Davis, Dec, 12. HEARING Problems in Audio Engineering, Lewis S. Goodfriend: I, The Ear; May, 22, II, Effect of Sound on the Ear; June, 15. III, Articulation; July, 20. Speech Association Convention, Report on; Apr, 28. LANGUAGE of Audio, The; John D. Goodell. July, 25. LOUDNESS CONTROLS Construction Details of a Continuously Variable Loudness Control; J. W. Turner, Oct, 17. Full-Range Loudness Control; John Winslow, Feb, 24. LOUD SPEAKERS Below 50 Cycles; Saul J. White, Dec, 16. Corner Speaker Design. C. G. McProud; I, Jan, 14. II, Feb, 13. Corner Speaker Cabinet for 12-inch Cones; C. G. McProud, May, 14. Ground Loudspeakers; David Scott, Oct, 18. New 15-inch Duo-Cone Loudspeaker; Harry F. Olson, John Preston, and D. H. Cunningham, Oct, 20. MEASUREMENTS Audio Frequency Measurements; W. L. Black and H. H. Scott: I, Oct, 13; II, Nov, 18. Audio Sweep-Frequency Generator; G. A. Argabrite, May, 11. Developments in Cathode Followers; C. J. LeBel, Aug, 11. Developments in Logarithmic Amplifiers; C. J. LeBel, Sept. 15. Practical Aspects of Logarithmic Amplifiers ; C. J. LeBel, Nov. 22. Electronic Audio Sweep-Frequency Generator, A New; H. Toomin (AES section), Aug, 23. Measuring High - Resistance Values; Llewellyn Bates Keim, Oct, 36. Measuring Procedures for Magnetic Recording; Apr, 19. Simplified Transmission Set; J. P. Smith, Jr., and C. F. Scott. May, 19. Test Record List; Sept, 14. Additional, Nov, 55. Use of the Transmission Measuring Set; George W. Curran, Feb, 26. MICROPHONE, An Omnidirectional; J. K. Milliard, Apr, 20. MOTION PICTURE Film Sound Reproducers ; H. D. Hastings and T. F. LoGiudice. Jan, 18.

PHONOGRAPH PICKUPS New Polyphase Reproducer Maximilian Weil, June, 13.

System;

PHONOGRAPH RECORDS Characteristics of the New 45-rpm Records; "Stylus," Mar, 6. Test Record List; Sept, 14. Additional, Nov, 55. PHONOGRAPH REPRODUCTION Cartridge Adaptation, William J. Kessler, June, 31. Construction of a Broadcast Station Record Turntable; Herbert G. Eidson, Jr., May, 24. Continuously Variable Equalizing Preamplifier; David C. Bomberger, Apr, 14. Importance of Groove Fit in Lateral Recordings; D. R. Andrews, July, 18. New Polyphase Reproducer System; Maximilian Weil, June, 13. Recording Characteristics (Audiana); C. G. McProud, Dec, 20. Simplified Preamplifier Design; Howard T. Sterling, Nov, 16. Versatile Phonograph Preamplifier; Paul W. St. Goerge and Benjamin B. Drisko, Mar, 14. PROBLEMS in Audio Engineering; Lewis S. Goodfriend: Introduction, Mar, 23. I, The Ear; May, 22. II, Effect of Sound on the Ear, June, 15. III, Articulation, July, 20. IV, Sound Waves, Aug, 19. V, Sound Generators, Sept, 18. VI, Musical Instruments and Human Speech, Oct, 23. PSYCHO—ACOUSTICS —Aspects of Higher Quality Reproduction; C. J. LeBel, Jan, 9. Language of Audio, The; John D. Goodell, July, 25. RECORDING, DISC Crossover Filter for Disc Recording Heads; H. E. Roys, June, 18. Cutting Stylus Problem in Microgroove Recording; "Stylus," Apr, 26. Disc Recording for Broadcast Stations; W. J. Mahoney, Apr, 9. Importance of Groove Fit in Lateral Recordings; D. R. Andrews, July, 18. Improved Lacquer Disc Recording Head; H. E. Roys, Feb, 21. Lateral Feedback Disc Recorder (AES Section) ; G. R. Yenzer, Sept, 22. Recording Characteristics (Audiana) ; C. G. McProud, Dec, 20. RECORDING, MAGNETIC Head Alignment with Visible Magnetic Tracks; B. F. Murphey and H. K. Smith, Jan, 12. Low-Cost Precision Magnetic Recorder for Professional Use; Myron J. Stolaroff, Aug, 17. Magnetic Tape and Head Alignment Nomenclature; N. M. Haynes, June, 22. Magnetic Tape Erasure by Permanent Magnets ; Robert Herr, Aug, 14. Magnetic Tape or Wire Speed vs Recorded Wavelength (Chart); "Stylus," Feb, 34. Making Magnetic Recordings Visible (Photos) ; Apr. 23. Mass Production Tape Recording; Apr, 21. Measuring Procedures for Magnetic Recording; Apr, 19.

AUDIO ENGINEERING

•

DECEMBER, 1949

SCHOOL Sound System, Modern; Arthur W. Schneider, Sept, 11. TECHNI—BRIEFS Cartridge Adaptation; William J. Kessler, June, 31. Low-Loss Tone Control; James J. Faran, Jr., June, 31. Low-Power Cathode-Coupled Amplifier; Raymond H. Bates, June, 30.

AUDIO ENGINEERING

•

Measuring High Resistance Values; Llewellyn Bales Keim, Oct, 36. Tubeless Hi-Fi Tuner; Aug, 32. Tweeter Amplifier; David Hancock, Nov, 47. THEATRE, Auditory Component Control for the Legitimate —; John H. Beaumont, July, 15, TONE CONTROLS Flexible Dual System; Howard T. Sterling, Feb, 11.

DECEMBER, 1949

TRANSFORMER Applications, Audio; A. J. Avis, Nov, 20. TELEVISION Audio Technique in Television Broadcasting; R. H. Tanner, Mar, 9. Improved Audio Quality from Standard TV Receiver; C. G. McProud, Oct, 28. ULTRASONICS, Experimental; S. Young White: I, Mar, 20. I I , A p r , 24.

47

SUBJECT Acoustics —— of London's New Concert Hall; Nov., 26. Impact of —— on Music, The; Robert H. Tanner; Nov., 21. Reverberation-Time Calculation, Simplified; (Chart) Lewis S. Goodfriend; May, 20. Audio Engineering Society Papers Automatic Audio Gain Controls; J. L. Hathaway; I Sept, 16; II Oct., 27. Convention Program; Oct., 30. Diamond as a Phonograph Stylus Material, The; E. J. and M. V. Marcus; July, 25. Longitudinal Noise in Audio Circuits; H. W. Augustadt and W. F. Kannenberg; I Jan., 22; II Feb., 18. Sound Reinforcing Systems; Arthur W. Schneider; Nov., 27. Amplifiers Automatic Audio Gain Controls; (AES) J. L. Hathaway; I Sept., 16; II Oct., 27. Cathode Follower Output Stage, The; Robert M. Mitchell; Feb., 12. Equipment Report: Rauland 1825 HighFidelity Phono Amplifier; April, 25. Feedback ——, Considerations in the Design of; Herbert J. Keroes; I May, 14; II June, 17. For Golden Ears Only; Joseph Marshall; Mar., 13. Limiting — — , Performance and Operation of a New; G. A. Singer; Nov., 18. Loudspeaker Damping as Function of Plate Resistance of Output Tube; Donovan V. Geppert; Nov., 30. Reduction in Output Impedance Obtained with Negative Feedback, (Chart); Willard F. Meeker; Feb., 23. "Williamson" Type —— Using 6A5's; J. H. Beaumont; Oct., 24. Amplifiers, PreAudio Input System for the Discriminating Listener, An; Wayne B. Denny; Jan., 9. Equalized —— using Single-Stage Feedback; Lawrence Fleming; March, 24. Phonograph Reproductions; (Audiana) C. G. McProud; I Feb., 24; II March, 20. Analogies, Dynamical; (Audiana) Lewis S. Goodfriend; I Sept., 20; II Oct., 36. Attenuator Calculator using Vector Slide Rule. Rapid; A. E. Richmond; Dec., 19. Audiana Construction Practice; C. G. McProud; friend; I Sept., 20; II Oct., 36. Dynamical Analogies; Lewis S. Goodfriend; I Sept., 20; II Oct., 26. Equivalent Circuits; Lewis S. Goodfriend; Aug., 20. High Fidelity; Lewis S. Goodfriend; I Nov., 32; II Dec., 34. Miller Effects, The; Lewis S. Goodfriend; July, 28. Phonograph Reproduction; C. G. McProud; I Feb., 24; II March, 20. Recording Characteristics; C. G. McProud; II, Jan., 20. Audio in England; H. A. Hartley; I Jan., 42; II Nov., 36. Audio Fair, The Directory of Exhibitors; Oct., 32. Review; Dec., 24. Broadcasting Frequency-Controlled Rotary Converters; Robert W. Carter; June, 18. Remote Installations; Elliott D. Full; Oct., 18. Cabinets for Home Use, Readers' Mc-

62

INDEX

gestions; March, 19. Cathode Follower Output Stage, The; Robert M. Mitchell; Feb., 12. Charts Hygrometric Chart, A New; "Stylus"; April, 24. Reduction in Output Impedance Obtained with Negative Feedback; Willard F. Meeker; Feb., 23. Resonant Loudspeaker Enclosures; Bob Hugh Smith; Dec., 22. Reverberation-Time Calculation, Simplified; Lewis S. Goodfriend; May, 20. Wavelength for Air; Lewis S. Goodfriend; Oct., 34. Components Frequency Controlled Rotary Converters; Robert W. Carter; June, 18. Optimum Use of Nickel Alloy Steels in Low-level Transformers; L. W. Howard; Oct., 20. Construction Practice; C. G. McProud; I April, 26; II May, 19; III June, 26. Controls Overcoming Fletcher-Munson Effects; Nathan Grossman and Meyer Leifer; April, 22. Continuously Variable Loudness —— ; E. E. Johnson; Dec., 18. Equipment Report: Rauland 1825 HighFidelity Phono Amplifier, April, 25. Filter Characteristics, Measurement of High-Pass; Werner E. Neuman, Feb., 14. Flewelling Audio System, The; E. T. Flewelling; Nov., 15. Hearing Aid Trends; F. Hardwick; June, 23. High Fidelity (Audiana); Lewis S. Goodfriend; I Nov., 32; II Dec., 34. Imagery for Describing Reproduced Sound; Vincent Salmon; I Aug., 14; II Sept, 14. Intermodulation Measurements, Simplified; John M. van Beuren; Nov., 24. Loudness Controls Continuously Variable —— ; E. E. Johnson; Dec., 18. Overcoming Fletcher-Munson Effects; Nathan Grossman and Meyer Leifer; April, 22. Loudspeakers Adventure in Loudspeaker Design, An; Howard T. Souther; June, 14. Crossover Network for Unequal VoiceCoil Impedances; Watson F. Walker; July, 14. Design, Construction, and Adjustment of Reflexed Cabinets; David W. Worden; Dec., 15. —— for the Range from 5 to 20 kc, A; B. H. Smith and W. T. Selsted; Jan, 16. New —— of Advanced Design, A; Daniel J. Plach and Philip E. Williams; Oct., 22. Resonant —— Enclosures, (Chart); Bob Hugh Smith; Dec., 22. Sensitivity, Directivity, and Linearity of Direct Radiator —— ; Harry F. Olson; Oct., 15. Symmetrical Corner ——, A; W. E. O i l son and J. J. Andrea; Mar., 16. Transient Testing of —— ; Murlan S. Corrington; A u g . , 9. Measurements Audio Frequency Phasemeter, An Improved ; O. E. Kruse and R. B. Watson; Feb., 9. Determining the Tracking Capabilities of A Pickup; H. E. Roys; May, 11. Determining Unknown Impedances in Transformers; L. H. Hippe; Dec., 21.

Distortion and Noise Meter, Fixed-Filter Type; J. P. Smith; Nov., 22. Filter Characteristics, —— of HighPass; Werner E. Neuman, Feb., 14. Impedance "Jig", A n ; Allen W. Smith; March, 18. Intermodulation ——, Simplified; John M. van Beuren; Nov., 24. Intermodulation Analyzer for Audio Systems, An; Roy S. Fine; July, 11. Phase-Shift Method of Measuring Flutter; Charles A. Hisserich and Arthur Davis; July, 15. Simple Stroboscopes; L. B. Hedge; Aug., 22. Transient Testing of Loudspeakers; Murlan S. Corrington, Aug., 9. White Noise Generator for Audio Frequencies; J. M. Gottschalk, May, 16. White-Noise Testing Methods; Emory Cook; March, 13. Microphones Bantam Velocity —— , The; L. J. Anderson and L. M. Wigington; Jan., 12. KB-3A High-Fidelity Noise-Cancelling ——, The; L. J. Anderson and L. M. Wigington; April, 16. Unobtrusive Pressure ——; Harry F. Olson and John Preston; July, 18. Miller Effect, The. (Audiana); Lewis S. Goodfriend; July, 28. Motion Pictures, Magnetic Recording in; M. Rettinger; I March, 9; II April, 18. Negative Feedback Considerations in the Design of Amplifiers; Herbert I. Keroes; I May, 14; II June, 17. Reduction in Output Impedance Obtained with, (Chart); Willard F. Meeker; Feb., 23. Networks, Crossover, for Unequal VoiceCoil Impedances; Watson F. Walker; July, 14. Noise Longitudinal —— in Audio Circuits (AES Paper); H. W. Augustadt and W. F. Kannenberg; I Jan., 22; II Feb., 18. White-Noise Generator for Audio Frequencies; J. M. Gottschalk, May, 16. White-Noise Testing Methods; Emory Cook; March, 13. P. A. Systems, Aircraft; George H. Warfel; Jan., 19. Patent Infringement and the Home Experimenter; Albert E. Hayes, Jr., June, 28. Phasemeter, An Improved Audio-Frequency; O. E. Kruse and R. B. Watson ; Feb., 9. Phonograph Records, The Best British of 1949; H. A. Hartley; Nov., 38. Phonograph Reproduction Determining the Tracking Capabilities of a Pickup; H. E. Roys; May, 11. —— (Audiana); C. O. McPround; I Feb., 24; II March, 20. Diamond As a Phonograph Stylus M a t e rial; (AES Paper) E. J. and M. V. Marcus; July, 25. Psycho Acoustics Controversial Idea from England; P. G. A. H. Voigt; Oct., 40. Recording, Disc Columbia Hot-Stylus Recording Technique, The; William S. Bachman; June, 11. Heated Stylus Recording Technique (AES); Leon A. Wortman; July, 24. New Technique for Reducing Distortion in Sound Recording; Caldwell P. Smith; April, 28.

AUDIO ENGINEERING

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DECEMBER, 1950

Recording Characteristics (Audiana); C. G. McProud; II Jan., 20. Recording and Fine-Groove Technique; H. E. Hoys; Sept., 11. Recording, Magnetic Art of Tape Recording. The; Joel Tall; I May, 13; II June, 20; III July, 22; IV Aug., 16; V Sept., 15. —— of Meter Data; R. E. Zenner; Feb., 16.

AUDIO ENGINEERING

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—— in Motion Pictures; M. Rettinger; I March, 9; II April, 18. New Technique for Reducing Distortion in Sound Recording; Caldwell P. Smith; April, 28. Performance plus Economy Tape Recorder; Jay Blakesley; Nov., 20. Reverberation-Time Calculation, Simplified (Chart); Lewis S. Goodfriend; May, 20.

DECEMBER, 1950

Speech Communication Conference at M. I. T.; Leo L. Beranek; July, 21. Stereophonic Reproduction; Tenny Lode; Jan., 15. Transformers Determining Unknown Impedances in —— ; L. H. Hippe; Dec., 21. Optimum Use of Nickel Alloy Steels in Low-Level ——; L. W. Howard; Oct., 20.

63

SUBJECT INDEX Acoustics Acoustical Balance in Recording, Eddison von Ottenfeld. Aug., 23. Audio Engineering; Society Papers AES Standard Playback Curve. Jan., 22. Direct Radiator Loudspeaker Enclosures, Harry P. Olson. Nov., 34. Effect of Hound Intensity Level on Judgment of "Tonal Range" and "Volume Level," Stephen E. Stuntz. June, 17. Loudspeaker Damping. Albert Preisman. I, Mar., 22; II, Apr., 24. The Measurement of Audio Volume, Howard A. Chinn. I, Sept., 26, II, Oct., 24. New Method of Measuring and Analyzing Inter-modulation, C. J. LeBel. July, 18. Toward a More Realistic Audio, Ross H. Snyder. Aug., 24. Amplifiers Analysis of Split-load Phase Inverter, George Ellis Jones, Jr. Dec., 16. 15-Watt Direct-Coupled Amplifier, William B. Fraser. Apr., 15. How Far Can I Mismatch? Saul J. White, Jan., 15. The Interview Amplifier, C. G. McProud. Dec., 13. More About Mismatching, Robert M. Mitchell. Oct., 16. Musician's Amplifier Senior, David Sarser and Melvin C. Sprinkle. Jan., 13. New Approach to Loudspeaker Damping, Warner Clements. Aug., 20. Positive Feedback for A-F Curve Shaping, L. P. Haner; I, Feb., 16; 11, Mar., 15. Something New in Remote Amplifiers, Robert S. Houston. Nov., 18. Space-Charge-Grid Amplifier, Melvin C. Sprinkle, Sept., 15. Studio-Controlled Remote Amplifier, Robert S. Houston. Sept., 24. Survey of Audio-Frequency Power-Amplifier Circuits, Peter G. Sulzer. May, 15. An Ultra-Linear Amplifier, David Hafier and Herbert I. Keroes. Nov., 15. Versatile Amplifier from Junk-Box Parts, Curtiss R. Schafer. June, 22. A - M Radio Brief Review of Diode Detectors, Rudolph L. Kuehn. June, 11. Characteristics of AM Detectors, W. E. Babcock. July, 9. Receiver Bandwidth and its Measurement, Howard T. Sterling and Alan Sobel. Jan., 18. Attenuators Simple Attenuator Calculations, Jack D. Gallagher. Oct., 20. Terminal Impedance of an Attenuator, Herbert I. Keroes. I, Jan., 20; II, Feb., 22. Audio Audio—Big Business, Leon Wortman. Oct., 17. Audio in England—The 1951 Picture, H. A. Hartley. Oct., 40. A u d i o Techniques Scratch Kilter with Continuously Variable Cut-Off Point, Charles J. Levin, Nov., 6. Tape Recorder Remote Control, Raymond Lucia, Nov., 76. Broadcasting Broadcast. A u d i o Trends, W. E. Stewart. Nov., 22. Continuously Variable Equalizer, Wentworth D. Fling. Mar., 16. New AM-FM-TV Studio Consolette, P. W. Wildow and G. A. Singer. Sept., 20.

54

New Broadcast Lightweight Pickup and Tone Arm, L. J. Anderson and C. R. Johnson. Mar., 18. New Professional Tape Recorder, W. E. Stewart. Apr., 21. Something New in Remote Amplifiers, Robert S. Houston. Nov., 18. Studio-Controlled Remote Amplifier, Robert S. Houston. Sept., 24. Components Harmonic Distortion in Iron-Core Transformers, R. H. Eastop and T. Williams. Apr., 18. The Measurement of Audio Volume, Howard A. Chinn. I, Sept., 26; II, Oct., 24. Survey of European Sound Apparatus, John K. Hilliard. Aug., 32. Controls Simple Preamplifier and Tone-Control Unit, David H. O'Brien. Nov., 20. Tape Recorder Remote Control, Raymond Lucia. Nov., 76. Two-Tap Brass and Treble Compensated Volume Control, William O. Brooks. Aug., 15. Conventions AES Third Annual Convention Program. Nov., 32. The Audio Fair Review. Dec., 24. Whodathunkit—AE Was Born in California. Aug., 17. Decibels Adding Decibel-Expressed Quantities, Alfred L. DiMattia and Lloyd R. Jones. July, 15. Defense Effort Audio in the Armed Forces, Lt. George Marakas. Aug., 16. Ultrasonics in the Loran Trainer, Philip D. Stahl. I, May, 13; II, June, 14. Distortion Expressions for the Reduction of Distortion and Output Impedance in Terms of db of Feedback, William J. Kessler and Sydney E. Smith. Oct., 13. Harmonic Distortion in Iron-Core Transformers. R. H. Eastop and T. Williams. Apr., 18. Equalizer, Continuously Variable, Wentworth D. Fling. Mar., 16. Equivalent Circuits to Simplify Feedback Design, Richard S. Burwen. Oct., 11. Exhibits Audio Fair Review. Dec., 24. I.R.E. Show Review. May, 19. Feedback Expressions for the Reduction of Distortion and Output Impedance in Terms of db of Feedback, William J Kessler and Sydney E. Smith. Oct., 13. Positive Feedback for A-F Curve Shaping, L. P. Haner. I, Feb., 16; II, Mar., 15. Loudspeaker Damping by the Use of Inverse Feedback, J. P. Wentworth. Dec., 21. Filters Effective Frequency Rejection Circuit, R. B. Nevin. Feb., 20. Filter Design Simplified, Berthold Sheffield. I, Mar., 13; II, May, 26. Scratch Filter with Continuously Variable Cut-off Point, Charles J. Levin. Nov., 6. Intermodulation Intermodulation Testing, Pierce J. Aubry. Dec., 22. New Method of Measuring and Analyzing Intermodulation, C. J. LeBel. July, 18. Loudspeakers Design Data for a Bass-Reflex Cabinet,

J. A. Youngmark. Sept., 18. Design Elements for Improved Bass Response in Loudspeaker Systems, Howard T. Souther. May, 16. Direct-Radiator Loudspeaker Enclosures, Harry F. Olson. Nov., 34. Distributed Source Horn, Bob Hugh Smith. Jan., 16. Efficiency of Direct-Radiator Loudspeakers, Vincent Salmon. Aug., 13. Exponential Baffles for Custom Installations, George Augspurger. Nov., 24. How Far Can I Mismatch? Saul J. White. Jan., 15. Loudspeaker Damping, Albert Preisman. I, Mar., 22; II, Apr., 24. Loudspeaker Damping by the Use of Inverse Feedback, J. P. Wentworth. Dec., 21. Loudspeaker Enclosures, Daniel J. Plach and Philip B. Williams. July, 12. More About Mismatching, Robert M. Mitchell. Oct., 16. New Approach to Loudspeaker Damping, Warner Clements. Aug., 20. R-J Speaker Enclosure, Frank Robbins and William Joseph. Dec., 17. Measurements Intermodulation Testing, Pierce J. Aubry. Dec., 22. New Method of Measuring and Analyzing Intermodulation, C. J. LeBel. July, 18. Square-Wave Testing Simplified, Harold E. Bryan. Oct, 14. Microphones Home-Made Parabolic Microphone, George H. Floyd. Feb., 13. Networks, Constant-Resistance Dividing, Bob Hugh Smith. Aug., 18. Phase Inverter, Analysis of Split-Load, George Ellis Jones, Jr. Dec., 16. Phonograph Records AES Standard Playback Curve. Jan., 22. Technique of Record Processing, Lewis S. Goodfriend. Oct., 21. Phonograph Reproduction AES Standard Playback Curve. Jan., 22. Effective Frequency Rejection Circuit, R. B. Nevin. Feb., 20. New Broadcast Lightweight Pickup and Tone Arm, L. J. Anderson and C. R. Johnson. Mar., 18. New Danish Playback Machine, Svend Anker-Rasmussen. Sept., 40. Phono Facts, Maximilian Wiel. June, 20. Preamplifiers D.C. Heater Supply for Low-level Amplifiers, L. B. Hedge. June, 13. 15-Watt Direct-Coupled Amplifier, William B. Fraser. Apr., 15. Mixer and Preamplifier for the Recording Enthusiast, G. H. Floyd. July, 16. Simple Preamplifier and Tone-Control Unit, David H. O'Brien. Nov., 20. Psychoacoustics Effect of Sound Intensity Level on Judgment of "Tonal Range" and "Volume Level," Stephen E. Stuntz. June, 17. Listening Room Design, Vern Yeich. Nov., 28. The Measurement of Audio Volume, Howard A. Chinn. I, Sept., 26; II, Oct., 24. Music and Mass Production, Jerome Goodman. Sept., 23. Toward a More Realistic Audio, Ross H. Snyder. Aug., 24. Radio Receivers Brief Review of Diode Detectors, Rudolph

AUDIO ENGINEERING

•

DECEMBER, 1951

L. Kuehn. June, 11. Characteristics of AM Detectors, W. E. Babcock. July, 9. Receiver Bandwidth and its Measurement, Howard T. Sterling and Alan Sobel. Jan., 18. Recording, Disc Acoustical Balance in Recording, Eddison von Ottenfeld. Aug., 23. AES Standard Playback Curve. Jan., 22. Continuously Variable Equalizer, Wentworth D. Fling. Mar., 16. Recording, Magnetic Acoustical Balance in Recording, Eddison von Ottenfeld. Aug., 23.

AUDIO ENGINEERING

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Continuously Variable Equalizer, Wentworth D. Fling. Mar., 16. The Interview Amplifier, C. G. McProud, Dec., 13. Meet the Cinecruiser. Oct., 18. New Professional Tape Recorder, W. E. Stewart. Apr., 21. Tape Recorder Remote Control, Raymond Lucia. Nov., 76. Tape Editing and Duplicating Machine, Robert P. Ledbetter. Dec., 18. Systems How Far Can I Mismatch? Saul J. White. Jan., 15. Industrial Survival Sound Systems, H. S.

DECEMBER, 1951

Morris. May, 24. New Danish Playback Machine, Svend Anker-Rasmussen. Sept., 40. Survey of European Sound Apparatus, John K. Hilliard. Aug., 32, Television Studio Acoustics, M. Rettinger. Apr., 13. Test Equipment Versatile Amplifier from Junk-Box Parts, Curtiss R. Schafer. June, 22. Transformers, Harmonic Distortion in Iron-Core, R. H. Eastop and T. Williams. Apr., 18. Ultrasonics in the Loran Trainer, P h i l i p D. Stahl I, May, 13; II. June, 14.

55

SUBJECT INDEX AES Convention Program, Oct., 58. AES Papers Magnetic Audio Amplifier Fundamentals, A. M. Vincent. Sept., 42. No Coded Signals, H. S. Morris. Oct., 40, The Problems of Low-Frequency Reproduction, Saul J. White. Apr., 20. Wide-Angle Dispersion of High-Frequency Sound, Abraham B. Cohen. Dec., 24. Amplifiers Commercial O-T-L Amplifier of Unique Design, Prank II. Gilbert. Aug., 46. Gilding the Lily, David Sarser and Melviu C. Sprinkle. July, 13. Integrated Line of Hi-Fi Equipment. Frank H. Slaymaker. July, 26. The Maestro—a POWER Amplifier, David Sarser and Melvin C. Sprinkle. Nov., 19. Magnetic Audio Amplifier Fundamentals, (AES Paper), A. M. Vincent. Sept., 42. Neutralizing Hum and Regeneration. Arthur L. Hammond. May, 22. New Medium Cost Amplifier of Unusual Performance, C. Leon.-ml Werner and Henry Berlin. Nov., 30. New Newcomb Line Features New Features, Aug., 40. The Output-Transformer-Less Amplifier. Victor Brociner and Gerald Shirley. June, 21. Speech Clipper Aids Station Performance, R. S. Houston. Nov., 50. Ultra-Linear Operation of a Williamson Amplifier. David Hafler and Herbert I. Keroes. June, 26. Universal Amplifier for Magnetic Tape Recorder, C. G. McProud. I. May, 17; II. June, 24; III, July. 22. Williamson-Type Amplifier Up-To-Date, M. V. Kiebert. Jr. Aug., 18. Amplifiers, PrePreamplifier for Critical Listening. M. V. Kiebert, Jr. Sept., 21. Two Preamplifiers for Magnetic Pickups. George Ellis Jones, Jr. Jan., 24. Audio Fair, The Exhibitor Directory. Nov., 54. The Audio Fair in Review. Dec., 26. The Audio Fair in Chicago. July, 24. Preview of 1952 Audio Fair. Oct., 58. Audio Techniques Broadcast Short-Cuts, R. S. Houston. Apr., 34. Improved Cathode Bias Circuit Affording Fixed Bias, John A. Mulvey. Mar., 63. Book Reviews Electrical Measurements, Forest K. Harris. May, 44. Handbook of Engineering Fundamentals, Edit. by Ovid W. Eshbach. Dec., 59. Make Music Live, Irving Greene, James R. Radcliffe, Robert Scharff. Feb., 39. Musical Engineering. Harry F. Olson. Aug., 9, Pianos, Pianists, and Sonics. G. A. Briggs. Apr., 8. Radio and Television Receiver Circuitry and Operation, A. A. Chirardi and J. Richard Johnson. Apr., 8. The Recording and Reproduction of Sound, Oliver B. Read. May, 45. Television Engineering. Donald Fink, Oct., 17. Television Explained. W. F. Miller. Oct., 17. Television Principles, Robert B. Dome. Oct., 17. Time Bases, O. S. Puckle. May, 45. Ultrasonics, P. Vigoureux. Sept., 68. Vacuum-Tube Voltmeters. John F. Rider and Alfred W. Barber. Sept., 68. Broadcasting Broadcast Audio Wiring Practices, W. Earl Stewart. Aug., 16. Broadcast Short-Cuts, R. S. Houston. Apr., 34.

62

Planning and Building a Radio Studio, Engene F. Coriell. I. June, 15; II, July, 19; III, Aug., 22; IV, Sept., 30; V, Oct., 30. Speech Clipper Aids Station Performance, R. S. Houston. Nov., 50. A Twin-Channel Utility Amplifier, R. S. Houston., Apr., 17. Binaural Sound Stereophonic Reproduction, James Moir. Oct., 26. Cabinets and Enclosures Cabinet Design for Hi-Fi Systems, Jeff Markell. May, 26. A Corner-Mounting Infinite Baffle. M. V. Kiebert. Jr. Oct., 32. Design and Construction of Horn-Type Loudspeakers, Way lie B. Denny. I, Mar., 22; II, Apr., 18. Design for Clean Bass, Edward J. Gately, Jr. Oct., 29. Design for Smooth Response. Vern Vetch. Jan., 15. Horn-Loaded Bass Speaker, Earl R. Meissner and L. K. Andrews. Jan., 22. New Approach in Loudspeaker Enclosures, John E. Karlson. Sept., 26. Components How Good is an Audio Transformer, N. H. Crowhurst. Mar., 20. Measuring up an Audio Transformer, N. H. Crowhurst. Nov., 24. Some Pickup Design Considerations, P. G. A. H. Voigt. Oct., 64, Connsonata Organ Installation for the 1952 Presidential Nominating Conventions, Serge L. Krauss and Karl Kramer. Dec., 15. Controls Cathode-Follower Audio Control System, Gladden B. Houck. Nov., 32. The Design of Compensated Volume Controls, Emerick Toth. I. Jan., 13; II, Feb., 14, A Proposed Solution to the Loudness Control Problem, John R. Schjelderup. Sept., 34. Demonstration Techniques. Harrie K. Richardson. Oct., 84. Distortion, Intermodulation. Richard C. Hitchcock. Oct., 21. Dividing Networks, Discussion of. J. F. Wentworth. Dec., 17. Equalizers, Design Simplified. George O. Douglas. Dec., 18. Equipment Report Altec A-333-A and A-433-A. Apr., 32. Bell 2145A. Mar., 30. Heathkit Williamson-Type Amplifier. May, 28. Exhibits Audio Fair Exhibitor Directory. Nov., 54. Preview of 1952 Audio Fair. Oct., 58. The Audio Fair in Review. Dec., 26. The Audio Fair in Chicago. July. 24. The I.R.E. Show Review. Apr., 26. London Letter—British National Radio Exhibition, Leonard Carduner. Oct., 12. NARTB Conference and Exhibit. May, 30. WESCON Exhibitors. Aug., 26. Fantasy The Frudd Audio System, P. II. Frudd. Nov., 12. The Golden Ear. Don V. R. Drenner. Nov., 81. Feedback A Critical Feedback Analysis. Harold Klimpel. Oct., 23. It's Positive Feedback, Warner Clements. May, 20. Further Discussion on Positive Current Feedback. Ulric J. Childs. May, 21. Loudspeaker Damping with Dynamic Negative Feedback, Ulric J. Childs. Feb., 11. Filters. Record Improvement with H-F Cut-off; Elliott W. Markow. Nov., 27.

Handbook of Sound Reproduction, Edgar M. Vil'chur. I, June, 18; II, July, 15; III, Aug., 20; IV, Sept., 38; V, Oct., 36; VI, Nov., 40; VII, Dec., 20. Home Music Systems Audio in the Home, William C. Shrader. I. Jan., 18; II. Feb., 18; III, Mar., 47; IV, Apr., 24; V, June, 28; VI, July, 30; VII, Aug., 24. Be Your Own Custom-Builder, Jay Carver and Clif Howard. Mar., 24. Cathode Follower Audio Control System, Gladden B. Houck. Nov., 32, How to Use Magnetic Pickups, Ulric J. Childs. Mar., 35. Music's the Thing, Irving Greene and Melvin C. Sprinkle, Jan., 20. On a Budget, Jay Carver and Clif Howard. May, 24. Use Your Present Tuner, Ulric J. Childs. Apr., 29. Legal Problems Trade Secrets and Their Protection, A. W. Gray. Nov., 29. Loudness Controls A Proposed Solution to the Loudness Control Problem, John R. Schjelderup. Sept., 34. The Design of Compensated Volume Controls, Emerick Toth. I, Jan., 13; II, Feb., 14. Loudspeakers A Corner-Mounting Infinite Baftle, M. V. Kiebert, Jr. Oct., 32. Design Considerations of Duplex Loudspeakers, Alexis Badmieff. Sept., 28. Design and Construction of Horn-Type Loudspeakers, Wayne B. Denny. I, Mar., 22; II, Apr., 18. Design for Clean Bass, Edward J. Gately, Jr. Oct., 29. Design for Smooth Response, Vern Yeich. Jan., 15. Discussion of Dividing Networks, J. F. Wenlworth. Dec., 17. Horn-Loaded Bass Speaker, Earl R. Meissner and L. K. Andrews. Jan., 22. Integrated Line of Hi-Fi Equipment, Frank H. Slaymaker. July, 26. Loudspeaker Damping with Dynamic Negative Feedback, Ulric J. Childs. Feb., 11. New Approach in Loudspeaker Enclosures, John E. Karlson. Sept., 26. New I The Super Tweeter, Ralph P. Glover and Karl Kramer. Apr., 22. The Problems of Low-Frequency Reproduction (AES Paper). Saul J. White, Apr., 20. Speaker Treatment for Improved Bass. R. Cameron Barritt. Dec., 23. Wide-Angle Dispersion of H-F Sound (AES Paper), Abraham B. Cohen. Dec., 24. Measurements A Distortionless Oscillator, Dunford A. Kelly. Aug., 13, Intermodulation Distortion, Richard C. Hitch cock. Oct., 21. Linear-Scale A-F Wattmeter, C, G. McProud. Feb., 17. Theory and Construction of a Harmonic Distortion Meter. George Ellis Jones, Jr. Nov., 22. Microphone Technique — The Traveling Mike, N. H. Crowhurst. Feb., 16. Musical Instruments — The Violin. Albert Preisman. I. Sept., 24; II, Oct., 34; III. Nov., 36. Phonograph Records. The Best British of 19501951, H. A. Hartley. I, Mar., 28; II, Apr., 50. Phonograph Reproduction How to Use Magnetic Pickups, Ulric J. Childs. Mar., 35.

AUDIO ENGINEERING

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DECEMBER, 1952

Phono Facts—1952. Maximilian Weil. June, Recording, Magnetic 30. Azimuth Film Calibration, Michael Rettinger. Pickup Tracking Error, Edgar M. Villchur. Apr., 15. Mar., 17. Limitations of Magnetic Tape, William S. Record Improvement with H.F. Cut-Off FilLatham. Sept., 19. ters, Elliott W. Markow. Nov., 27. Some Pickup Design Considerations, P. C. Magnetic Tape in Southwest Monuments. T. A. H. Voigt, Oct., 64. B. Noble. Aug., 44. Two Preamplifiers for Magnetic Pickups, Tape Recorder Echo Effects, R. S. Houston. George Ellis Jones, Jr. Jan., 24. Oct., 52. Universal Amplifier for Magnetic Tape ReRadio Tuners corder, C. G. McProud. I, May, 17; II. Integrated Line of Hi-Fi Equipment. Frank June, 24; III, July, 22. H. Slaymaker. July, 26. Use Your Present Timer, Ulric J. Childs. Using Hearing Characteristics in Tape EditApr., 29. ing. Joel Tall. May, 15.

AUDIO ENGINEERING • DECEMBER, 1952

Sound Reproduction, Handbook of Edgar M. Villchur. I, June, 18; II, July, 15; III, Aug., 20; IV, Sept., 38; V, Oct., 36; VI. Nov., 40; VII, Dec., 20. Stereophonic Reproduction. James Moir, Oct., 26. Television — The Two Types of Theatre Video. John W. Sims. Jan., 16. Transformers How Good is an Audio Transformer, N. H. Crowhurst. Mar., 20. Measuring up an Audio Transformer, N. H. Crowhurst. Nov. 24. The Violin. Albert Preisman. I, Sept., 24; II, Oct., 34; III, Nov., 36.

63

SUBJECT INDEX Allied Radio Corp., New Home for. Oct., 31. Amplifiers Distortion in Voltage Amplifiers, W. B. Bernard. Feb., 28. Everyman's Amplifier, G. Leonard Werner & Henry Berlin. Oct., 40. Feedback from Output Transformer Primary, AUDIOLOGY. May, 14. Feedback from Output Transformer Secondary, AUDIOLOGY. July, 14. Hum Reduction in Amplifier Development, AUDIOLOGY. June, 14. Improvements on the Universal Tape Recorder Amplifier. G. G. McProud. Sept., 44. Moderately Priced Amplifier Introduces Loudness Control Selector, L. H. Bogen & Alfred M. Zuckerman. May, 31. Optimum Loading for Power Amplifiers, AUDIOLOGY. Aug., 12. Pass Band of a Transformer Coupled Amplifier, Joseph F. Sodaro. June, 24. Precision Phase Splitting, AUDIOLOGY. Nov., 12. R-C Coupled Amplifier Charts, AUDIOLOGY. Oct., 12. Simplified Push-Pull Theory. Julius Postal. I, May, 19; II, June, 21. Stability Testing of Feedback Amplifiers, AUDIOLOGY. Sept., 14. Three-Channel Tone-Control Amplifier, Joseph F. Dundovic. Apr., 28. White Powrtron Amplifier, Stanley White. Nov., 32. Zero-Impedance Output Stage, R. G. Anthes. Jan., 21. Amplifiers, PreHigh-Fidelity Phonograph Preamplifier Design, R. H. Brown. Apr., 19. Amplifier Design Circle Diagrams for R-C Coupled Amplifiers, Olan E. Kruse. Feb., 22. Feedback—Degenerative and Regenerative, Rudolph L. Kuehn. Apr. 23. New Approach to Negative Feedback Design, N. H. Crowhurst. May, 26. ASCO Unveils Flexible Sound Display Room. Feb., 36. Audio for Leisure Hours. July, 25. Audio in the Year 1693, Allen H. Fry. Mar., 25. AE Goes to London and Paris. June, 38. Audio Fair, The Audio Fair—Los Angeles. Jan. 38. Audio Fair and AES Convention Reach New Heights. Nov., 29. Audio Fair Review. Dec., 28. Awards Audio Engineering Awards. May, 24. Review of the Audio Engineering Awards, June, 28. Book Reviews Applications of the Electronic Valve, by Dammers, Haantjes, Otte, and Van Suchtelen. Feb., 14. Basic Electronic Test Instruments, by Turner. Oct., 16. Circuit Theory of Electron Devices, by Boine. Dec., 6. Electrical Engineering—Theory and Practice, by Erickson and Bryant. Feb., 69.

AUDIO ENGINEERING

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Electrophysiological Technique, by Dickinson. June, 63. Fundamentals of Automatic Control Systems, by Farrington. Mar. 10. Fundamentals of Engineering Electronics, 2nd Ed., by Dow. Feb., 69. Photoelectric Tubes, by Sommer. Oct., 16. Radio Interference Suppression, by Stephens. Feb., 14. Radiotron Designers Handbook, 4th Ed., edited by Smith. Sept. 12. Sound Reproduction, 3rd Ed., by Briggs. June, 63. Thermionic Vacuum Tubes and Their Applications, by Aldous. Nov., 49. Broadcasting Auxiliary or Emergency Broadcast Control Room, Harold Reed. Mar., 26. Auxiliary Mixer for TV Studios, George A. Singer. Apr., 26. Binaural Radio Broadcasting, Harold T. Sherman. Jan., 14. Complete Remote Control of an Ampex 300, Richard F. Blinzler. Oct., 23. Simplified Program Switching Panel, Harold Reed. Feb., 25. Cabinets Tired Business Man's Radio Cabinet and Speaker, C, C. Fraser. Dec., 26. Vibration Reduction in Loudspeaker Enclosures, Gladden B. Houck. Dec., 24. Components Audio Transformer Design, N. H. Crowhurst. Feb., 26. Making the Best of an Audio Transformer, N. H. Crowhurst. Jan., 40. Output Transformer Design Considerations, AUDIOLOGY. Apr., 14. Construction Practice Bread-Pan Layout, L. B. Hedge. Aug., 24. Making a "Front End" Handsome, William H. Burke, Nov., 20. Controls, Tone Flexible Tone-Control Circuit, Basil T. Barber. Sept., 29. Selection of Tone-Control Parameters, Edgar M. Villchur. Mar., 22. Three-Channel Tone-Control Amplifier, Joseph F. Dundovic. Apr., 28. Three-Element Bass Control, Glen Southworth. Oct., 24. Controls, Volume Note on Volume Controls, Charles P. Bocgli. Apr., 40. Crossover Networks Basic Design of Constant Resistance Crossovers, N. H. Crowhurst. Oct. 21. Dictating Machine—A Specialized Recording System. Richard M. Somers. I, Aug., 22; II, Sept., 24. Electronic Music Organ for One-Finger Artists, Richard H. Dorf. Sept., 19. Equipment Reports Bogen R701 AM-FM Tuner, Sept., 42. Collaro Changer, Apr., 42. Concertone 1501-S Tape Recorder, July. 30.

DECEMBER, 1953

Leak TL-12 Amplifier, June, 42. Lorenz Speakers, Sept., 64. Newcomb Classic 25 Amplifier, Feb., 38. Pilotone AA-901 Amplifier and AF-821A Tuner, Mar., 44. Pilotuner, AF-824. Aug., 32. Rauland Model 1826 with the Libretto. Oct., 35. Sargent-Rayment SR-68 Tuner. July, 32. Sonocraft FM Tuner. Jan., 56. TapeMaster HF-500 Recorder. Oct., 34. UTC W-20 "Williamson" Kit. May, 42. Feedback Feedback and Loudspeaker Damping, John A. Mulvey. Apr., 34. Feedback—Degenerative and Regenerative, Rudolph L. Kuehn. Apr., 23. Feedback from Output Transformer Primary, AUDIOLOGY. May, 14. Feedback from Output Transformer Secondary, AUDIOLOGY. July, 14. New Approach to Negative Feedback Design, N. H. Crowhurst. May, 26. Stability Testing of Feedback Amplifiers, AUDIOLOGY. Sept. 14. Handbook of Sound Reproduction, Edgar M. Villchur. Chap. 8, Jan., 30; Chap. 9, Feb., 30; Chap. 10, Pt. 1, Mar., 32; Pt. 2, Apr., 29; Chap. 11, Pt. 1, May., 34; Pt. 2, June, 30; Chap. 12. Pt. 1, July, 26; Pt. 2, Aug., 26; Pt. 3, Sept. 36; Chap. 13; Oct., 42; Chap. 14, Nov., 25; Chap. 15, Pt. 1, Dec., 34. Hearing Aids Design Considerations, AUDIOLOGY. Dec., 12. Sonotone Transistorized Hearing Aid, Harry A. Pearson. Aug., 19. Hum Reduction in Amplifier Development, AUDIOLOGY. June, 14, Loudspeakers 75th Anniversary of First Dynamic Speaker, Murlan S. Corrington. Feb. 12. Basic Design of Constant-Resistance Crossovers. N. H. Crowhurst. Oct., 21. Coupled Loudspeakers, Charles W. Harrison, Jr. May, 21. Feedback and Loudspeaker Damping, John A. Mulvey. Apr., 34. Great Loudspeaker Mystery, H. A. Hartley. Jan., 33. Horn Enclosure for Custom Installations, Arnold J. Gassan. Sept., 22. Make Your Own Woofer, Gurtiss R. Schafer. Nov., 19. Practical Aspects of the R-J Speaker Enclosure, William Joseph & Frank Robbins. Jan., 19. Theatre Sound in a Small Package, Thomas R. Hughes. I, Feb., 19; II, Mar., 30; III, Apr., 24. Vibration Reduction in Loudspeaker Enclosures, Gladden B. Houck. Dec., 24. Measurements New Volume Visualizer, Norman Prisament. Sept., 30. Twin-Triple Resistance Decader and Bridge, L. B. Keim. Sept., 34. Wide-Range R-C Oscillator, Lewis S. Goodfriend. Feb., 21. Musical Instruments The Piano, Albert Preisman. I, Oct., 26; II, Nov., 22. Organ for One-Finger Artists, Richard H. Dorf. Sept., 19.

73

Patents "First Inventor" Under the 1952 Patent Law, Albert Woodruff Gray. Mar., 40. Patentable Features in Radio Inventions, Albert Woodruff Gray. June, 36. The Protection of Ideas, Albert Woodruff Gray. Jan., 36. Phase Splitters Precision Phase Splitting, AUDIOLOGY. Nov., 12. Phonograph Equipment Effect of Load Impedance on the Frequency Response of Magnetic Pickups, Norman C. Pickering. Mar., 19. Lateral Mechanical Impedance of Pickups, J. G. Woodward and J. B. Halter. I, June, 19; II, July, 23. New Wide-Range Phonograph Cartridge, John F. Wood, Dec., 22. Phonograph Records, The Best British, of 1952, H. A. Hartley. Apr., 44. Phonograph Reproduction The Columbia "360," Peter C. Goldmark. Mar., 28. Columbia "XD" Speaker System, Peter C. Goldmark. Oct., 36. Effect of Load Impedance on the Frequency Response of Magnetic Pickups, Norman C. Pickering. Mar., 19. High Fidelity Phonograph Preamplifier Design, R. H. Brown. Apr., 19. Photography Audio Photographers Check List, Eugene F. Coriell. Mar. 14. Power Supplies D. C. Pack for Heaters, and Bias, Allan M. Ferres. Sept., 33. Psychoacoustics Binaural or Stereophonic? R. J. Tinkham. Jan., 22.

74

Case for Music, John H. Thomson. Sept., 32. Great Loudspeaker Mystery, H. A. Hartley. Jan., 33. High Futility—An Essay on Scale Distortion, Joe L. Dickey. Apr., 21. Great Mystery of Dannemora Dungeon, Emory Cook. Oct., 50.

Binaural Public Address, Charles F. Adams. Feb. 24. Binaural Radio Broadcasting, Harold T. Sherman. Jan., 14. Great Mystery of Dannemora Dungeon, Emory Cook. Oct. 50. Two-Channel Conversion for AM-FM Receivers, C. G. McProud. Jan., 25.

Public Address Systems Binaural Public Address, Charles F. Adams. Feb., 24. Canadian House of Commons Sound Installation by Tannoy. Apr., 38.

System Design It Can Be Attractive, C. G. McProud. Nov., 30. Matched Line of Hi-Fi Sound Equipment, Harry F. Olson. Aug., 29. Simplified Program Switching Panel, Harold Reed. Feb., 25. Tools for Building Temples of Tone. Oct., 54.

Recording, Disc Automatic Disc Recorder, Curtiss R. Schafer. Dec., 21. Evolution of a Recording Characteristic, R. C. Moyer, July, 19. Flexible Single Recording and Dubbing Channel, Hal Magargle. Jan., 28. Recording, Magnetic Complete Remote Control of an Ampex 300, Richard F. Blinzler. Oct., 23. Correction of Frequency Response Variations Caused by Magnetic Head Wear, Kurt Singer & M. Rettinger. July, 29. Flexible Single Recording and Dubbing Channel, Hal Magargle. Jan., 28. Improvements on the Universal Tape Recorder Amplifier, C. G. McProud. Sept., 44. Magnetic Transfer of Stainless Steel Wire, Samuel Storchheim. Dec., 19. Multiple-Track Magnetic Heads, Kurt Singer & M. Rettinger. Aug., 34. Top Tape Recording Performance, Harold Reed. June, 26. Stereophonic Sound Binaural or Stereophonic? R. J. Tinkham. Jan., 22.

Tone Controls Flexible Tone-Control Circuit, Basil T. Barber. Sept., 29. Selection of Tone-Control Parameters, Edgar M. Villchur. Mar., 22. Three-Channel Tone-Control Amplifier, Joseph F. Dundovic. Apr., 28. Three-Element Bass Control, Glen Southworth. Oct., 24. Transformers Audio Transformer Design, N. H. Crowhurst. Feb., 26. Making the Best of an Audio Transformer, N. H. Crowhurst. Jan., 40. Output Transformer Design Considerations, AUDIOLOGY. Apr., 14. Tubes Power Tube Figure of Merit, Warren G. Bender. Mar., 21. Volume Controls, A Note on, Charles P. Boegli. Apr., 40.

AUDIO ENGINEERING

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DECEMBER, 1953

SUBJECT

Accurate design of phono equalizers; Charles F. Hempstead and Hamilton Barhydt. I, Aug, 22; II, Sept, 24. ACOUSTICS Sound diffusion in rooms; M. Rettinger. Aug, 19. Adventures with a bass reflex; Milton S. Snitzer. Jan, 26. Allen organ, The; Richard H. Dorf. July, 20. AMPLIFIERS Bandwidth; AUDIOLOGY, Feb, 12. Control unit for the Williamson, A; Charles R. Miller. Sept, 19. Dual-channel control amplifier for stereophonic systems; Wayne B. Denny. May, 17. Juke Box goes hi-fi, The; C. G. McProud. Dec, 33. Medium power tetrode amplifier with stabilized screen supply; Cullen H. Macpherson. Feb, 30. New Golden Ear amplifier; Joseph Marshall. I, Jan, 17; II, Feb, 22. Low distortion tone-control amplifier; W. B. Bernard. Aug, 17. New amplifier has bridge-circuit output; D. J. Tomcik and A. M. Wiggins, Nov, 17. Simple high-quality phono amplifier; R. D. Middlebrook. Aug, 20. Simplexing a standard amplifier; R. S. Houston. Nov, 36. Some experiments with miniature power tubes; Geoffrey H. Grey. Apr, 19. Transformerless 25-watt amplifier for conventional loudspeakers; D. P. Dickie, Jr. and A. Macovski. June, 22. Transient response of audio amplifiers; AUDIOLOGY. Mar, 10. Transistor phono preamp for magnetic pickups; Basil T. Barber. Oct, 38. Transistor remote amplifier, A; Paul Penfield, Jr. Sept, 26. Variable damping factor control; Charles A. Wilkins. Sept, 31. At Home with AUDIO, Lewis C. Stone. I, Apr, 28; II, May, 22; III, June, 24; IV, July, 28; V, Dec, 26. ATTENUATORS Chart of resistor values for L-pads, H. Peter Meisinger. Nov, 25. AUDIO AUDITIES, Saul J. White. I, May, 55; II, June, 27; III, July, 12; IV, Aug, 74. AUDIOLOGY, W. R. Ayres Amplifier bandwidth. Feb, 12. Feedback from output transformer tertiary. Jan. 10. Transient response of audio amplifiers, Mar, 10.

AUDIO

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DECEMBER, 1954

INDEX

Better audio specs needed; Nathan Grossman. Sept. 36. BOOK REVIEWS Data and Circuits of Modern Receiving and Amplifying Valves, Supplement 2; N. S. Markus and J. Otte. Feb, 14. Electronic Musical Instrument Manual, The; Alan Douglas. Aug, 78. Electronic Organs; Robert L. Eby. Feb, 65. Harmonics, Sidebands, and Transients in Communication Engineering; C. Louis Cuccia. Nov, 62. Low-Frequency Amplification; N. A. J. Voorhoeve. Mar, 58. Principles of Transistor Circuits; Richard F. Shea. Jan, 59. Radio Data Charts; R. T. Beatty. Mar, 58. Vacuum Tube Oscillators; William A. Edson. Feb, 14. BROADCASTING Broadcast consolette for the announcer; Leo F. Goeller, Jr. Jane, 19. Simplexing a standard amplifier; H. S. Houston. Nov, 36. Building your own hi-fi furniture; Irving Greene and James R. Radcliffe. I, May 24; II, June, 28; III, July, 32. Chart of resistor values for L-pads; H. Peter Meisinger. Nov, 25, Cinerama Awards. Nov, 34. Concrete Monster, The; James Ferguson. July, 17. Conductors and record buyers; Rudo S. Globus. Feb, 32. Control unit for the Williamson; Charles R. Miller. Sept. 19. Corner horn designed for the small room; Wayne B. Denny. Feb, 21. Damping of loudspeaker cabinet panels; M. Rettinger. Sept, 34. Damping factor control, Variable; Charles A. Wilkins. Sept, 31. De-emphasis networks in FM tuners; Herman Burstein. June, 21. Design of a continuously variable lowpass filter using feedback techniques; Basil T. Barber. Mar, 26. Design of a professional tape recorder; William F. Boylan and William E. Goldstandt. Jan, 20. Dual-channel control amplifier for stereophonic systems; Wayne B. Denny. May, 17. ELECTRONIC MUSICAL INSTRUMENTS Allan organ, The; Richard H. Dorf. July, 20. Employer's rights in employee's invention; Albert Woodruff Gray. Oct, 37.

EQUALIZERS Accurate design of phono equalizer; Charles F. Hempstead and Hamilton Barhydt. I, Aug, 22; II, Sept, 24. Simulated resonant circuits; Glen Southworth. Nov, 20. EQUIPMENT REPORTS Acoustical Quad II; May, 28. Ampex 600 tape recorder; July, 38. Ampex 620 amplifier-loudspeaker; Dec, 40. Bogen DB15G amplifier and R640 tuner; Aug, 59. Brociner UL-1 amplifier, A-100 preamplifier, CA-2 control unit; Nov, 42. Crestwood 401 tape recorder and 402 amplifier; Oct, 50. Fairchild 215 series phonograph pickups and 280 series pickup arms; Oct, 52. Fisher 50-F filter; May, 30. Freed-Eisemann P-717 receiver; May, 30. Garrard RC-90 record changer; June, 38. General Electric line, The; June, 34. Harman-Kardon A-100 AM-FM tuner; May, 30. Laboratory for Electronic Engineering loudspeaker; Oct, 54. Leak TL/10 amplifier; July, 34. Miracord XA-100 Magic-Wand record changer; Aug, 60. National Criterion AM-FM tuner, Horizon 20 amplifier, Horizon 5 preamplifier; Sept, 46. Pilot FM-607 Pilotuner; Mar, 32. Pilot AF-860 AM-FM tuner; Oct, 54. Pilot AA-903 amplifier; Mar, 32. Radio Craftsmen C-350 preamplifiercontrol unit; Dec, 39. Radio Craftsmen C-500 amplifier; Apr, 32. Radio Craftsmen C-800 tuner; Apr, 32. Rauland 1811 amplifier; Nov, 46. Ronette TO-284-P crystal cartridge; Dec, 42. Shure 333 cardioid microphone; Nov, 40. University "Companion" loudspeaker; July, 36. UTC linear standard amplifier, model MLF; June, 38. V-M tape recorder, model 700; Dec, 40. Wharfedale R-J speaker; Nov, 42. FANTASY AND FICTION Hi-Fi Manship at the Fair; Charles R. Sinclair. Oct, 29. From High Fidelity to Music; Zygmunt Hof. Sept, 30. Theory and practice of Hi-Fi-Manship; Charles R. Sinclair. May, 20.

65

FEEDBACK —— from output transformer tertiary; AUDIOLOGY. Jan. 10. —— channel separators; N. H. Crowhurst. Oct, 32. Design of a continuously variable lowpass filter using feedback techniques; Basil T. Barber. Mar, 26. FILTERS Design of a continuously variable lowpass filter using feedback techniques; Basil T. Barber. Mar, 26. FM TUNERS De-emphasis networks in ——; Herman Burstein. June, 21. Selecting and improving ——; Charles Erwin Cohn. Sept, 42. Frequency and transient response in audio equipment; Charles P. Boegli. Feb, 19. From high fidelity to music; Zygmunt Hof. Sept, 30. HANDBOOK OF SOUND REPRODUCTION, Edgar M. Villchur. Pickups and tone arms, Chap. 16; Feb, 33. Power Supply, Hum, Noise, Chap. 15, part 2; Jan, 27. System assembly, Chap. 17; Mar, 30. Testing and measurement, Chap. 18; Apr, 26. Hi-Fi-Manship at the Fair; Charles R. Sinclair. Oct, 29. Hi-Fi sets of yesteryear; Charles N. Faillier. Jr. Feb, 28. HOME MUSIC SYSTEMS At Home with AUDIO; Lewis C. Stone. I, Apr, 28; II, May, 22; III, June 24; IV, July 28; V, Dec, 26. Building your own hi-fi furniture. Irving Greene and James R. Radcliffe. I, May, 24; II, June, 28; III, July, 32. Phones for fidelity; Peter W. Tappan, Nov, 22. Place your music decoratively; Irving Greene. Feb, 24. Planning your home music installation; Irving Greene and James R. Radcliffe. I, Mar, 22; II, Apr, 22. Horn, The; Edward V. Ketcham, Jr. Dec, 23. Hum and Noise, Chap. 15, part 2, Handbook of Sound Reproduction; Edgar M. Villchur. Jan, 27. Improved phonograph compensation circuits; R. H. Brown. Nov, 28. Improving loudspeaker performance; David B. Weems. Sept, 22. INDUSTRIAL SYSTEMS Security sound system; Alan P. Chesney. July, 24. Inventions, Employers' rights in employees' ——; Albert Woodruff Gray, Oct, 37. Juke box goes hi-fi, The; C. G. McProud. Dec, 33. LOUDSPEAKERS Adventures with a bass reflex; Milton S. Snitzer. Jan, 26. Concrete monster, The; James Ferguson. July, 17. Chart of resistor values for L-pads; H. Peter Meisinger. Nov, 25.

66

Corner horn designed for the small room; Wayne B. Denny. Feb, 21. Damping of loudspeaker cabinet panels; M. Rettinger. Sept, 34. Horn, The; Edward V. Ketcham, Jr. Dec, 23. Improving loudspeaker performance; David B. Weems. Sept, 22. Juke box goes hi-fi, The; C. G. McProud. Dec, 33. Laboratory standard loudspeaker system; Daniel J. Plach and Philip B. Williams. Oct, 34. Loudspeakers and Enclosures (a section) ; Aug, 27. Nomograph for reflex loudspeaker enclosures; Joseph F. Sodaro. May, 31. My philosophy on the loudspeaker mystery; Leung Cho Yuk. Jan, 58. Revolutionary loudspeaker and enclosure; Edgar M. Villchur. Oct, 25, Low distortion tone-control amplifier; W. B. Bernard. Aug, 17. MEASUREMENTS Techniques of microphone calibration; Alexis Badmaieff. Dec, 30. Testing and measurement, Handbook of Sound Reproduction, Chap. 18; Edgar M. Villchur. Apr, 26. Transient and frequency response in audio equipment; Charles P. Boegli. Feb, 19. White sound testing; Richard C. Hitchcock, Oct, 41. Medium power tetrode amplifier with stabilized screen supply; Cullen H. McPherson. Feb, 30. Microphone, Techniques of —— calibration; Alexis Badmaieff. Dec, 30. Motor rumble reduction in wide-range phonographs; John R. Cater. Nov, 32. NETWORKS De-emphasis —— in FM tuners; Herman Burstein. June, 21. Feedback channel separators; N. H. Crowhurst. Oct, 32. New amplifier has bridge-circuit output; D. J. Tomcik and A. M. Wiggins. Nov, 17. New Golden Ear amplifier, The; Joseph Marshall. I, Jan, 17; II, Feb, 22. Nomograph for reflex loudspeaker enclosures; Joseph F. Sodaro. May, 31. Notes on "preamp with presence"; C. G. McProud. May, 52. Phones for fidelity; Peter W. Tappan. Nov, 22. PHONOGRAPH REPRODUCTION Accurate design of phono equalizers; Charles F. Hempstead and Hamilton Barhydt. I, Aug, 22; II, Sept, 24. Improved phonograph compensation circuits; R. H. Brown. Nov, 28. Motor rumble reduction in wide-range phonographs; John R. Cater. Nov, 32. Pickup loading and its effect on frequency response; W. A. FitzMaurice and W. Joseph. July, 19. Pickups and tone arms, Handbook of Sound Reproduction, Chap, 16; Edgar M. Villchur. Feb, 33. Transistor phono preamp for magnetic pickups; Basil T. Barber. Oct, 38. Place your music decoratively; Irving Greene. Feb, 24.

Planning your home music installation; Irving Greene and James R. Radcliffe. I, Mar, 22; II, Apr, 22. Power Supply, hum, noise, Handbook of Sound Reproduction, Chap. 15, part 2; Edgar M. Villchur. Jan, 27. PREAMPLIFIERS New Golden Ear amplifier; Joseph Marshall. Feb, 22. Preamp with presence; C. G. McProud. Jan, 23. Notes on the "preamp with presence"; C. G. McProud. May, 52. Transistor phono preamp for magnetic pickups; Basil T. Barber. Oct, 38. RECORDING, MAGNETIC Problems involved in magnetic tape recording; Norman E. Gibbs. Mar, 19. Design of a professional tape recorder; William F. Boylan and William E. Goldstandt. Jan, 20. RECORDS Conductors and record buyers; Rudo S. Globus. Feb, 32. Record revolution and music, The; Rudo S. Globus. Mar, 29. Right ear for music, The; Rudo S. Globus. Apr, 25. Security sound system; Alan P. Chesney. July, 24. Selecting and improving FM receivers; Charles Erwin Cohn. Sept, 42. Simple high-quality phono amplifier, A; R. D. Middlebrook. Aug, 20. Simplexing a standard amplifier; R. S. Houston. Nov, 36. Simulated resonant circuits; Glen Southworth. Nov, 20. Some experiments with miniature power tubes; Geoffrey H. Grey. Apr, 19. Sound diffusion in rooms; M. Rettinger. Aug, 19. STEREOPHONIC REPRODUCTION Dual-channel control amplifier for ——; Wayne B. Denny. May, 17. Stereophonic listener tests; James Cunningham and Robert Oakes Jordan. Aug, 56. Stereophonic nomenclature; N. M. Haynes. Jan, 19. Stereophonic reproduction; R. Vermeulen. Apr, 21. System assembly, Handbook of Sound Reproduction, Chap. 17; Edgar M. Villchur. May, 30. Techniques of microphone calibration; Alexis Badmaieff. Dec, 30. Theory and practice of Hi-Fi-Manship, The; Charles R. Sinclair. May, 20. Transformerless 25-watt amplifier for conventional loudspeakers; D. P. Dickie, Jr. and A. Macovski. June, 22. TRANSIENT RESPONSE Transient and frequency response in audio equipment; Charles P. Boegli. Feb, 19. —— of audio amplifiers; AUDIOLOGY. Mar, 10. TRANSISTORS Transistor phono preamp for magnetic pickups; Basil T. Barber. Oct, 38. Transistor remote amplifier, A; Paul Penfield, Jr. Sept, 26. Variable damping factor control; Charles A. Wilkins. Sept, 31. White sound testing; Richard C. Hitchcock. Oct, 41.

AUDIO

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DECEMBER, 1954

SUBJECT INDEX 1955 AMPLIFIERS —, Edgar M. Villchur. Apr. 34. Amplifiers and Preamplifiers, a 40-page section, C. G. McProud, Jan. 33. Amplifier uses cheap output transformer; Nathan Grossman and William Hellman, Aug. 11. Back to class B for home use; Joel Julie. Mar. 19. Effect of cathode capacitor on push-pull output stage; Robert M. Mitchell. Nov 21. High-gain transistor amplifier; James J. Davidson. Oct. 66. High-power low-distortion amplifier; Bruce DePalma. June 15. New amplifier-speaker system; Curtiss R. Sehaefer. July 13. Novel tape recording amplifier; Arieh F. Fischmann. June 24. Point-contact transistor audio amplifiers; Richard F. Schwartz. July 22. Quality amplifier for the home, Albert Preisman. May 15. Small 10-watt package of high quality, Harold Reed. Apr. 26. Sound system for multiuse auditorium, Thomas R. Hughes. Dec. 17. What's all this about damping? Norman H. Crowhurst. Sept. 17. AT HOME WITH AUDIO, Lewis C. Stone. Mar. 26; June 18; Oct. 28; Dec. 18. AUDIO CLINIC, Joseph Giovanelli. Nov. 32; Dec. 34. AUDIO SHOWS Alta Fidelidad in Mexico, Otto MayerSerra. Nov. 26. Japan goes Hi-Fi, Warren Birkenhead. Feb. 22. Mexico's Hi-Fi Fair, Leonard Carduner. Dec. 23. Audio Society, Poughkeepsie; Charles R. Doty. Feb. 24. AUDIO TECHNIQUES; R. S. Houston. Feb. 27. Briggs concert, Technical aspects of the; P. J. Walker. Nov. 30. BROADCASTING Audio Techniques; R. S. Houston. Feb. 27. Care of jacks and patch cords; Eugene F. Coriell. Aug. 20. Simple design for station-built console; C. M. Edmonds. Apr. 21. Uses and abuses of the VU meter; Oliver Berliner. Nov. 34. CALCULATIONS Frequency response circle diagrams; Olan E. Kruse. Mar. 33. New approach to electrical resonance; N. H. Crowhurst. Feb. 28. Scaling—an aid in circuit analysis; Edgar D. Morgan. Feb. 26. Unique relationships; Norman H. Crowhurst. Oct. 62. ELECTRONIC ORGANS The new Minshall organ; Richard H. Dorf. Sept. 25. The Schober electronic organ ; Richard H. Dorf. Dec. ENCLOSURES, Loudspeaker Constant-width folded exponential horn (The CW horn) ; D. P. Carlton. Nov. 17. "Patrician" gets a home workout; Cullen H. Macpherson and Roy C. Carlson. Oct. 37. Tuned-pipe enclosure for bass enhancement; Raymond H. Bates. May. 18. EQUIPMENT REPORTS Acoustic Research AR-1 speaker; Oct. 74. Bard Orthosonic pickup arm; Dec. 40. B-J phono arm; Apr. 46; May 59. Browning L-300 tuner; May 34.

66

Collaro transcription turntable; Nov. 46. Craftsmen Solitaire a m p l i f i e r ; May 31. Crestwood 304 tape recorder; June 60; Sept. 38. Dual record player; June 60. Electro-Sonic Laboratories pickups; Dec. 38. Electro-Voice 666 microphone; May 58. General Electric A1-901 record filter; Apr. 48. Harman-Kardon "Festival" tuner-amplifier; Jan. 61. Harman-Kardon "Trend" amplifier; Oct. 74. Kingdom-Lorenz speaker line; Nov. 46. Mclntosh MC-30 amplifier, C-8 preamp ; Apr. 44. National "Criterion" tuner; Oct. 74. Panasonic 8-in. speaker; Dec. 40. Pentron CT-1 tape recorder; Mar. 40. Pilotone AA-420 amplifier; Feb. 32. Pilotrol PA-913 control unit; June 60. Presto Pirouette turntable; Dec. 36. Radio Shack "Realist" tuners and amplifier; Feb. 36. Rauland HF-155 and TV tuners; Nov. 46. Rek-O-Kut turntable line; Mar. 38. REL "Precedent" tuner; July 87. Rex-A record changer; May 36. Sargent Rayment 808 tuner; Feb. 34. H. H. Scott 710A turntable; Oct. 74. Sherwood S-1000 amplifier; Nov. 50. TechMaster preamplifier; Mar. 36. Triad amplifier kits; Sept. 38. Fletcher-Munson again; Norman H. Crowhurst. Nov. 28. Frequency response circle diagrams; Olan E. Kruse. Mar. 33. FANTASY Audio and the dragon pup; Eleanor Edwards. May 26. Languad expert looks at Hi Fi; George L. Augspurger. Aug. 18. Feedback, Negative; Edgar M. Villchur. June 22 Hi-Fi Standards; Edgar M. Villchur. Nov. 40. HEARING The acoustic earset—a new approach to conference applications; D. D. Jones. Oct. 43. Artificial ear for measurement of headset response; Chandler Stewart. May 28. How do we hear? Charles E. White. Sept. 20. INDUSTRY Record dealer views the stylus problem; Sam Goody. Oct. 32. Sound engineer at work; William H. Johnson. July 24. Success found in "sound" principles; Bert Ennis. Jan. 18.

LAW How long is "permanent" employment? Albert W. Gray. Dec. 22. Necessary featurers for design patent; Albert W. Gray. Sept. 36. Patent law changes in the 1952 statute; Albert W. Gray. May 27. Validity of sound truck restrictions; Albert W. Gray. Aug. 17. LOUDSPEAKERS Commercial acoustic suspension speaker; Edgar M. Villchur. July 18. CW-horn—constant width folded exponential horn; D. P. Carlton. Nov. 17. Design of Biflex loudspeakers; Alexis Badmaieff Nov. 24. Electrostatic loudspeaker; Lloyd J. Bobb and Edwin C. Gulick. Sept. 22. New amplifier-speaker system; Curtiss R. Schaefer. July 13. "Patrician" gets a home workout; Cullen H. Macpherson and Roy C. Carlson. Oct. 37. Selecting a loudspeaker; Charles T. Morrow. May 24.

Tuned-pipe enclosure for bass enhancement; Raymond H. Bates. May 18. Jacks and patch cords, Care o f ; Eugene F. Coriell. Aug. 20. MEASUREMENTS Artifical ear for measurement of headset response; Chandler Stewart. May 28. Effect of cathode capacitor on push-pull output stage. Robert M. Mitchell. Nov. 21. Make your own meter scales; Ronald L. Ives. Apr. 30. Uses and abuses of the VU meter; Oliver Berliner. Nov. 34. M.I.T. Audio Network, The; David L. Klepper. Jan. 16. Nature of Sound, The; Chap. 1 of "Sound." Edgar Villchur. Sept. 30. Negative feedback; Edgar M. Villchur. June 22. New Approach to electrical resonance; Norman H. Crowhurst. Feb. 28. Novel tape recording amplifier; Arieh F. Fischmann. June 24. Patch cords, care of jacks and; Eugene F. Coriell. Aug. 20. Patents, Necessary features for design; Albert W. Gray. Sept. 36. Patent law changes in the 1952 statute; Albert W. Gray. May 27. PHONOGRAPH EQUIPMENT, a 32-page section ; C. G. McProud. June 28. Adapting a record changer to h i - f i ; Adolphe F. Sterken. July 21. Around-the-World portable; Arnold J. Gassen. Apr. 17. Evaluation of high-fidelity phono pickups; John M. Salani. March 25. Highway Hi Fi; Peter C. Goldmark. Dec. 15. Poughkeepsie Audio Society; Charles R. Doty. Feb. 24. PREAMPLIFIERS Amplifiers and Preamplifiers, a 40-page section; C. G. McProud. Jan. 23. Cascode preamp improves signal-to-noise ratio; M. V. Kiebert, Jr. Oct. 23. Miniaturized "Preamp with Presence"; C. G. McProud. May 20. New approach to miniature preamplifier design; Arthur J. Rose. Feb. 20. Three-channel preamplifier-mixer, Harold Reed. Jan. 15. Record dealer views the stylus problem; Sam Goody. Oct. 32. Remote air-monitor speaker; Audio Techniques. Feb. 27. Remote unattended; Audio Techniques. Feb. 27. Scaling—an aid in circuit analysis; Edgar D. Morgan. Feb. 26. Soldering tips for hobbyists; Leonard Carduner. Aug. 13. SOUND, Chap. 1, The nature of sound. Edgar M. Villchur. Sept. 30. Chap. 2, Hi-Fi standards; Nov. 40. Chap. 3, The sound reproducing system. Dec. 24. Sound conditioning; Audio Techniques. Feb. 27. Sound engineer at work; William H. Johnson. July 24. Sound truck restrictions, Validity o f ; Albert W. Gray. Aug. 17. Stereophonics, Experiences in; Paul W. Klipsch. July 16. Success found in "sound" principles; Bert Ennis. Jan. 18. PUBLIC ADDRESS Sound system for multiuse auditorium; Thomas R. Hughes. Feb. 17. Stereo sound system covers Hollywood Bowl; Oliver Berliner. Aug. 14.

AUDIO

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DECEMBER, 1955

SYSTEMS Acoustic earset—new approach to conference applications; D. D. Jones. Oct. 43. Building simplicity into the hi-fi system; Ross H. Snyder. Oct. 49. M. I. T. audio network; David L. Klepper. Jan. 16. Simple design for station-built console; C. M. Edmonds. Apr. 21. Sound system for multiuse auditorium; Thomas R. Hughes, Feb. 17.

AUDIO

•

DECEMBER, 1955

Stereo sound system covers Hollywood Bowl; Oliver Berliner. Aug. 14. Technical aspects of the Briggs Concert; P. J. Walker. Nov. 30.

TRANSISTORS High-gain transistor amplifier; James J. Davidson. Oct. 66. Point contact transistor audio amplifiers; Richard F. Schwartz. July 22.

TUNERS "Good Music" tuner for fringe areas; Basil C. Barbee. Mar. 22. Tuners—AM, FM, and AM-FM: a 16-page section. C. p. McPround. Aug. 23. Unique relationships; Norman H. Crowhurst. Oct. 62. Universal mike input system; Audio Techniques, Feb. 27. Uses and abuses of the VU meter; Oliver Berliner. Nov. 34. Validity of sound truck restrictions; Albert W. Gray. Aug. 17.

67

SUBJECT INDEX 1956

AMPLIFIERS Conference amplifier for the hard-of-hearing business executive; Robert M. Mitchell. Nov. 46. Audio design chart—amplifier or loudspeaker impedance. Nov. 22. Experiment III — the Beta-Tron; Stan While. May 28. Interaction concept in feedback design; Norman H. Crowburst. Oct. 38; Nov. 32. Preamplifiers and amplifiers—Sound, Chap. 6; Edgar M. Villchur. Mar. 36. Amplifiers, power—Sound, Chap. 8; Edgar M. Villchur. Apr. 49. stabilizing transistor amplifiers; Richard 11. Small. Dec. 47. AMPLIFIERS, PRECompensation Tor a m p l i t u d e responsive phono pickups; R. 11. Brown. Nov. 26. High-quality dual-channel amplifier; Charles W. Harrison. Jan. 13. Preamplifiers and amplifiers—Round. Chap. 6; Edgar M. Villchur. Mar. 36. Transistor preamps; H. F. Starke. Apr. 31. AT HOME WITH AUDIO, Lewis C. Stone Mar. 20; May 24; June 24. ATTENUATORS Care of audio attenuators; Eugene F. Coriell. May 44. BRIGGS CONCERT—1956; C. G. McProud. Nov. 54. BROADCASTING STUDIOS A sound effects console for UN studios; D. D. Jones. Sept. 26. Special audio console meets WSB-TV needs; Bert Enuls. Sept. 24. COMMERCIAL SUPPRESSOR, Time delay; Ronald L. Ives. Nov. 24. CROSSOVER NETWORKS A survey of crossover networks; Richard C. Hitchcock. Nov. 28. Interference effects with loudspeaker crossover networks; Charles I. Boegli. Nov. 15. DESIGN CHART Amplifier or loudspeaker impedance. Nov. 22. DISTORTION In tape recording; Herman Burstein and Henry Pollak. Oct. 30. ENCLOSURES A folded horn design; Richard A. Greiner. Dec. 40. A semicircular exponential h o r n ; Reuben M. Cares. Oct. 26. Baltics unbaffled; Edward J. Jordan. Aug. 15; Sept. 34. Concrete for loudspeaker enclosures; Phil J. Walusek. Dec. 25. Ported loudspeaker cabinets; James Moir. Oct. 23. Report on friction loading; C. G. McProud. June 38; July 26. Semi-solid corner enclosure; H. P. Foerster. Dec. 39.

86

Speaker enclosures—Sound. Chap. 10; Edgar M. Villchur. June 34; Aug. 22. EQUALIZATION Compression and dialog equalization in motion picture sound recording; Edward P. Ancona. June 17. FEEDBACK Feedback tone-control circuit; Hamilton Barhydt. Aug. 18. Internet ion concept in feedback design; Norman H. Crowhurst Oct. 38; Nov. 32. Simplitronics — Feedback ; Harold Reed. Apr. 29. FILTERS Graphical solution of electrical filters; L. U. Hamvas. Dec. 22. HIGH FIDELITY SYSTEM A professional Hi-Fi home music system; Oliver Berliner. Apr. 23. HUM Design considerations for hum reduction; Oliver Berliner. Nov. 38.

LAW Contracts against competitive employment; Albert W. Gray. Oct. 44. Features of patent-licensing agreements; Albert W. Gray. Dec. 48. How long is "permanent" employment? Albert W. Gray. Jan. 26. LOBS of patent by delayed application. Albert W. Gray. Nov. 23.

MUSIC An experiment in true-fidelity organ reproduction; Julian D. Hirsch. Apr. 26. Artistic integrity of the record; Otto MeyerSerra. Mar. 20. MUSICAL INSTRUMENTS The Conn electronic organ; Richard H. Dorf. Sept. 28; Oct. 48. The Schober electronic organ; Richard H. Dorf. Jan. 20; Feb. 23. PHONOGRAPH EQUIPMENT A new turntable design; Rubin Carlson. Feb. 20. PHONOGRAPH PICKUPS Compensation for amplitude responsive phono pickups; R. H. Brown. Nov. 26. Pickups, tone anna, and needles—Round, Chap. 5; Edgar M. Villchur. Feb. 40. Compensation for amplitude responsive phono pickups; R. H. Brown. Nov. 26. PHONOGRAPH RECORDS Artistic integrity of the record; Otto MeyerSerra. Mar. 20. Record speed and playing time; Charles P. Boegli. Sept. 19. PSYCHOACOUSTICS An experiment in true-fidelity organ reprod u c t i o n ; Julian D. Hirsch. Apr. 26. How loud is silence? Charles E. White. Mar. 17. Noise—enemy of normal hearing; Charles E. White. Nov. 18. Room environment—Sound, Chap. 12; Edgar M. Villchur. July 22.

LISTENING ROOMS Sound—Room environment; Edgar M. Villchur. July 22.

RECORDING, Disc Disc recording—Sound. Chap. 4; Edgar M. Villchur. Jan. 17.

LOUDSPEAKERS A semicircular exponential horn; Reuben M. Cares. Oct. 26. Audio design chart; Amplifier or loadspeaker impedance. Nov. 22. Battles unbaffled; Edward J. Jordan. Aug. 15; Sept. 34. Diffaxial speaker; Abraham B. Cohen. June 20. Experiment III—the Beta-Tron; Stan White. May 28. Future of loudspeaker design; Norman II. Crowhurst. Dec. 19. Improved circuit for electrostatic tweeters; Charles E. Colin. Oct. 36. Interference effects w i t h loudspeaker crossover networks; Charles P. Boegli. Nov. 15. Ported loudspeaker cabinets; James Moir. Oct. 23. Report on friction loading; C. G. McProud, June 38; July 26. Sound—Loudspeakers; Edgar M. Villchur. May 46. What makes a woofer? Saul J. White. May 30.

RECORDERS, Tape Tape recorder section; C. G. McProud. Feb. 27.

MICROPHONES Stereophonic microphone placement; James Cunningham and Robert O. Jordan. Nov. 43.

RECORDING, Equalization Compression and dialog equalization in motion picture sound recording; Edward P. Ancona. June 17. RECORDING, Tape Distortion in tape recording; Herman Burstein and Henry C. Pollak. Oct. 30. Multiple tape copying; R. E. Baird. Dec. 36. STEREOPHONIC Stereophonic microphone placement; James Cunningham and Robert O. Jordan. Nov. 43. SYSTEMS A professional H i - F I home music system; Oliver Berliner. Apr. 23. College music room design; Merle Fleming and Elliott D. Full. Dec. 28. TONE CONTROLS A versatile bass-treble tone control; Charles T. Morrow. Sept. 17. Feedback tone-control circuit; Hamilton Barhydt. Aug. 18.

AUDIO

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DECEMBER, 1956

TRANSFORMERS

Audio transformers can be good; Norman H. Crowhurst. May 22. Input transformer design; Norman H. Crowhurst. June 27; July 17. Output transformer design; Norman H. Cruwhurst. Sept. 20. Transformer design considerations for zero impedance stages; N. R. Grossner. Mar. 27.

AUDIO

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DECEMBER, 1956

TRANSISTORS Simplitronics—Understanding the r's in transistors; Harold Reed. Aug. 21. Stabilizing transistor amplifiers; Richard H. Small. Dec. 47. Transistor notion; Paul Penfield. Oct. 15. Transistorized AM tuner conversion; Edwin Bohr. July 15. Transistor bias Stabilisation; Paul Penfield. May 34; July 20.

Transistor preamps; H. F. Starke. Apr. 31. Transistor tips and techniques; Paul Penfield. Feb. 17. TUNERS Increasing sensitivity and lowering distortion in FM tuners; Joseph Marshall. Dec. 30. Transistorized AM tuner conversion; Edwin Bohr. July 15.

87

1957 ACOUSTICS Auditorium acoustics and control facilities for reproduction in auditory perspective; E. H. Bedell, Sept. 24. AMPLIFIERS Care and treatment of feedback audio amplifiers; W. B. Bernard. Jan. 30. Electrical adjustment in fitting a new output transformer; Norman H. Crowhurst. Apr. 19. High-quality treble amplifier; Charles W. Harrison Jr. Aug. 15. High-quality tape recorder amplifier; Herman Burstein and Henry C. Pollak. I Jan. 15; II Feb. 32. How an output transformer causes distortion ; Norman H. Crowhurst. I Feb. 20; II Mar. 21. Impedance and feedback in audio circuits; Herman Burstein and Henry C. Pollak. Dec. 26. Low-noise transistor microphone amplifier; James T. Davidson. Oct. 28. Output transformer specifications; Norman H. Crowhurst. June 20. Sad case of a haIf-watt resistor; Walther Richter. Dec. 36. Single-channel transistorized remote amplifier; John K. Birch. May 36. Stereophonic magnetic recording amplifier; Arthur W. Wayne. Oct. 21; Nov. 38. Stereo-monaural companion amplifier for the "Preamp with Presence"; Louis Bourget. Nov. 19. Transistor playback amplifier; Fred Wyman. Sept. 20. Two-channel mixer for Auricon film camera; Donald K. Haahr. Nov. 36. Two-channel transistor remote amplifiermixer; Donald K. Haahr. Sept. 46. Which tube shall I use?; George Fletcher Cooper. Nov. 30. ATTENUATORS High-impedance mixing for professional audio equipment; George L. Augspurger, Feb. 13. Matching impedance, variable attenuation box; Harold Reed. May 46. BELL TELEPHONE LABORATORY Series Acoustic illusion telephonically achieved; Harvey Fletcher. July 22. Auditorium acoustics and control facilities Tor reproduction in auditory perspective; E. H. Bedell. Sept. 84. Auditory perspective; W. B. Snow, Aug. 20. Loudness, Its definition, measurement, and calculation; Harvey Fletcher and W. A. Munson. I, Nov. 53; II, Dec. 40. Loudspeakers and microphones for auditory perspective; A. L. Thuras. Oct. 34. Reproduction of orchestral music in auditory perspective; June 16. BOOK REVIEW Acoustics for the Architect; Harold Burris-Meyer and Lewis Goodfriend, Oct. 77. BROADCASTING Low-noise transistor microphone amplifier ; James J. Davidson. Oct. 28. Single-channel transistorized remote amplifier; John K. Birch. May 36. Two-channel mixer for Auricon film camera; Donald K. Haahr. Nov. 36. Two-channel transistor remote amplifiermixer; Donald K. Haahr. Sept. 46. CONTROLS "Free-riding" control relays; Ronald L. Ives. Mar. 20. CROSSOVER NETWORKS RC crossover compromise; Crowhurst. July 17.

Norman

H.

DESIGN Impedance and feedback in audio circuits; Herman Burstein and Henry C. Pollak, Dec. 26.

94

Which tube shall I use?; George Fletcher Cooper, Nov. 30. DISTORTION Sad case of a half-watt resistor; Walther Richter. Dec. 36. "Understanding intermodulation distortion; Mannie Horowitz. Aug. 22. ENCLOSURES Aperiodic loudspeaker enclosure; Dr. E. De Boer. July 13. I get hot music from a cool cabinet; David K. Slifer. Mar. 24. Integral speaker systems, pro and con; Herman Burstein. Oct. 40. "Standard" speaker system; C. Q. McProud. Jan. 86. Toward ultimate high fidelity; Bruce H. Vardeman. Apr. 17. EQUALIZERS Equalizer design; Norman H. Crowhurst. I Aug. 17; II Sept. 34. Professional equalizer-preamp suitable for home use; Kenneth W. Betsh. Feb. 18. EQUIPMENT REVIEWS AR-2 Loudspeaker; Sept. 54. Audak KT Arm; Mar. 35. B-J series 90 Arm ; Nov. 64, Bogen ST10 stereo conversion amplifier; July 26. Capps condenser microphone; Mar. 35. Connoisseur turntable; Feb. 40. Dyna preamp and Dynakit III; Dec. 50. ESL "Dust Bug"; Oct. 52. Fairchild 412-1 turntable, 280A transcription a r m ; Dec. 50. Garrard line of phono equipment, Dec. 54. Garrard Model T "Mark II"; July 26. Garrard TPA-10 Arm; Oct. 48. General Electric VR-II Pickup; Dec. 52. Grado Pickup; Sept. 54. Kingdom Audette Sr.; Sept. 56. Metzner Starlight turntable and arm ; Oct. 52. Miratwin, Miracord, and Miraphon line; Sept. 52. Philips tape recorder; Nov. 60. Pickering Fluxvalve cartridge; Feb. 38. Pilot AA-920 and AA-903B amplifiers; Oct. 50. Shure Bros' Dynetic pickup ; May 48. Sonotone HFA-150 amplifier; Apr. 36. Steel Slides; Feb. 40. Stephens FR-80 loudspeaker; Oct. 48. Tape-Indx and Perma-File; Oct. 101. Tech-master Model 19K 60-watt amplifier; July 25. Wharfedale 3-way speaker systems; Nov. 62. Xophonic reverberation unit. Nov. 64.

Toward ultimate fidelity; Bruce H. Vardeman. Apr. 17. MANUFACTURING How the factory does it. Feb. 30. MEASUREMENTS H u m specification measurements; Mannie Horowitz. June 26. Transistor VU meter; Paul Penfield Jr. Apr. 22. MERCHANDISING Hi-Fi salesman—friend or foe? ; Marco Karpodines. May 26. MUSICAL INSTRUMENTS Violin and its hi-fi analogies; Anthony Doschek. I Sept. 17; II Oct. 42. NETWORKS Recording characteristic simulator; S. K, Ghandi. Apr. 24. PATENTS Cascode amplifier for phono preamps; Joseph Marshall. Apr. 26. Essentials of combination patents; Albert Woodruff Gray. Mar. 30. Forbidden fruit of patent pooling; Albert Woodruff Gray. Nov. 42. Phonograph pickup arm—a problem; H. A. Schwan, Apr. 28. Professional equalizer-preamp for home use; Kenneth W. Betsch. Feb. 18. Transistor preamp for low-output pickups; Anton Schmitt. July 20. PREAMPLIFIERS Cascode amplifier for phono preamps; Joseph Marshall. Apr. 26. Transistor preamp for low-output pickups; Anton Schmitt. July 20. PRINTED CIRCUITS Role of printed wiring In high fidelity; Norman H. Crowhurst. May 17.

HUM Hum specification measurements; Mannie Horowitz. June 26. More about hum; Harold Reed. Jan. 25.

PSYCHOACOUSTICS Above all, the ear; Jennis A. Nunley. May 15. Acoustical and electrical considerations in symphony orchestra reproduction; Walter T. Selsted. Jan. 22. Acoustic illusion telephonically achieved; Harvey Fletcher, July 22. Adequate audio power in the home; James Moir. Mar. 16. Auditory perspective; W. B. Snow. Aug. 20. Electrostatics, watts, realism and concert halls; Gilbert A. Briggs. Feb. 26. Fidelity perilous; George L. Angspurger. Oct. 30. Hi-Fi in the home—musical sound or blast; Leonard Warren. Mar. 15. Loud ness, its definition, measurement and calculation; Harvey Fletcher and W. A. Munson. I Nov. 53; II Dec. 40. Loudspeakers and microphones for auditory perspective; A. L. Thuras. Oct. 34. New concept on psychological aspects of stereo sound; H. F. Hume. Mar. 26. Reproduction of orchestral music in auditory perspective; June 16. "Third dimension" in sound; Sept. 22.

LAW Essentials of combination patents; Albert Woodruff Gray. Mar. 30. Forbidden fruit of patent pooling; Albert Woodruff Gray. Nov. 42.

RECORDING, Disc Recording characteristic simulator; S. K. Ghandi. Apr. 24. Take your recording room with you. Feb. 24.

LOUDSPEAKERS Aperiodic loudspeaker enclosure; Dr. E. De Boer. July 13. Integral speaker systems, pro and con; Herman Bursteiu. Oct. 40. Loudspeaker damping; Edgar Villchur. Oct. 24. RC crossover compromise; Norman H, Crowhurst. July 17. "Standard" speaker system; C. G. McPrond. Jan. 26.

RECORDING, Tape Dubbings duplicator; Herman Burstein. Nov. 23. High-quality tape recorder amplifier; Herman Burstein and Henry C. Pollak. I Jan. 15; II Feb. 32. Stereophonic magnetic recording amplifier; Arthur W. Wayne. I Oct. 21; II Nov. 38. Stereo recorder—a revelation and an education; Joseph E. Freda. Dec. 19.

FEEDBACK Care and treatment of feedback audio amplifiers; W. B. Bernard. Jan. 20. Impedance and feedback In audio circuits; Herman Burstein and Henry C. Pollak. Dec. 26.

AUDIO

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DECEMBER, 1957

RESISTORS Sad case of a half-watt resistor; Walther Richter. Dec. 36. STEREOPHONIC Acoustic illusion telephonically achieved; Harvey Fletcher. July 22. Auditory perspective; W. B. Snow. Aug. 20. Loudspeakers and microphones for auditory perspective; A. L. Thuras. Oct. 34. New concept on psychological aspects of stereo sound; H. P. Hume. Mar. 26. Reproduction of orchestral music in auditory perspective; June 16. Stereo-monaural companion amplifier for the "Preamp with Presence"; Louis Bourget. Nov. 19. Stereo recorder—a revelation and an education ; Joseph B. Freda. Dec. 19. SYSTEMS Acoustical and electrical considerations in symphony orchestra reproduction; Walter T. Selsted. Jan. 22. Electrostatics, watts, realism, and concert halls; Gilbert A, Briggs. Feb. 26. Ford Memorial Auditorium exemplifies sound redesign; Bert Ennis. May 28. High-impedance mixing for professional audio equipment; George L. Augspurger. Feb. 15.

AUDIO

•

DECEMBER, 1957

How to plan your Hi-Fi System; C. R. Tieman. Dec. 24. Integral speaker systems, pro and con; Herman Burstein, Oct. 40. System simplicity in audio; R. G. Chaplick. Jan. 38. "Third dimension" In sound; Sept. 22. TEST EQUIPMENT Matching impedance, variable attenuation box; Harold Reed. May 46. TONE CONTROLS Transistor tone-control Waldhauer. Sept. 27.

circuits;

F.

D.

TRANSFORMERS Electrical adjustment in fitting a new output transformer; Norman H. Crowhurst. Apr. 19. How an output transformer causes distortion; Norman H. Crowhurst. I Feb. 20; II Mar. 21. Output transformer specifications; Norman H. Crowhurst. June 20. Transformer impedance transformation; Harold Reed. June 24. Transformers in transistorized equipment; Norman H. Crowhurst. Nov. 46.

TRANSISTORS

Low-noise transistor microphone amplifier; James J. Davidson. Oct. 28. Single-channel transistorized remote amplifier; John K. Birch. May 36. Transformers in transistorized equipment; Norman H. Crowhurst. Nov. 46. Transistor playback amplifier; Fred Wyman. Sept. 20. Transistor preamp for low-output pickups; Anton Schmitt. July 20. Transistor tone-control circuits; F. D. Waldhauer. Sept. 27. Transistor VU meter; Paul Penfield Jr. Apr. 22. Two-channel mixer for Auricon film camera; Donald K. Haahr. Nov. 36. Two-channel transistor remote amplifiermixer; Donald K. Haahr, Sept. 46. TUBES Which tube shall I use?; George Fletcher Cooper. Nov. 30. TUNERS Add a tuning indicator to ratio-detector FM receiver; Carl R. Wischmeyer, Apr. 32.

95

1958 AMPLIFIER Amplifier performance: specifications and e v a l u a t i o n ; Herman Burstein. Feb. 24. A m p l i f i e r using the new 6CZ5's ; Nathan Grossman. July 23. Auto audio system ; William B. Fraser. Mar. 19. Compact two-channel amplifier for stereo systems; C. G. McProud. Aug. 54. Damping factor chart; Phil Phillips. Nov. 24. For stereo—the bi-ortho output circuit; C. Nicholas Pryor. Nov. 22. High-power audio amplifiers ; Mannie Horowitz. Mar. 34. H y b r i d feedbacks for power amplifiers; Herbert I. Keroes. Sep. 30. Improving the tape amplifier; Herman Burstein and Henry C. Pollak, July 17. Integrated audio monitor for home and studio use; Ronald L. Ives. Apr. 24. "Isodyne" phase splitter; E. F. Worthen, Aug. 26. Low-distortion 50-watt amplifier; W. I. Heath and G. R. Woodville. Jan. 19. Measurement of amplifier internal impedance; W. H. Anderson. Sep. 22. Simplified audio a m p l i f i e r ; R. G. Chaplick. Oct. 24. Stereo compatibility translator; Herbert M. Honig. Aug. 24. Stereophonic recording and playback amplifier ; Wayne K. Denny. Sep. 24. Three channel remote amplifier; Albert Stratmoen. June 24. Transients in feedback amplifiers; George Fletcher Cooper. Mar. 31. Two-way stereophonic a m p l i f i e r ; B. B. Bauer. J. M. Hollywood, and G. P. Maerkle. Oct. 19. Variable stereo suppresion control; John E. D'Errico. Aug. 23.

EQUIPMENT REVIEWS Aero Ultra-Linear II Amplifier. Dec. 42. Ampex stereo system. Mar. 48. Audio Tech speaker. Oct. 52. Baker 12" loudspeaker. June 34, Connoisseur pickup and phono arm. Feb. 36. Conrac Fleetwood TV. Mar. 52. EICO HFT-90 FM tuner kit. June 36. ESL Series 60 pickup. Apr. 42. Fairchild 248 stereo amplifier. Dec. 46. General Electric stereo cartridges. Dec. 45. Glaser-Steers GS-77 changer. Apr. 39. Harman-Kardon A-224 stereo amplifier/preamplifier. Nov. 46. F-10 FM tuner. Sep. 44, Oct. 56. Heathkit EA-2 amplifier. July 30. W-6M amplifier. Jan. 42. ISI A-10 speakers. Feb. 36. KLH speaker line. May 38. Karg "Tunematic" FM tuner and multiplex/ stereo units. Oct. 54. Lektrostat record cleaner. July 30. Madison Fielding 320 stereo amplifier and 330 stereo tuner. Sep. 42. Miracord XS-200 changer. June 34. Neshaminy Z-200 speaker system. Mar. 52. Pentron tape-recording equipment. June 36. Pickering ''Isophase" loudspeaker. Jan. 42. Pilot SP-125 stereo preamplifier and SM-244 stereo amplifier. June 38. Sargent-Rayment 300-M70 FM tuner and 70watt amplifier combination. Feb. 38. Scott 135 Stereo-adaptor. May 39. Shure 330 and 430 microphones. Jan. 46. Tannoy "Belvedere" speaker. Oct. 56. Tandberg Model 3-Stereo tape recorder. July 28. Telematic speaker. Oct. 52. United Speaker Systems' X-100 speaker. Nov. 46. Viking 85 tape deck and RP-61 amplifier. Dec. 43.

BELL TELEPHONE SYSTEM REPRINTS Hearing, the determining factor for h i g h fidelity transmission; Harvey Fletcher. July 24, Aug. 45, Sep. 34. Loudness—its definition, measurement, and calculation; Harvey Fletcher and W. A. Munson, Jan. 32, Feb. 34. New system of sound recording; H. C, Harrison. May 34. Universal phonograph reproducer; H. A. Henning. Mar. 40.

FANTASY New steampax recorder; Llessur Mahknit. Oct. 28. FEEDBACK Feedback and distortion; George Fletcher Cooper. Feb. 30. Hybrid feedbacks for power amplifiers; Herbert I. Keroes. Sep. 30. Transients in feedback amplifiers; George Fletcher Cooper, Mar. 31.

BOOK REVIEWS Music and the western m a n ; ed. by Peter Garvie. Oct. 12. Tape Recorder Circuits; Herman Burstein and Henry C. Pollak. Feb. 55.

FILTERS Comb filters, anyone? hurst. June 17.

CABINET Design of a high-quality stereo console; R. A. Joss. Nov. 38.

IMPEDANCE MATCHING Why match impedances? Paul Penfield, Jr. Apr. 32.

CONTROLS Complete tone compensator; Robert M, Voss. June 18. Improved loudness control; J. P. Wentworth. Jan. 30.

LAW Employer rights in employee inventions. Albert W. Gray. Oct. 50. Price discrimination in wholesale and retail sales. Albert W. Gray. Feb. 60. Trinity of the patent law—invention, novelty, and utility; Albert W. Gray. Mar. 44.

DAMPING FACTOR Damping factor chart; Phil Phillips. Nov. 24. DISTORTION Feedback and distortion; George Fletcher Cooper. Feb. 30. ELECTRONIC SWITCH Simple electronic switch ; P, Cremaschi. Feb. 26. ENCLOSURES Compart ultra-linear speakers for stereo; Vic-tor Brociner. Aug. 38. Compass-1—a new loudspeaker design; Milton D. Thalberg. Apr. 34. Custom-built corner horn enclosures; Laurent Gagnon. Feb. 20. Improvement, in "air suspension" sneaker enclosures with tube venting; Philip B. Williams and James F. Novak. Nov. 18. EQUALIZATION Equalisation in tape recorders; Herman Burstein. Mar. 28.

78

Norman II. Crow-

LOUDSPEAKERS Compact Ultra-Linear speakers for stereo; Victor Brociner. Aug. 38. Compass-1—a new loudspeaker design; Milton D. Thai berg. Apr. 34. High-fidelity buss cone loudspeakers; A. B. Sarkar. Dec. 28. Improvement in "air suspension" speaker enclosures with tube venting; Philip B. Williams and James F. Novak. Nov. 18. New high-frequency speaker; Edgar Villchur. Oct. 38. Two custom-built corner horn enclosures; Laurent Gagnon. Feb. 20. MEASUREMENTS Measurement of amplifier internal impedance; W. H. Anderson. Sep. 22. Output power measurements; Mannie Horowitz. Dec. 38. Simple transistor tester; Richard Burwen. May 30. Stabilized variable-sensitivity tuning meter; Ronald L. Ives. June 20.

Transistor beta tester with linear scale; Sergio Bernstein. July 21. Understanding the db, dbm, and the VU; Julian L. Bernstein. Nov. 30. VU meter in tape recording; Herman Burstein. Dec. 17. MICROPHONES M-S stereophony and compatibility; Gerhart Bore and Stephen F. Temmer. Apr. 19. MIXER Ten-channel audio mixer-preamplifier; Harold Reed. Jan. 27. MULTIPLEX Compatible stereo multiplex a d a p t e r ; Leonard Feldman. Oct. 30, Nov. 42. FM/Multiplex converter; Harold R. Day. Aug. 19. Questions and answers on stereo and m/x; Louis J. Kleinklaus. Aug. 20. NETWORKS EC filter design for high impedance crossover networks; Charles W. Harrison, Jr. Nov. 34. Use of twin-t type networks; Norman H. Crowhurst. May 19. PATENTS Trinity of the patent law—invention, novelty, and utility; Albert W. Gray. Mar. 44. PHONOGRAPH EQUIPMENT Adapting a Garrard changer to stereo pickups ; May 32. Convert y o u r Collaro to stereo; Stanley G. Neufeld. Aug. 42. PHONOGRAPH PICKUPS How to make a stereo pickup; C. G. McProud. Feb. 17. Manufacture of a high-quality cartridge; Ruben E. Carlson. Aug. 30. Toward an optimum stereo cartridge; Herbert H. Horowitz. Oct. 44. Universal phonograph reproducer; H. A. Henning. Mar. 40. PREAMPLIFIERS Complete tone compensator; Robert M. Voss. June 18. Paging preamplifier; Mannie Horowitz. Apr. 22. Simplified control unit; R. G. Chaplick. Sep. 17. Ten-channel audio m i x e r - p r e a m p l i f i e r ; Harold Reed. Jan. 37. PSYCHOACOUSTICS Hearing, the determining factor for highfidelity transmission; Harvey Fletcher. July 24, Aug. 45. Sep. 34. Londness—its definition, measurement and calculation; Harvey Fletcher and W. A. Munson. Jan. 32, Feb. 34. Standing waves—an audio booby t r a p ; William D. Bell. Oct. 22. RECORDING, DISC Compatible stereophonic record; B. B. Bauer, Peter C. Goldmark, and William S. Bachman. May 26. Improving the performance of stereophonic disc playback systems; B. B. Bauer. Aug. 34, New approach to stereo discs; Maximilian Weil. June 28. New electromechanical method of matrixing the two components in stereophonic disc recording; Hans-Joachim Klemp. Horst Redlieh, a n d Stephen F, Temmer. Nov. 26. New sytems of sound recording; II. C. Harrison. May 34. Phasing in stereophonic recording; William S. Bachman. Nov. 17. RECORDING, TAPE Equalization in tape recorders; Herman Burstein. Mar. 28. Improving the tape amplifier; Herman Burstein and Henry C. Pollak. July 17. Stereophonic recording and playback amplifier; Wayne B. Denny. Sep. 24, Tape tension—the neglected dimension ; Erwin J. Saxl. Dec. 34.

AUDIO

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DECEMBER, 1958

VU meter in tape recording; Herman Burstein and Henry C. Pollak. Dec. 17. SHIELDING Spiral steel shielding for audio circuits; Ronald L. Ives. Dec. 40. SOUND MOTION PICTURES Amateur sound film equipment; H. Thiele. Jan. 24. STEREOPHONIC Adapting a Garrard changer to stereo pickups. May 32. Compact two-channel amplifier for stereo systems; C. G. McProud. Aug. 54. Compatible stereo multiplex adapter; Leonard Feldman. Oct. 30, Nov. 42. Compatible stereophonic record ; B. B. Bauer, William S. Bachman, and Peter C. Goldmark. May 26. Convert your Collaro to stereo; Stanley G. Neufeld. Aug. 42. FM/Multiplex converter; Harold R. Day. Aug. 19. For stereo—the bi-ortho output circuit; C. Nicholas Pryor. Nov. 22.

AUDIO

•

DECEMBER, 1958

How to make a stereo pickup; C. G. McProud. Feb. 17. Improving the performance of stereo disc playback systems; B. B. Bauer. Aug. 34. M-S stereophony and compatibility ; Gerhart Bore and Stephen F. Temmer. Apr. 19. Manufacture of a high-quality cartridge; Ruben B. Carlson. Aug. 30. Monaural, binaural, monophonic, and stereophonic; Harry F. Olson. Sep. 28. New approach to stereo discs; Maximilian Weil. June 28. New electromechanical method of mat rising the two components in stereophonic discrecording; Hans-Joachim Klemp, Horst Redlich, and Stephen F. Temmer. Nov. 26. Phasing in stereophonic recording; William S. Bachman. Nov. 17. Questions and answers on stereo and m/x; Louis J. Kleinklaus. Aug. 20. Stereo compatibility translator; Herbert M. Honig. Aug. 24. Stereo phasing problem; C. G. McProud. Sep. 38. Stereophonic recording and playback amplifier ; Wayne B. Denny. Sep. 24. Toward an optimum stereo cartridge; Herbert H. Horowitz. Oct. 44. Two-way stereophonic amplifier; B. B. Bauer, J. M. Hollywood, and G. P. Maer-

kle. Oct. 19. Variable stereo-suppression control; John E. D'Errico. Aug. 23. SYSTEMS Auto audio system ; William B. Fraser. Mar. 19. Hi-fl with that coffee aroma; Edwin A. Snape. Dec. 20. Sound recording and reinforcing at the Monterey jazz f e s t i v a l ; Russell J. Tinkham. Dec. 22. Trends in audio ; Herman Burstein. Apr. 28. TRANSIENTS Testing for transients; George Fletcher Cooper. Apr. 26. Transients in feedback amplifiers; George Fletcher Cooper. Mar. 31. TRANSISTORS Amateur sound film equipment; H. Thiele. Jan. 24. Simple transistor tester; Richard Burwen. May. 30. Transistor beta tester with linear scale; Sergio Bernstein. July 21.

79

1959 AMPLIFIERS Amplifier distortion story; Norman H. Crowhurst. Apr. 35, May 24. Determining grid No. 2 dissipation in ultralinear amplifiers; Leonard Kaplan. Dec. 24. Eight-position mixer; Morris Dollens. Apr. 25. Low-loading self-biased amplifier; L. B. Dalzell. Dec. 19. "Panphonic" stereo control amplifier; George Manning Lewis. Sep. 44. Purple cow; J. C. Witherspoon. Jan. 30. Push-pull in hi fi; Manuie Horowitz. Apr. 19. Puzzled about amplifiers? Norman H. Crowhurst. Nov. 24. Realistic audio engineering philosophy; Norman H. Crowhurst. Oct. 52. Realistic bass without "boom;" Bruno Staffen. Feb. 21. 60-watt power amplifier with a silicon rectifier power supply; L. H. Dalzell. Mar. 36. Standard methods of measurements for amplifiers—IHFM-A-200. Oct. 26. "Stereo-Plus" system; Richard Shottenfeld and Walter Staudt. Oct. 23. Technique of measuring I.M. distortion in audio amplifiers; Leon Kuby. Oct. 64. Ten-watt all-triode a m p l i f i e r ; Robert M. Voss and Robert Ellis. Sep. 40. Transistorized hi-fi preamplifier; Ernest Severin. Dec. 48. Transistorized microphone preamplifier; Horace E. West. Nov. 50. Transistorized remote-broadcast a m p l i f i e r ; C. M. Edmonds. Jan. 24. TW/PA2—a comprehensive tape preamplifier; A r t h u r W. Wayne. Jun. 17. Universal stereo control center; Francis A. Gicca. Nov. 19. Variable electronic crossover and b i a m p l i fier; George C. Kane. Aug. 42. ATTENUATORS Parabolic a t t e n u a t o r ; H. A. Schwan. Dec. 25. BOOK REVIEW The Audio Cyclopedia ; Howard Tremaine. Aug. 99. BROADCASTING A compatible stereophonic sound system; Floyd K. Becker, May 17. Double-duty disc-hop consolette; John Whitacre. Feb. 30. Transistorized remote-broadcast amplifier, C. M. Edmonds. Jan. 24. CONTROLS A continuously variable stereo dimension control; Peter A. Stark. Jul. 22. Stereophonic tape recorder control; R. A. Greiner. Dec. 28. Universal stereo control center; Francis A. Gicca. Nov. 19. CROSSOVERS Choice of a crossover frequency; James Moir. Apr. 22. Variable electronic crossover and biamplifier; George C. Kane. Aug. 42. DAMPING FACTOR Direct-read ing damping-factor meter; W. H. Anderson. Jan. 22. DECIBELS Decibel—fact or fable? Walter R. Westphal. Mar. 27. DISTORTION Amplifier distortion Story; Norman H. Crowhurst. Apr. 35, May 24. Loudspeaker distortion due to the Doppler effect; Virginia Rettinger. Jul. 28. Technique of measuring I.M. distortion in audio amplifiers; Leon Kuby. Oct. 64. Transformer distortion; Dunford Kelly. Feb. 38, Mar. 42. ENCLOSURES Calculation chart for vented cabinets; Victor Brociner. Nov. 22. Design of the wide-range ultra-compact Regal speaker system; Robert C. Avedon, Jack E. Burchfield, and Wayne Kooy. Mar. 22. Hi-fi for lo-do; S. G. Lucas. Aug. 50. Hi-fi speaker enclosure damping materials; James A. Huff, Jr. Aug. 26. New high fidelity loudspeaker enclosure; W. J. D. Van Dijck. Jan. 27. Realistic baas w i t h o u t "boom"; Bruno Staffen. Feb. 21.

100

Simple single-cabinet corner stereo speaker; C. G. McProud. Jan. 19. Speaker system for perfectionists; James A Mitchell. Nov. 52. EQUIPMENT PROFILES Acoustic Research AR-3 loudspeaker; Dec. 64. Ampex 960 stereo tape equipment; Jul. 40. 880 stereo microphones; Jul. 44. 881 headphones; Jul. 44. Arkay AM-5 AM tuner kit; Apr. 48. Bell "Carillon" stereo preamplifier/amplifier; Mar. 48. Blonder-Tongue Audio Baton; Feb. 48. Collaro "Constellation" record changer; Oct. 76. Connoisseur Type B transcription turntable; Jun. 40. Dual Model 1006 record changer; Jun. 38. Dynakit stereo control; Feb. 46. Dynakit "Stereo 70" stereo amplifier; Sep. 54. EICO HF85 stereo preamplifier; Dec. 66. Fisher 400 stereo preamplifier; Jan. 44. X101A stereo preamplifier/amplifier; Nov. 64. General Electric MS-4000 "Stereo Classic" stereo preamplifier/amplifier; Jan. 40. Glaser-Steers record changer cover; Jun. 42. Harman-Kardon A250 stereo amplifier; Apr. 42. Hartley 217-Duo stereo speaker; Apr. 47. Jensen "Galaxy II" stereo speaker system; Oct. 74. Kingdom "Omega" speaker system ; Jun. 42. Knight KN-120 DeLuxe stereo tuner; Jan. 48. Knight-Kit 83YX776 stereo preamplifier; Mar. 50. Koss stereo headphones; Nov. 62. Lafayette KT-600 stereo preamplifier; May 34. Leak amplifier line; Sep. 50. Lesa CD2/21 record changer; Jul. 46. Madison Fielding Series 360 Master Stereophonic Console; Dec. 64. Microlift phono tone arm control; Jun. 42. Pilot SP-216A stereo preamplifier; Sep. 48. Precise Mark XXIV "Integra" stereo preamplifier/amplifier; Jul. 44. Reslo ribbon microphones; Jan, 46. Sargent Rayment line; Oct. 72, Scott 299 Stereo amplifier; Nov. 59. 222 stereo amplifier; Nov. 62. Sony TFM-151 AM-FM transistor portable; Jan. 42. Sony Sterecorder tape machine; Dec. 60. Tandberg Model 5-2 stereo tape machine; Apr. 46. Telectro Series 900 tape decks; Feb. 50. Uher Universal tape equipment; Oct. 74. University TMS-2 "Trimensional" stereo speaker; Sep. 50. FANTASY Elimination networks for hi-fi systems; Daniel R. Butterly. Jan. 40. What is high fidelity? J. Gordon Holt. Oct. 45. FILTERS Transistorized band-pass filter; Charles R. Miller. Oct. 24. INSTRUMENTS Audio oscillator circuits, old and new; Norman H. Crowhurst. Jul. 23. Series-tuned push-pull oscillator; B. J. Cuddy. Nov. 48. Visual stereo monitoring; George L. Foster and Burwell Graham. Nov. 45. LAW Errors and mistakes of engineers; Albert Woodruff Gray. Aug. 56, LOUDSPEAKERS Calculation chart for vented cabinets; Victor Brociner. Nov. 22. Choice of crossover frequency; James Moir. Apr. 22. Design of the wide-range ultra-compact Regal speaker system; Robert C. Avedon, Jack E. Burchfield, and Wayne Kooy. Mar. 22. Hi-fi for lo-do; S. C. Lucas. Aug. 50. Hi-fi speaker enclosure damping materials; James A. Huff, Jr. Aug. 26. High-fidelity performance from small speakers; Charles F. Mahler, Jr. Dec. 22. Loudspeaker distortion due to the Doppler effect; Virginia Ret linger. Jul. 28. New high fidelity loudspeaker enclosure. W. J. D. Van Dijck. Jan. 27. Realistic bass without "boom;" Bruno Staffen. Feb. 21.

Simple single-cabinet corner stereo speaker; C. G. McProud. Jan. 19. Speaker phasing with an oscilloscope; Bob E. Tripp. May 10. Speaker system for perfectionists; James A. Mitchell. Nov. 52. "Trimensional" speaker system; Victor Brociner. Jun. 21. MEASUREMENTS Audio oscillator circuits, old and new; Norman H. Crowhurst. Jul. 23. Decibel—fact or fable? Walter R. Westphal. Mar. 27. Direct-reading damping-factor meter; W. H. Anderson. Jan. 22. Standard methods of measurements for amplifiers— IHFM-A-200. Oct. 26. Standard methods of measurements for tuners—IHFM-T-100. May 42, Jun. 48. Technique of measuring I.M. distortion in audio amplifiers; Leon Kuby. Oct. 64, Visual stereo monitoring; George L. Foster and Burwell Graham. Nov. 45. MICROPHONES Acoustic-front damping in dynamic microphones; W. T. Fiala. Mar. 28 Microphones for recording; Herman Bur stein. Oct. 32. Transistorized microphone preamplifier; Horace E. West. Nov. 50. MIXERS Eight-position m i s e r ; Morris Dollens. Apr. 25. MULTIPLEX Heterodyne FM multiplex adapter; W. B. Bernard. Dec. 50. What about stereo multiplexing and matrising? Norman H. Crowhurst. Sep. 26. NOISE Radio interference in audio equipment; John C. Rice. Jul. 27. PATENTS Contributory infringement of patents; Albert Woodruff Gray. Sep. 24. Reduction to practice—a patent essential; Albert Woodruff Gray. Apr. 40. PHASING Speaker phasing with an oscilloscope; Boh E. Tripp. May 10. PHONOGRAPH EQUIPMENT Magnetic counter—an essential component; John E. Turner, Jan. 28. PHONOGRAPH PICKUPS Loading the piezoelectric cartridge; Herman Burstein. Mar. 21. Moving-magnet stereo; Herbert Horowitz. May 19. POWER SUPPLIES 60-watt power amplifier with a silicon rectifier power supply; L. B. Dalzell. Mar. 36. PRODUCT PREVIEW Amplifiers and preamplifiers. Aug. 67. Arms. Sep. 74. Loudspeakers. Aug. 74. Microphones. Sep. 75. Miscellanous. Aug. 111, Sep. 80. Record changers. Aug. 79. Stereo cartridges. Sep. 70. Tape accessories. Aug. 110. Tape equipment. Aug. 82. Tuners. Aug. 71. Turntables. Aug. 81. PSYCHOACOUSTICS Realistic bass without Staffen. Feb. 21.

"boom;"

Bruno

RECORDING—DISC Record lubrication has considerable effect; John F. Fox. Jan. 36. RECORDING—TAPE Converting the Revere or Wollensak recorders to stereo; Joseph F. Dundovic. Feb. 24. How many leads for the tape recorder? Herman Burstein. Jun. 28. Incorporating tape into the audio system; Herman Burstein. Sep. 32. Kinds of tape; Herman Burstein. Dec. 32. Microphones for recording; Herman Burstein. Oct. 32. Stereo recording techniques; Richard S. Levy. Dec. 40. Stereophonic tape recorder control; R. A. Greiner. Dec. 28.

AUDIO

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DECEMBER, 1959

Superimposed tape recording; William D. Hell. Oct. 62. Tape recorder accessories; Herman Burstein. Nov. 32. TW/PA2—a comprehensive tape preamplifier; Arthur W. Wayne. Jun. 17. What kind of record-level indicator? Herman Burstein. Jul. 30. What kind of tape machine for your audio system? Herman Burstein. May 30. What to look for in a tape recorder. Herman Burstein. Aug. 32. STANDARDS Standard methods of measurements for amplifiers—IHFM-A-200. Oct. 26. Standard methods of measurements for tuners—IHFM-T-100. May 42. Jun. 48. STEREO Compatible stereophonic sound system; Floyd K. Becker. May 17. Continuously variable stereo dimension control; Peter A. Stark. Jul. 22. Converting the Revere or Wollensak recorders to stereo; Joseph F. Dundovic. Feb. 24. Heterodyne FM multiplex adapter; W. B. Bernard. Dec. 50. Moving-magnet stereo; Herbert Horowitz. May 19. Simple single-cabinet corner speaker. C. G. McProud. Jan. 19. Speaker phasing with an oscilloscope; Bob E. Tripp. May 10.

AUDIO

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DECEMBER, 1959

Stereo recording techniques; Richard S. Levy. Dec. 40. Stereo without bankruptcy; A r t h u r W. Sear, Feb. 44. Stereophonic tape recorder control; R. A, Greiner. Dec. 28. "Trimensional" speaker system; Victor Brociner. Jun. 21. Two more ears; M. David Weisberg. Jun. 24. Universal stereo control center; Francis A. Gicca. Nov. 19. What about stereo multiplexing and matrixing? Norman H. Crownurst. Sep. 26.

TRANSISTORS Transistor music system using direct coupling; Richard S. Burwen. A u g . 21. Transistorized band-pass filter; Charles R. Miller. Oct. 24. Transistorized hi-fl preamplifier; Ernest Severin. Dec. 48. Tranisistorized microphone preamplifier Horace E. West. Nov. 50. Tranisistorized remote-broadcast amplifier; C. M. Edmonds, Jan. 24. TUBES Figure of merit for audio output tubesRobert Mitchell. Nov. 40.

SYSTEMS All for once, once for all; Edwin F. Wirsing. Sep. 21. Defense and the hi-fi bachelors; C. H. Malmstedt. Oct. 46, Nov. 29. Double-duty disc-hop consolette; John Whitacre. Feb. 30. Orgon and hi-fi system in unique combination; R. G. Sohlberg. Jun. 36. Simultaneous design; William G. Dilley, Oct. 51. Sound distribution at the Brussels exhibition ; A. V. J. Martin. Feb. 26. Transistor music system using direct coupling; Richard S. Burwen. Aug. 21.

TUNERS FM band reception in fringe areas; W. N Coffey. Jul. 19. FM commercial eliminator for fringe areas; Ronald L. Ives. Oct. 21. Heterodyne FM multiplex adapter; W. B. Bernard. Dec. 50. Low noise AM tuner uses triode Input; Charles H. Chandler and Allen R. Greenleaf. Sept. 19. Negative-supply outboard codan; Ronald L. Ives. May 22. Standard methods of measurements for tuners—IHFM-T-100. May 42, June 48.

TRANSFORMERS Transformer distortion; Feb. 38, Mar. 42.

WORKSHOP New York's a u d i o Norinsky. Mar. 34.

Dunford

Kelly.

workshop;

Sidney

101

1960 AMPLIFIERS The anode follower; Charles Boegli. Dec. 19 Audio amplifier design; Amperex staff. edited by David Saslaw. Jan. 26, Feb. 36 Audio power requirements and statistics; C. Nicholas Pryor. Dec. 46 Aural zero null—for stereo balancing; Leonard Feldman. Feb. 24 "Circuit Sentry" protects output tubes; J. Levitsky. Sept. 28 Universal feedback amplifier circuit; Arnold J. Kauder. Jan. 19 Notes 011 the cathodyne phase splitter; Albert Preisman. Apr. 22 BOOK REVIEW "Sound in the Theatre," Harold BurrisMeyer and Vincent Mallory. Jan. 78 BROADCASTING Test-level tapes aid program reproduction; Jay C. Abbott. Nov. 28 CIRCUIT THEORY The anode follower; Charles Boegli. Dec. 19 The pro and con-vention; Leo F. Gaeller. Dec. 30 Those crazy mixed-up currents; Almus Pruitt. Apr. 24 COMPONENTS Output transformers; James Moir. Feb. 30, Mar. 34 Silicon diode in audio equipment; L. B. Dalzell. July 19 Variable low-pass filter; Richard S. Burwen. May 28 CROSSOVER NETWORKS Electrical crossover design; H. Crowhurst. Sept. 19

Norman

EQUIPMENT PROFILES Altex Monterey and Monterey Jr. Loudspeakers; May 44 Connoisseur F2S turntable; Sept. 44 Dynakit Mk. IV amplifier; Oct. 56 Dynakit stereo preamp; July 36 EICO HF-89 power amplifier; Sept. 42 EMI Stereoscope amplifier; June 46 Fisher FM-100 tuner; Oct. 54 Garrard SPG3 stylus force gauge; Nov. 62 Harman-Kardon Citation I stereo preamp; Feb. 52 Harman-Kardon Citation II power amp; Jan. 44 Harman-Kardon Citation IV stereo preamp; Dec. 54 Harman-Kardon Citation V power amp; Dec. 54 Homewood Industries speaker cabinet kit; Sept. 44 Knight-Kit Deluxe stereo tuner; June 42 Knight-Kit Deluxe 20/20 amplifier, June 44 Lafayette KT-250 stereo amplifier; Oct. 51 Madison-Fielding Model 440 stereo receiver; May 46 PACO 40-watt stereo amplifier; Apr. 42

96

Pickering 380 stereo cartridge; June 46 Scott Model 299 stereo amplifier; Mar. 46 Sherwood S-4400 stereo preamp and basic add-on amplifier; Apr. 40 Shure M232 and M236 phono arms; Nov. 62 Sony Superscope tape recorder, Model CS-300; Dec. 58 Sony Superscope tape deck, Model 262D; Dec. 60 Sony wireless microphone; May 44 Tandberg Model 6 tape recorder; Nov. 60, Dec. 60 Transistronics TEC-25 transistorized stereo amplifier; July 38 Uher "Stereo Record III" tape recorder; Feb. 74 Viking Stereo Compact tape recorder; Oct. 54 FANTASY and FICTION I married a Hi-Fi addict; Alice Brooks. Sept. 26 Dictionary of modern engineering usage; Daniel R. Butterly. Oct. 26 Those crazy mixed-up currents; A l m u s Pruitt. Apr. 24 FILTERS Variable low-pass filter; Burwen. May 28

Richard

S.

HUM Hum chasing is engineering? Norman H. Crowhurst. Dec. 26 LOUDSPEAKERS Acoustic matrixing—a basis for new loudspeaker developments; Norman H. Crowhurst. Nov. 19 Audio power requirements and statistics; C. Nicholas Pryor. Dec. 46 Bi-phonic coupler, Model 440; Abraham Cohen. Mar. 20 Electronic crossover design; Norman H. Crowhurst. Sept. 19 Linearity of acoustic-suspension speakers; Edgar M. Villchur. Jan. 24 More on the air spring and the ultracompact loudspeaker; Robert C. Avedon. June 22 New design chart for bass-reflex enclosures; R. D. Herlocker. Apr. 19 Polystyrene foam loudspeaker cones; P. B. Williams and James F. Novak. May 23 Series-parallel speaker array; Charles F. Mahler, Jr. Nov. 54 What's a good loudspeaker? L. G. Bostwick. Jan. 22 1.02 cubic feet and 45 cps; R. Sequerra. Aug. 20 MEASUREMENTS Junk-box FM alignment u n i t ; Allen R. Greenleaf and Charles H. Chandler. Dec. 23 MICROPHONES Microphone calibration; Daniel P. Peters. Aug. 19 New microphone has unique directivity; Harold S. Mawby. Apr. 26

Ribbon microphone for high-quality recording and reproduction; M. L. Gayford. July 23 Use of polyester films in microphone design; Alexis Badmaieff. June 28 PATENTS Discoveries and patentable inventions; Albert Woodruff Gray. Oct. 46 "Unclean Hands" forfeit patent protection; A l b e r t Woodruff Gray. Jan. 32 PHONOGRAPH EQUIPMENT Determination of tracking angle in pickup arm design; Niel Malan. Feb. 28 Graphical solution to the tracking problem; W. B. Bernard. Sept. 24 Unique push-pull stereo magnet itphono pickup; E. R. Madsen. Oct. 40 POWER SUPPLIES Adjustable power supply; John P. Wentworth. Mar. 19 Silicon diode in audio equipment; L. H. Dalzell. July 19 PREAMPLIFIERS Audio amplifier design; Amperex staff, edited by David Saslaw. Jan. 26, Feb. 36 Transistorized stereo phono preamp; W. B. Bernard. June 19 Transistorized stereo control u n i t ; Richard Y. Moss. Oct. 19 PSYCHOACOUSTICS Acoustic matrixing—a basis for new loudspeaker developments; Norman II. Crowhurst. Nov. 19 Musical scale as an engineering tool; D. E. Johnson. Sept. 23 Second thoughts on stereo; Norman H. Crowhurst. Feb. 19 What's a good loudspeaker? L. G. Bostwick. Jan. 22 RADIO RECEPTION Space diversity techniques improve FM reception; Daniel von Recklinghausen ami Martin L. Borish. Nov. 48 RECORDING, DISC Variable pitch recording system; Tom H. Jones. Dec. 24 R E C O R D I N G , MAGNETIC Converting the Grundig to stereo; W i l liam G. Dilley. May 38 17/8 - ips magnetic recording system for stereo music; Dr. P. C. Goldmark. Dr. C. D. Mee, J. D. Goodell, and Dr. W. P. Guckenburg. May 19 Test-level tapes aid program reproduction; Jay C. Abbott. Nov. 28 Tape Guide Checking frequency response, equalization, and azimuth; Herman Burstein. Sept. 30 Checking other aspects of performance; Herman Burstein. Oct. 28

AUDIO

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DECEMBER, 1960

Distortion in tape recording; May 32, June 36 Equalization; Herman Burstein. Aug. 28 Improving the signal-to-noise ratio; Herman Burstein. Jan. 34, Feb. 33 Maintaining frequency response in recorders ; Herman Burstein. Mar. 28, Apr. 30 More about tape heads; Herman Burstein. J u l y 28 Stereo considerations. Herman Burstein. Nov. 32 Tape's future; Herman Burstein. Dec. 32

AUDIO

•

DECEMBER, 1960

STEREO REPRODUCTION Aural zero null—for stereo balancing; Leonard Feldman. Feb. 24 Converting the Grundig to stereo; William G. Dilley. May 38 Second thoughts on stereo; Norman H. Crowhurst. Feb. 19

Greiner. Nov. 22, Dec. 36 Start with mono—build up to stereo; C. F. Barton. Aug. 22 TRANSFORMERS Output transformers; James; Moir. Feb. 30, Mar. 34

SYSTEMS Be professional—rack mount; William G. Dilley. Nov. 42 Development of a tailored sound system; Fred Gordon. July 26 Engineer's high fidelity system; R. A.

TRANSISTORS

Transistorized stereo phono preamp; W. B. Bernard. June 19 Transistorized stereo control unit; Richard Y. Moss. Oct. 19

97

1961 AMPLIFIERS Amplifiers with positive and negative feedback; Charles P. Boegli. Apr. 18. Another power amplifier! R. A. Greiner. Sept. 19. Feedback techniques in low-level amplifiers; Donald L. Shirer. May 19. Stereo-plus-center to two recording channels; Harold Reed. Nov. 28. Switching mono to stereo, to stereo plus center; Harold Reed. Sept. 50. Triode operation of KT88's; Robert M. Voss and Robert Ellis. Mar. 30. Vacuum-tube OTL a m p l i f i e r ; M. W. P. Strandberg. Dec. 18. BOOK REVIEW "Noise Reduction," Leo L. Beranek, editor. June 68. BROADCASTING Low-cost stereo conversion for studio console; C. G. McProud. Nov. 44. CABINETRY A case for the custom console; F. H. Jackson. Feb. 18. COMPUTERS Computers in audio design; R. G. Buscher. I, Feb. 22; II, Mar. 22. ENCLOSURES Maximum fun. medium fi. minimum cost; L. F. Goeller. Apr. 38. #4, 80 pounds, a Super-8. and the shim method; John L. Grauer. Jan. 19. EQUALIZATION Interconversions of various equalization terminology; Kenneth Betsh. Mar. 19. Equipment failure alarms; Allan M. Ferres. Dec. 42. EQUIPMENT PROFILES Audio Dynamics ADC-1 cartridge; May 52. Altec 838, 845 loudspeakers; Apr. 52. Astatic "Cantata" cartridge 45D; Sept. 62. Bogen RP-40A AM-FM stereo receiver; Oct. 60. Crosby R80 AM-FM stereo receiver; June 48. Dual 1006-Custom record changer; Oct. 64. Dynatuner F M - 1 FM tuner; July 34. EICO ST-40 stereo amplifier; May 50. EICO ST-96 FM-AM stereo tuner; Sept. 60. Electro-Voice Patrician 700 and Stereon 200 speakers; Jan. 39. Empire "Troubador" turntable system; Nov. 62. Ercona "Nordic I" loudspeaker; Feb. 56. Fairchild 440-2 turntable; Feb. 52. Fairchild 510 "Compander"; Nov. 66. Fisher FM-200 FM tuner; May 46. Fisher X-1000 stereo amplifier; Sept. 60. Fisher XP-4 loudspeaker system; J u n e 42. Garrard Type A record changer; May 48.

88

Goodmans "Alpha" speaker system; M a y . Gray 208-S/16 professional phono arm; Oct. 62. Harman-Kardon Citation III tuner kit; Jan. 38. Jensen TF-3 loudspeaker system; July 38. Korting 158S tape recorder; Sept. 58. Lafayette KT-550 power amplifier kit; J u n e 44. Lafayette KT-650 FM-tuner kit; Oct. 59. Lafayette RK120 miniature tape recorder; Mar. 40. Luxor "Magnefon" MP410A tape recorder; Dec. 50. Marantz Model 7 stereo preamp; Apr. 48. Miracord Studio H turntable-changer; Sept. 56. Neshaminy Jan-Kit 41 speaker system k i t ; Mar. 40. Neumann DST stereo cartridge; June 46. Neumann PA2a turntable; June 46. Norelco "Continental 200" tape recorder; Nov. 62. Ortofon SMG-212 phono ami and SPU/ GT stereo cartridge; Dec. 56. Paco RT-45PA stereo tuner kit; Mar. 38. "Realistic" Model 210 stereo power amplifier kit; Dec. 52. Roberts Model 990 tape recorder; J u l y 36. Sargent-Rayment SR-8000 stereo tunerpreamp; Feb. 48. Sargent-Rayment SR-202 reverberation unit; Feb. 48. Schober "Autotuner" organ tuner kit; Dec. 58. Scott LT-10 FM tuner kit; Feb. 54. Scott S-2 loudspeaker system; Oct. 60. Sherwood S-2200B AM-FM stereo tuner; Apr. 46. Shure M212 and M216 Studio Dynetic stereo cartridge and arm; Feb. 50. Sonotone S2 ceramic stereo cartridge; Oct. 62. Sony TFM-121A transistorized portable A M - F M receiver; July 38. Thorens TD-124 turntable; Dec. 54. University Classic II loudspeaker system; Nov. 64. Viking "76 Compact" tape recorder; June 48. Weathers K-834 2-speed turntable and pickup system; Apr. 50. FANTASY AND FICTION Confessions of a high-fidelity widow; Christopher Fay. May 24. One step at a time; Burt Hines. Sept. 54. FEEDBACK Amplifiers with positive and negative feedback; Charles P. Boegli. Apr. 18. Feedback techniques in low-level amplifiers; Donald L. Shirer. May 19. FM-STEREO Filters for FM-stereo; Norman H. Crowhurst. Aug. 26. Signal sampling for FM stereo; R. S h o t t e n f e l d and S. Abilock. Dec. 22.

An FM-stereo adapter - the GE System; Antal Csicsatka and Robert M. Linz. June 24. FM-multiplex stereo adapter; Daniel R. von Recklinghausen. J u n e 21. Product detector for FM-stereo; Fred L. Mergner. A u g . 23. S y n c h r o n o u s oscillator FM-stereo adapter; Leonard Feldman. July 25, Time—division approach to FM-stereo; Carl G. Eilers. A u g . 20. W h a t hath FCC wrought? David Sasl a w . June 18. LOUDSPEAKERS Common-bass stereo speaker system; Francis F. Chen. Nov. 19. Hanging hi-fi system; Harold C. Mangels. Dec. 46. Line Radiator; R. J. Pawlowski. July 1ft. Loudspeaker design; Norman H. Crowhurst. Feb. 36. Loudspeaker magnet design; Norman H. Crowhurst. Sept. 44. Maximum f u n , medium fi, minimum cost; L. F. Goeller. Apr. 38. #4, 80 pounds, a Super-8, and the shim method; John L. Grauer. Jan. 19. Performance of series-parallel speaker arrays; James F. Novak. Sept. 23. "Reflection Coupler" gives stereo spread; Leon J. Knize. June 30. Submarine sonics; Victor L. Brociner. J u l y 22. To phase or not to phase; R. A. Snape. July 32. MUSICAL INSTRUMENTS Electronic organ t u n i n g ; H. D. Herlocker. Dec. 30. The electronic organ—high fidelity musical instrument. David Wolkov. Nov. 35. PATENTS Loss of patent by prior use or sale; Albert Woodruff Gray. Oct. 50. Patent applications and the taint of public use; Albert Woodruff Gray; Mar. 34. POWER SUPPLIES Regulate that voltage; Dilley. Jan. 28.

William G.

PREAMPLIFIERS Designing a transistorized preamp; R. J. Bosselaers. Jan. 24. PSYCHOACOUSTICS Ersatz stereo unlimited; C. H. Malmstedt. Feb. 20. How high is fi? George Fletcher Cooper. May 40. "Sineward" distortion in high fidelity ampliflers; John W. Campbell. Nov. 52. Speaker power; Paul W. Klipsch. Oct. 54. Stereo misconceptions; James C. Cunn i n g h a m ; Sept. 38. To phase or not to phase; E. A. Snape. July 32.

AUDIO

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DECEMBER, 1961

The indispensable engineer; H. Crowhurst. May 36.

Norman

RECORDING, MAGNETIC Characteristics of tape noise; William B. Snow. Feb. 26. "Fidelimatic" tape recording system; John Whitacre. Oct. 19. Tape copying—home style; R. A. Joss, Dec. 35. Tape indexing; Jerry Lerner. Jan. 22. Understanding the tape oscillator; Herman Bui-stein and Henry C. Foliate. Feb. 28. RECORDING TECHNIQUES More about recording perspective; William G. Dilley. July 28. Recording perspective; William G. Dilley. Apr. 32. Stage sound; Richard S. Levy. May 26. Stereo-plus-center to two recording c h a n n e l s ; Harold Reed. Nov. 28.

AUDIO

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DECEMBER, 1961

REVERBERATION Artificial reverberation; Fred L. Mergner. Apr. 28. STEREO Filters for FM-stereo; Norman H. Crowhurst. Aug. 26. Signal sampling for FM stereo; R. Shottenfeld and S. Abilock. Dec. 22. FM-stereo adapter —the GE System; A n t a l Csicsatka and Robert M. Linz. June 24. FM-Multiplex stereo adapter; Daniel R. von Recklinghausen. June 21. Product detector for FM-stereo; Fred L. Mergner. A u g . 23. Synchronous oscillator FM-stereo adapter; Leonard Feldman. July 25. Stereo misconceptions; James C. Cunningham. Sept. 38. Switching mono to stereo, to stereo plus center; Harold Reed. Sept. 50. Time-division approach to FM stereo; Carl G. Eilers. Aug. 20.

To phase or not to phase? E. A. Snape, July 32. What hath FCC wrought? David Saslaw. J u n e 18. SYSTEMS Low-cost stereo conversion Cor studio console. C. G. M c P r o u d . N o v . 44. A unique motel installation; Bob Kampf. Mar. 20. TEST EQUIPMENT FM sweep alignment unit—austerity model; Allen R. Greenleaf. Oct. 42. TRANSISTORS Designing a transistorized preamp; R. J. Bosselaers. Jan. 24. A feel for transistors; L. F. Goeller. Oct. 35. Transistor protector; George Fletcher Cooper. Dec. 38.

89

1962 AMPLIFIERS Feedback—head cook and bottle washer! Norman H. Crowhurst. Jan 40. High Fidelity with transistors; George Fletcher Cooper. May 22. High-quality, low-power stereo amplifier; Joseph Giovanelli. July 23. High-quality transistorized stereo preamplifier; Erhard Aschinger. I, Nov 30; II, Dec 36. High-stability feedback amplifier; Arnold J. Kauder. Oct 18. Measuring and matching tape playback and microphone amplifiers; Mannie Horowitz. Sept 42. Power supply with protection; George Fletcher Cooper. June 27. Reduction of feedthrough in audio switching; R. D. Herlocker. Feb. 28. Series Feedback; George Fletcher Cooper. Dec. 34. Taillight transistor-protector; Norman Kramer. Sept 48. The transistor amplifier; George Fletcher Cooper. Feb 23. The transistor amplifier, economy model; George Fletcher Cooper. Apr 24. Transistor output-stage response; George Fletcher Cooper. Oct 62. Transistorized 200-watt stereo amplifier; Richard S. Burwen. Nov 40. ATTENUATORS A 125.5-db 1-megacycle audio attenuator; Weaver Dodge. Dec 23. BLINDNESS and Technology; Joseph Giovanelli. Sept 68. CONTROLS Light-actuated gain control; William G. Dilley, Sept 38. EQUIPMENT PROFILES ADC Pritchard phono arm. Sept 52. AKG Model K-50 headphones. July 33. Dual TG12SK tape recorder. Dec 42. EICO RP-100 stereo tape deck kit. July 34. Electro-Voice Sentry II loudspeaker. Oct 80. EMI Model DLS-529 loudspeaker. Sept 52. Fisher KX-200 stereo amplifier kit. Mar 40. Fisher KM-60 FM-stereo tuner kit. Mar 40. Fisher Model FM-1000 FM tuner. Oct 76. Harman-Kardon stereo tuner amplifier. TA-5000X. July 49. Harman-Kardon Citation A transistorized preamplifier. Oct 75. Harman-Kardon Citation MA FM-stereo adapter. Feb 46. Heathkit Model AD-22 stereo tape recorder. Nov 62. Heathkit Model IO-21 oscilloscope. Mar 43. Isotone "Eroica" loudspeaker. Feb 48. Knight-Kit a.c. vacuum-tube voltmeter, 83YU608. June 38. Knight-Kit KX-60 50-watt transistorized amplifier. Sept 54. Koss Model SP-3 headphones. July 32. Lafayette Model KT-174 vacuum-tube voltmeter kit. Dec 46.

78

Leak "Sandwich" loudspeaker. June 36. Mark-Q-Matic recorder/slide projector synchronizer, Model MQM-1. Apr 44. Omega Model 1600 transistorized amplifier. Mar 44. Permoflux headphones, models B-DHS-28, -17, HS-8. July 32. Pickering stereo cartridge, Model U38-AT. June 38. Pilot Model 602M FM-stereo receiver. Jan 44. Pioneer Model SE-1 headphones. July 33. Rek-O-Kut Autopoise kit. Feb 48. H. H. Scott LK-48 stereo amplifier kit. Apr 40. H. H. Scott LT-110 FM-stereo tuner kit. Apr 42. H. H. Scott Model S-3 speaker system. Mar 44. Sharpe "Live Tone" headphones. July 33. Sherwood Model SR-3 loudspeaker system. Apr 44. Shure-SME phono arm. Nov 64. Shure Model M33-5 stereo cartridge. Nov 66. Telefunken Magnetophone 97 tape recorder. Jan 44. Telex Model HPD53A headphones. July 33. Thorens Model TD-135 turntable and arm. Sept 50. Transis-Tronics FM-15MX stereo tuner. Apr 47. Weathers "66" turntable and pickup system. Oct 78. FANTASY Single-speaker Apr 18.

stereo,

L.

H.

Garner;

FEEDBACK Feedback—head cook and bottle washer! Norman H. Crowhurst. Jan 40. Series Feedback; George Fletcher Cooper. Dec 34. FM TUNERS Transistorized FM front ends; C. R. Gray and T. C. Lawson. Aug 19. How to align multiplex adapters; H. Heinz. June 18. Filterless method for the detection of FMstereo signals; Theodore Bially. Jan 35. HEADPHONE control center for monaural, diotic, and binaural listening; Robert J. Larson and John M. Eargle. Nov 55. HI-FI SHOWS—Audio visits Paris for two shows; C. G. McProud, Apr. 32. HISTORICAL Anecdotal history of stereo; Russel J. Tinkham. May 35. 15 years of AUDIO; C. G. McProud. May 19. The state of the art; Norman H. Crowhurst. May 6.

LAW Essentials in the protection of trade secrets; Albert Woodruff Gray. Apr 23. LEAKAGE Inductance—a useful circuit component; Norman H. Crowhurst. Dec 24.

LOUDSPEAKERS Another word on multiple speakers; John W. Ward. Dec 19. Thirty pounds of Magnet and an 18-tnch cone; S. Robert Russell. July 19. MEASUREMENTS Audio measuring equipment; Mannie Horowitz. Jan 19. Evaluating signal-to-noise ratio; Herman Burnstein. Apr. 26. The frequency-response specification; Mannie Horowitz. Mar 24. Measuring and matching the phono equalization curve; Mannie Horowitz. Aug 24. Stereophonic test record for evaluating systems; B. B. Bauer. G. Sioles, A. Schwartz, A. Gust. Feb 18. Test equipment roundup; David Saslaw. Jan 23. MIXERS A condenser microphone mixer; William G. Dilley. Oct 48. High-quality stereophonic mixer; Robert Gerbracht. Mar 19. MOTORS Electronic speed control for hysteresissynchronous motors; Harold W. Wiebe, Apr 20. MUSICAL INSTRUMENTS Electronic organ tone generators; D. Wolkov. I, Feb 34; II, Mar 30. Extending the usefulness of the Schober Autotuner; Winthrop S. Pike. Oct 68. The Hamograph, a new approach to electronic music; J. W. Berridge. Oct 23. PHONO REPRODUCTION Measuring and matching the phono equalization curve; Mannie Horowitz. Aug 24. New turntable-arm design; Edgar Villchur. I, Sept 19; II, Oct 34. Phono curve data for Indolent engineers; Bruno Staffen and Johan van Leer. Sept 46. Setting the stage for opera; R. Katz. June 43. Vertical tracking angle—a source of IM distortion; B. R. Madsen. Nov. 21. POWER SUPPLY with protection; George Fletcher Cooper. June 27. PRODUCT PREVIEW SECTION; August issue. PSYCHOACOUSTICS Effect of phase shift on hearing; R. Klein and J. Tributsch. July 36. Prelude for the we 11-tempered clavichord, not well tempered; Harold Tornheim. Oct 42. RECORDING, DISC Inner-groove distortion; R. S. Oakley, Jr. June 32. Stereophonic test record for evaluating systems; B. B. Bauer, G. Sioles, A. Schwartz, A. Gust. Feb 18. Vertical tracking angle—a source of IM distortion; E. R. Madsen. Nov 21.

AUDIO

•

DECEMBER, 1962

RECORDING MAGNETIC A condenser microphone mixer; William G. Dilley. Oct 48. Evaluating signal-to-noise ratio; Herman Burstein. Apr. 26. High-quality stereophonic mixer; Robert Gerbracht. Mar 19. Let's talk about tape synchronization; Hal Magargle. Nov 25. Measuring and matching tape playback and microphone amplifiers; Mannie Horowitz. Sept 42. Professional tape reversing mechanism; North C. Ham, June 23.

AUDIO

•

DECEMBER, 1962

RELAYS Use of d.c. relays in home audio systems; Francis F. Chen. Sept 27. TEST EQUIPMENT ROUNDUP; David Saslaw. Jan 23. TRANSISTORS High fidelity with transistors; George Fletcher Cooper, May 22. High-quality transistorized stereo preamplifier; Erhard Aschinger. I, Nov 30; II, Dec 36.

Power supply with protection; George Fletcher Cooper. June 27. Taillight transistor-protector; Norman Kramer. Sept 48. The transistor amplifier; George Fletcher Cooper. Feb 23. The transistor amplifier, economy model; George Fletcher Cooper. Apr 24. Transistor output-stage response; George Fletcher Cooper. Oct 62. Transistorized FM front ends; C. R. Gray and T. C. Lawson. Aug 19. Transistorized 200-watt stereo amplifier; Richard S. Burwen. Nov 40.

79

1963 AMPLIFIERS Class D amplifiers; George Fletcher Cooper. June 24. Class D amplifiers—a closer look George Fletcher Cooper. I, July 24; II, Aug 23. Design of solid-state stereo power amplifier with silicon transistors; Marshall R. Myers, Jr. and Morley D. Kahn. Jan 21. High-quality transistorized stereo preamp l i f i e r ; Erhard Aschinger. III, Jan 35; IV, Feb 39; V, Mar 34. (Began Nov. 1963) High-quality transistorized tape recorder amplifier; Lee Beeder. May 17. The matched load; George Fletcher Cooper. Nov 30. Remote control with light; William G. Dilley. Nov 24. This business of heat sinks; Ronald L. Ives. Mar 26. Transistorized stereo microphone mixer; Peter A. Stark. Oct 19. AUDIO CLUBS Blueprint for an audio club; Charles K. Doty, Sr. Mar 40. BOOK REVIEW Music, Acoustics, and Architecture; Leo L. Beranek. Jan 4. BROADCAST EQUIPMENT The Auditioneer; John Whitacre. Dec 24. COLOR ORGANS Wall-projection color organ; Morris Dollens. I, Mar 19; II Apr 23. CROSSOVERS Crossover design; Norman H. Crowhurst. I, Sept 26; II, Oct 26. DISTORTION Harmonic distortion—tests and measurements; Mannie Horowitz. Oct 38. EQUIPMENT PROFILES Acoustic Research needle force gauge; Jan 46. Acoustic Research 2-speed turntable; Apr 48. Antronics electronic FM antenna, model MA-44; Nov 56. Audio Dynamics Model ADC-18 speaker system; June 46. Benjamin/Elac model 322 stereo cartridge; July 42. Dual automatic turntable, model 1009; Nov 73. Dynaco "Stereo 35" basic power amplifier; Nov 52. EICO Model ST97 FM-stereo tuner, ST70 stereo amplifier, ST84 stereo preamp; Oct 48. Empire record playing system, model 498; Oct 46. Fisher stereo receiver, model 500C; Dec 44. Fisher model SA1000 150-watt stereo power amplifier; Sept 54. Fisher model K1000 150-watt power amplifier kit; Sept 54.

66

Fisher XP4A loudspeaker system; May 42. Freeman model 660 portable tape recorder; Nov 52. Garrard automatic turntables—Model A, AT-6, Autoslim/P; May 40. Harman-Kardon "Citation A" transistorized stereo preamp k i t ; Apr 48. Heathkit transistorized stereo amplifier, model AA-21; June 44. Heathkit transistor tester, model IM-30; Dec 38. Heathkit (Thomas) transistorized electronic organ, model GD-232; Oct 44. Kenwood AM, FM, and FM-stereo receiver, model KW-40; Apr 46. Knight-Kit d.c. to 5-mc laboratory oscilloscope, model KG2000; Sept 60. Knight-Kit stereo record/play tape recorder model KP-70; May 38. Korting stereo tape recorder, model 3000; Dec 38. Lafayette 200-watt transistorized stereo power amplifier, model LA-250; Nov 54. Leak "Stereo 60" power amplifier; Jan 42. Neat stereo tonearm model GA-17; Jan 46. Neat stereo cartridge, model VS1000D; Jan 44. Norelco "Continental 100" tape recorder; Feb 50. Pickering stereo cartridges U38AT, and U38ATG with "Safe V-Guard" styli; Mar 54. Pilot FM-stereo tuner model 780; May 42. Revere/3M stereo tape cartridge system, model M-2; July 30. H. H. Scott FM-stereo tuner, model 350B; July 30. H. H. Scott FM-stereo broadcast monitor tuner, model 4310; Sept 55. Sennheiser condenser microphone, model MKH-104; Oct 50. Sherwood FM-stereo tuner, model S3000V; Dec 44. Shure Model M/99 series "Gard-A-Matic" stereo cartridges; June 51. Shure Model M222 Studio Dynetic arm and cartridge; Dec 59. Sony "Newscaster" tape recorder portable, model EM-l; Feb 48. Tandberg tape recorder, model 64; Mar 50; recheck, May 43, Tannoy 10" Dual Concentric "Monitor" loudspeaker; Sept 56. Uher "8000 Royal" stereo tape recorder; Sept 58. Weathers Universal tonearm, model MT66; June 45. FANTASY Knobs—the shame of it all; Don Nort. Aug 24. FM-STEREO Alignment and adjustment of FM-stereo tuners and adapters; C. G. McProud. Jan 26. FM-stereo reception; Jack Beever. Jan 19. FM-tuner characteristics and their relative importance; Daniel R. von Recklinghausen. I, Aug 19; II, Sept 44. Mobile FM-stereo reception; North C. Ham. Sept 21. Receivers with transistors plus tubes; William Cornell. Feb 21.

GENERAL The definition hassle—an approach to high fidelity standards; C. G. McProud. Aug 25. Hi-Fi and Electronics in .Japan; C. G. McProud. Mar 41.

LAW Knowledge and skills available upon reemployment; Albert Woodruff Gray. May 34. LOUDSPEAKERS Crossover design; Norman H. Crowhurst. I, Sept 26; II, Oct 26. Fresh approach to compact speakers; William Hecht. Mar 30. Full-range electrostatic speaker; Rolf Rennvald. June 17. Open baffle parallel-series array; R. S. Oakley, Jr. Dec 30. MEASUREMENTS Checking frequency-compensating circuits; Mannie Horowitz. May 26. Harmonic distortion—tests and measurements; Mannie Horowitz. Oct 38. Testing amplifier response with an oscilloscope; Herbert Malamud. June 34. MICROPHONES Professional condenser microphone; R. Williamson. July 17. Transistorized stereo microphone mixer; Peter A. Stark. Oct 19. MUSICAL INSTRUMENTS All-electronic method for t u n i n g organs and pianos; A. M. Seybold. I, Feb 28; II, May 20. Electronic simulation of organ sounds; Norman C. Pickering. June 21. Organs and organ music; Winthrop S. Pike. I, Oct 23; II, Nov 40. NOISE Suppressing noise in audio systems; Herman Burstein. Nov 46. PRODUCT PREVIEW SECTION August issue. RECORDING, DISC 15-deg. vertical angle—a key to better stereo sound; B. B. Bauer. Nov 21. 78-rpm stereo test record; Allan R. Keskinen. Apr 32. Vertical tracking distortion in practice; Duane H. Cooper. Sept 40. Vertical tracking improvements in stereo recording; B. B. Bauer. Feb 19. RECORDING, MAGNETIC High-quality transistorized tape recorder amplifier; Lee Beeder. May 17. REMOTE CONTROL Remote control with Dilley. Nov 24.

AUDIO

•

light;

William G.

DECEMBER, 1963

SOUND R E I N F O R C E M E N T Controlling sound-reinforcement systems; David L. Klepper. Dec 19. Sound reinforcement at Philharmonic Hall; David Saslaw. Apr 38. Sound reinforcement at the Ziegfeld; George Schimmel. July 21. TEST EQUIPMENT Alignment and adjustment of FM-stereo tuners and adapters; C. G. McProud. Jan 26. Transistorized audio voltmeter; Alex M. Schotz. Apr 19.

AUDIO

•

DECEMBER, 1963

Another transistorized voltmeter—and how to use it. C. G. McProud. Apr 42. TRANSISTORS Class D amplifiers; George Fletcher Cooper. June 24. Class D amplifiers—a closer look; George Fletcher Cooper. I, July 24; II, Aug 23. Design or solid-slate stereo amplifier with silicon transistors; Marshall R. Myers, Jr. and Morley D. Kahn. Jan 21. This business of heat sinks; Ronald L. Ives. Mar 26.

High-quality transistorized stereo preamplifier; Erhard Aschinger. III, Jan 35; IV, Feb 39; V, Mar 34. (Began Nov. 1963) High-quality transistorized tape recorder amplifier; Lee Beeder. May 17. Receiver with transistors plus tubes; William Cornell. Feb 21. Transistorized stereo microphone mixer; Peter A. Stark. Oct 19. Transistorized audio voltmeter; Alex M. Schotz. Apr 19. Another transistorized voltmeter—and how to use it. C. G. McProud. Apr 42.

67

1964 ACOUSTICS A "Purist" Tackles Room Acoustics; J. W. Linsley. April p. 19. AMPLIFIERS A Direct Approach to Q-Point Stabilization; Frank W. Brands. April p. 44. A Houseful of Hi PI; Herbert M. Honig. March p. 42. A New Triode Amplifier; Robert M. Voss and Robert Ellis. July p. 22. All Silicon Tape Playback Preamps and Recording Circuit; John Abajian and Dwight V. Jones. Oct. p. 22. Class-D for Efficiency; Peter A. Stark. Part I, June p. 23; Part II, July p. 24; Part III, Aug. p. 23. Intermodulation Distortion—Pros, Cons, and Hows; Mannie Horowitz, Jan. p. 38. Low-Cost High-Performance Volume Compressor; S. S. Andrews, Dec. p. 19. Power; Mannie Horowitz, March p. 25. The El Cheapo 2-30; R. R. Moore, Nov. p. 19. CROSSOVERS Transient Performance of Loudspeaker Dividing Networks; Robert M. Mitchell. Jan. p. 24. CURVE PLOTTING A Note on Curve Plotting; Virginia Rettinger. Sept. p. 24. DISTORTION Bad Sound Prom Great Composers; Lewis A- Harlow. Feb. p. 21. Intermodulation Distortion—Pros, Cons, and Hows; Mannie Horowitz. Jan. p. 38. Reducing Distortion in Stereo Phonograph Systems; J. G. Woodward, Part I, Feb. p. 23; Part II, March p. 28. Transient Generators for Audio Testing; John L. Grauer, Sept. p. 22. EQUIPMENT PROFILES Acoustic Research ADC Loudspeaker, Brentwood 303A; Nov. p. 68. ADC Stereo Pickup, Point Four; March p. 52. Altec Lansing Stereo Amplifier Model 360A; April p. 40, Ampex Stereo Tape Recorder Model 2070; Sept. p. 46. Barker & Williamson Audio Oscillator Model 210; July p. 32. Barker & Williamson Distortion and A.C. Volt Meter Model 410; Sept. p. 46. Bell Solid-State Receiver Imperial 1000; May p. 46. Bogen Cipher Denon 8000 Tape Recorder; Jan. p. 46. Clark Stereo Headphones Model 100; Feb. p. 40. Concord Tape Recorder Model 884; March p. 50. Dynaco—B & O Stereo Ribbon Microphone Model 200; June p. 37. Dynaco Stereo Control Amplifier SCA-35; March p. 52. EICO IM-Harmonic Distortion Meter Model 902W; Feb. p. 40. Electro-Voice Microphone Model 644; Oct. p. 112.

76

Electro-Voice Speaker System Model Six; April p. 42. Empire Stereo Pickup Model 880-P; April p. 63. Fisher 3-Way Speaker System Model XP-10; March p. 54. Furn-a-Kit Equipment Cabinet Kit 2600 Series; March p. 56. Goodmans Loudspeaker System Maximus 1; Nov. p. 66. Harman-Kardon 1000 Series Tuner and Amplifier F1000T, A1000T; June p. 37. Harman-Kardon Transistorized Stereo Receiver Model SR-900; Oct. p. 88. Heathkit Regulated Power Supply Model IP-20; Sept. p. 48. James B. Lansing "Olympus" Speaker System Model C-50; June p. 37. Magnecord Stereo Tape Recorder Model 1024-HF; Nov. p. 66. McIntosh FM-Stereo Tuner Model MR67; Feb. p. 38. OKI Stereo Tape Recorder Model 555; Oct. p. 90. PML Condenser Microphone Model EC-61; March p. 56. RCA Ribbon Microphone Model SK-46; July p. 34. H. H. Scott FM-Stereo Tuner-Amplifier Model 340-B; Jan. p. 45. H. H. Scott Solid-State FM-Stereo Tuner Model 312; July p. 32. Shure Stereo Cartridge V-15, May p. 48. Stanton Stereotable System, Model 800B Jan. p. 44. Thorens Automatic Turntable TD-224; May p. 48. Uher Portable Recorder Model 4000 Report-S; April p. 38. Weathers FANTASY Basic Questions and Answers; Christopher Faye. Feb. p. 36. Hi Fi and the British; Alan Watling. June p. 53. Hi Fi and the British: Privacy; Alan Watling. Sept, p. 38. FM A Solid-State Ultra-Linear Wideband FM Demodulator; Ralph Glasgal. May p. 25. A Transistor FM Squelch; K. E. Springer. March p. 21. Tuner Alignment for Quality FM Reception; Arthur L. Boynton. July p. 19.

GENERAL Bad Sound From Great Composers; Lewis A. Harlow. Feb. p. 21. IITRI; R & D for the Tape Industry; Robert Angus. Sept. p. 26.

LAW Freedom of Speech, Sound Trucks and the Constitution; Albert Woodruff Gray. April p. 32. Tape Recorders and the Copyright Law; Eric Darmstaedter. May p. 50. LOUDSPEAKERS An Engineer Looks at Exponential Horns; W. A. Dodge. Nov. p. 30. Automatic Speaker Connector; Ronald L. Ives. Sept. p. 19.

Central-versus-Distributed Loudspeaker Systems; David L. Klepper, June p. 19. Techniques of Making Live-versus-Recorded Comparisons; Edgar Villchur. Oct. p. 34. Telstar-Shaped Electrostatic Speakers; R. J. Matthys. Part I, May p. 19; Part II, June p. 23. Ton-and-a-Quarter of Sound; Walter Wysoczanski. Jan. p. 19. Transient Performance of Loudspeaker Dividing Networks; Robert M. Mitchell. Jan. p. 24. MICROPHONES A Ribbon Microphone for Stereo; E. R. Madsen. April p. 26. MUSICAL INSTRUMENTS An All-Electronic Method for Tuning Organs and Pianos; A. M. Seybold. Part III, March p. 22. (Parts I and II appeared in 1963.) An Electronic Organ Design; Winthrop S. Pike. Part I, Oct. p. 19; Part II, Nov. p. 24. Electronic Organ Tone Coloring. D. Wolkov Dec. p. 25. RECORDING A Note on Curve Plotting; Virginia Rettinger. Sept. p. 24. A Re-Recording Filter; H. E. Riekels, Jr. Feb. p. 35. All Silicon Tape Playback Preamps and Recording Circuit; John Abajian and Dwight V. Jones. Oct. p. 22. Low-Cost High-Performance Volume Compressor; S. S. Andrews, Dec. p. 19. Master Timer; William G. Dilley. Feb. p. 19. Recording a Community Music Festival; Gil Daney. March p. 19. Recording the Muse on Tape; Arthur C. Matthews, Dec. p. 21. Reducing Distortion in Stereo Phonograph Systems; J. G. Woodward. Part I, Feb. p. 23; Part II, March p. 28. Stereo Disc Recording Comes of Age; Duane H. Cooper. Jan. p. 30. Techniques of making Live-versus- Recorded Comparisons; Edgar Villchur. Oct. p. 34. The Elliptical Stylus; J. Kogen and R. Samson. May p. 33. Tape Recorders and the Copyright Law; Eric Darmstaedter. May p. 50. The RCA Victor "Dynagroove" System; Harry F. Olson. Part I, Nov. p. 22; Part II, Dec. p. 44. RELAYS

Automatic Speaker Connector; Ronald L. Ives. Sept. p. 19. Very Low Voltage Relay Operation. Ronald L. Ives. Jan. p. 36. REMOTE CONTROL Automatic Speaker Connector; Ronald L. Ives. Sept. p. 19. Controlling Sound-Reinforcement Systems Automatically; David Klepper. April p. 22. Very Low Voltage Relay Operation. Ronald L. Ives. Jan. p. 36.

AUDIO

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DECEMBER, 1964

SOUND REINFORCEMENT A Basic Course In Commercial Sound; Norman Crowhurst. Chap. I, April p. 33; Chap. II, May p. 41; Chap. III, June p. 33; Chap. IV, July p. 28; Chap. V, Aug. p. 19; Chap. VI, Sept. p. 35; Chap. VII, Oct. p. 75; Chap. VIII, Nov. p. 43; Chap. IX, Dec. p. 38. Central-versus-Distributed Loudspeaker Systems; David L. Klepper. June p. 19. Controlling Sound-Reinforcement Systems Automatically; David Klepper. April p. 22.

AUDIO

•

DECEMBER, 1964

TEST EQUIPMENT Intermodulation Distortion—Pros, Cons, and Hows; Mannie Horowitz. Jan. p. 38. Power; Mannie Horowitz. March p. 25. Transient Generators for Audio Testing; John L. Grauer. Sept. p. 22.

TRANSISTORS A Direct Approach to Q-Point Stabilization; Frank W. Brands. April p. 44,

A Solid-State Ultra-Linear Wideband FM Demodulator; Ralph Glasgal. May p. 25. A Transistor FM Squelch; K. E. Springer. M a r c h p. 21. All Silicon Tape Playback Preamps and Recording Circuit; John Abajian and Dwight V. Jones. Oct. p. 22. Class-D for Efficiency; Peter A. Stark. Part I, June p. 23; Part II, July p. 24; Part III, Aug. p. 23. The El Cheapo 2-30; R. R. Moore. Nov. p. 19.

77

1965 AMPLIFIERS A La Pi-Mode, George Fletcher Cooper. March p. 19 Calibrated Stereo Control Unit, Raphael F. Ehat. Part 1, April p. 30; part 2, May p. 26; part 3, June p. 23; part 4, July p. 22 Development of a Pulse Modulated Audio Amp, Norman H. Crowhurst. Part 1, Sept. p. 19; part 2, Oct. p. 32; part 3, Nov. p. 36; part 4. Dec. p. 36 Effect of Power Line Variation on LowFrequency Operation of Amplifiers, George Lehsten. Feb. p. 22 Matrixing Amplifier for 2-Channel Stereo Signals. Wayne B. Denny. Jan. p. 19 Portable Console for Broadcast or Discotheque, John Whitacre. May p. 19 Simple Transistor Driver for Stereo Headphones, Fred D. Clapp. Aug. p. 26 Transistor Output Stages, George Fletcher Cooper. Oct. p. 58. CONTROLS Characteristics of Shunted Potentiometers, Ronald L. Ives. Feb. p. 19 EQUIPMENT PROFILES Acoustech III Solid-State Power Amplifier; Feb. p. 48 Altec 604E Speaker System; June p. 36 Altec 844A Monitor Speaker System; Dec. p. 50 Benjamin Stereo 200 Phono Playback System; Feb. p. 48 Bogen B-62 Integrated Turntable; May p. 34 Concord R-2000 Tape Recorder; March p. 40 Dual 1010 Automatic Record Player; Feb. p. 42 EICO 250 Wideband A.C. VTVM; Dec. p. 48 EICO 3566 Solid-State FM-Stereo Receiver; May p. 44 Empire 888-P Stereo Cartridge; Oct. p. 74 Fisher 600T Solid-State Stereo Receiver; March p. 39 Garrard Lab 80 Automatic Turntable; March p. 38 Grado Type A Stereo Cartridge; July p. 33 Heathkit AJ43 AM/FM Stereo Tuner; Jan. p. 35 JBL SG 520 Solid-State Stereo Preamplifier; Jan. p. 34 JFD LPL-FM 10 FM Antenna; Jan. p. 50 KLH Eighteen FM-Stereo Tuner; June p. 35 KLH Sixteen Stereo Amplifier; June p. 35 KSC-3 360-deg. Speaker System; Oct. p. 74 Kenwood KW-550 FM-Stereo Tuner; July p. 30 Knight-Kit KG-870 Transistor Stereo Amplifier; March p. 51 Marantz Model 10B FM-Stereo Tuner; April p. 32

68

Mattes SSP-200 Solid-State Power Amplifier; Nov. p. 53 McIntosh MR-71 FM-Stereo Tuner; Feb. p. 42 McIntosh C-24 Solid-State Stereo Preamplifier; Feb. p. 44 Network Spark Injector; Feb. p. 46 Neumann U-64 Condenser Microphone; Sept, p. 42 Oki 333 Stereo Tape Recorder; July p. 32 Perpetuum Ebner PE-34 Integrated Turntable; Jan. p. 34 Kos/Rek-O-Kut R-34 Integrated Turntable/arm; July p. 32 Scott 260 Solid-State Amplifier; May p. 32 Scott 2300 Stereo Phono and Stereo-FM Playback System. Dec. p. 48 Sherwood S-9900 Solid-State Amplifier; Sept. p. 42 Shure M55E Stereo Cartridge with Elliptical Stylus; Nov. p. 69 Shure Solo-Phone Headphone Amplifier; Sept p. 44 Sony/Superscope 250A Stereo Tape Recorder; Oct. p. 72 Viking 96/RP 120 Stereo Tape Deck; Nov. p. 52 Whitecrest W-2 Speaker System; Nov. p. 54 FM A New Look at FM, Harry E. Maynard. Feb. p. 36 FUN AND FANTASY Calculus Made Difficult, Daniel R. Butterly. June p. 42 Hi Fi and the British: Exhibitionism, Alan Watling. Oct. p. 28 HIGH FIDELITY SHOWS Hi Fi and the British: Exhibitionism, Alan Watling. Oct. p. 28 INSTALLATIONS Educated Audio System, Gerard Strang. July p. 26 Languages and the Language Laboratory, Harold D. Weiler. Dec. p. 19 Law Licensing of Television Service; Albert Woodruff Gray, Oct. p. 26 MICROPHONES A "New" Ribbon Microphone, Charles P. Fisher. Aug. p. 19 The Improbable Optical Microphone, Virginia Rettinger. Sept. p. 29 MUSICAL INSTRUMENTS Shaping Electronic Organ Envelopes, D. Wolkov. Jan. p. 24 Special Electronic Organ Tone Sources, D. Wolkov. Feb. p. 30 Sound Reproducers for Electronic Organs, D. Wolkov. March p. 30 PHONO CARTRIDGES Evaluating the Performance of Hi-Fi Stereo Phono Cartridges, James H. Kogen. Nov. p. 21 RECORDING Application of Stereo Dual-Track Techniques to Lecture Recording, C. B. Hagen. Nov. p. 19

Are Tapes Long Lived? John T. Mullin. June p. 19 Converting the Uher 4000-S to Stereo Playback, C. G. McProud. Oct. p. 19 Tape Duplication at Ampex. Ed Zdobinski. Dec. p. 22 Languages and the Language Laboratory, Harold D. Weiler. Dec. p. 19 Microphone Amplifier and Coupling Unit for the Stereo-Modified Uher 4000-S, C. G. McProud. Nov. p. 26 New Tape Types, Larry Zide. Dec. p. 23 Recording Without Microphones, Robert Hazelleaf, May p. 24 Solid-State Limiter for Tape Recording, Wayne B. Denny and James Young. Sept. p. 30 SPEAKERS AND SPEAKER SYSTEMS Acoustic Resistance Damping for Loudspeakers, John L. Grauer. March p. 22 Bass Transfusion for Little Speakers. Bill Yaeger and Roger Hull. June p. 21 Loudspeaker Directional Characteristics, David Klepper. Sept. p. 23 Protecting Speakers Against Overload, K. F. Russell. Sept. p. 36 The Wooden Monster, C. William Phillips. Oct. p. 48 SOUND REINFORCEMENT A Basic Course in Commercial Sound, Norman Crowhurst. Chapter 10. Jan. p. 28 The Chrysler Pavilion, William R. Farrell and David Klepper. April p. 28 Reversible Sound Systems, Abraham B. Cohen. June p. 30 Sound at the Fair. Martin Dickstein. April p. 19 Temporary Sound Amplification Systems, David Klepper. Part 1, Jan. p. 23; part 2, Feb. p. 23 World's Fair Outdoor Sound System, Arthur W. Schneider. April p. 26 The Vatican Pavilion, R. T. Bozak. April p. 24 TEST EQUIPMENT Putting Junkbox Meters to Work, Donald R. Hicke. Aug. p. 22 Solid-State Wien-Bridge Audio Oscillator, I. C. Zero. July p. 19 TRANSISTORS Development of a Pulse Modulated Audio Amp, Norman Crowhurst. Part 1, Sept. p. 19; part 2, Oct. p. 32; part 3, Nov. p. 36; part 4, Dec. p. 36 The Languad Expert Goes Solid-State, George L. Augspurger. Sept. p. 32 Simple Transistor Driver for Stereo Headphones, Fred D. Clapp. Aug. p. 26 Solid-State Limiter for Tape Recording, Wayne B. Denny and James Young. Sept. p. 30 Transistor Output Stages — Distortion and Driver Impedance, George Fletcher Cooper. Oct. p. 58 Transresistance Method for Approximating Linear Transistor Circuit Operation. R. R. Moore. July p. 25

AUDIO

•

DECEMBER, 1965

AMPLIFIERS An Amplifier for the Armchair Listener, R. E. Baird. Nov. p. 38 High Input Resistance with Stability, L. D. Smithey. March p. 28 High-Quality Phono Preamp with FET's, William A. Rheinfelder. Nov. p. 26 King-Size Quarter Horsepower Stereo Amplifier, Robert M. Voss and Robert Kllis. Oct. p. 23 Power Amplifier Overload Characteristics and their Importance, R. A. Greiner, June p. 19 Push-Pull Drive from a Split-Load Stage, George Fletcher Cooper. Jan. p. 19 AUDIO MEASUREMENT Audio Measurements Course, Norman H. Crowhurst, Part I, Jan. p. 28; part 2, Feb. p. 54; part 3, March p. 66; part 4, April p. 26; part 5, May p. 23; part 6 July p. 28; part 7, Aug. p. 20; part 8, Sept. p. 26; part 9, Oct. p. 90; part 10, Nov. p. 52; part 11, Dec. p. 28 Simulated 'Live vs. Recorded' Test for Loudspeakers, Edgar A. Villchur. Nov. p. 33 Test Instruments and the Audio Buff, Herman Burstein. Feb. p. 23 Test Tape for Checking Head Position, C. G. McProud. Feb. p. 46 CONSTRUCTION PROJECTS Adjustable SCR Speaker Protection, Ronald L. Ives. Aug. p. 19 A Capacitor Microphone System Using Semiconductor Devices. Robert B. Schulein. Oct. p. 104 High-Quality Phono Preamp with FET's, William A. Rheinfelder. Nov. p. 26 King-Size Quarter Horsepower Stereo Amplifier, Robert M. Voss and Robert Ellis. Oct. p. 23 Putting Junkbox Meters to Work—II, Donald R. Hicke. Jan. p. 22 Solid-State Flutter Meter, Arthur E. Gladfelter. Part 1, March p. 19; part 2, April p. 19; part 3, May p. 39; part 4, June p. 38 Sound Actuated Color Display, Colin Shakespeare. Sept. p. 17 Test Tape for Checking Head Position, C. G. McProud. Feb. p. 46 CONTROLS High-Quality Phono Preamp with FET's, William A. Rheinfelter. Nov. p. 26 A Switch-Type Tone Control, Marshall K. Steele. June p. 24

74

DISC PLAYBACK The Servo Groove Tracker, Arthur G. Johnson. May p. 21 Trackability, James H. Kogen. Nov. p. 19; Dec. p. 26 Tracking Error Determinization and Minimization, T. J. Celi. July p. 26 EQUIPMENT PROFILES Acoustech XI-P/M Integrated Amplifier Kit. July p. 35 ADC Six Hundred Stereo Receiver. March p. 76 BSR McDonald 500 Automatic Turntable. Nov. p. 42 Dual 1019 Automatic Turntable. May p. 48 Empire Grenadier 8000P Speaker System. April p. 44 Euphonics CK-15-LS Cartridge System. June p. 35 Fisher TFM-1000 FM Stereo Tuner. Oct. p. 12 Grado Model B Stereo Cartridge. March p. 76 Harman-Kardon SC-440 Compact System. Jan. p. 63 Hartely 220MS Holton Sr. Speaker System. Feb. p. 52 Heathkit AR-14 Stereo Receiver. March p. 84 Heathkit GR-25 Color TV Set. May p. 46 Heathkit IG-112 FM-Stereo Generator. Feb. p. 48 Heathkit IO-14 Oscilloscope. Sept. p. 38 JBL SA 600 Integrated Amplifier. Sept. p. 38 KLH Twenty Compact System. Oct. p. 127 Knight-kit KG 415 Stereo Tape Recorder. Jan. p. 48 Marantz SLT-12 Integrated Turntable. Sept. p. 36 Marantz 7T Stereo Preamplifier. June p. 34 Ortofon S-15 Stereo Cartridge. Oct. p. 14 Pilot R 1100 Stereo Receiver. April p. 42 Pioneer ER-420 Stereo Receiver. Dec. p. 38. Revox G 36 Tape Recorder. Feb. p. 50 Scott 342 Receiver and S-8 Speakers. May p. 52 Sherwood S-8800 FM Stereo Receiver. Nov. p. 40 Sonotone RM-1F Speaker System kit. Jan. p. 50 Sony 2010 VTR and VCK-2000 Camera. May p. 50; Amplifiers, turntable, arm, and cartridge. Dec. p. 34

Stanton 581EL Stereo Cartridge. Nov. p. 41 Syncron S-10 Microphone. June p. 34 Thorens TD 124 II and TD 150 Turntables. June p. 36 Uher 9000 Stereo Tape Deck. April p. 44 University Mediteranean Speaker System, July p. 36 UTC Maximus 7 Speaker System. Jan. p. 48 Viking 880 Stereo Tape Recorder. July p. 34 EXHIBITIONS AES Convention Papers. Sept. p. 30 London Show Section. March p. 33 N. Y. High Fidelity Music Show List of Exhibitors. Oct. p. 100 Report on the London Show, C. G. McProud. July p. 24 EXPERIMENTATION AND THEORY Can We Hear Phase? Yes! No!, R. A. Greiner. Oct. p. 54 The Finite Approach to the Infinite, Norman H. Crowhurst. June p. 25 Intimations of Irresponsibility: Circuits for Speculation. George Fletcher Cooper. April p. 36 The Servo Groove Tracker, Arthur G. Johnson. May p. 21 FM-STEREO An FM-Stereo Antenna Primer, Walter G. Wohleking, Part 1, July p. 19; part 2, Aug. p. 24; part 3, Sept. p. 21; part 4 Oct. p. 28 FUN AND FANTASY Hi-Fi and the British-Salesmanship, Alan Watling. March p. 53 Warning for Wives in Stereophonic Sound, Carolyn Howard Johnson. April p. 23 INSTALLATION AND DECOR Room Design for Stereo Music, Michael Rettinger. April p. 24 Sound Activated Color Display, Colin Shakespeare. Sept. p. 17

LAW Patent Infringement Forfeited by Delay, Albert Woodruff Gray. Aug. p. 26 MICROPHONES A Capacitor Microphone System Using Semiconductor Devices, Robert B. Schulein. Oct. p. 104 An Improved Omnidirectional Microphone, Harold S. Mawby. Jan. p. 38

AUDIO

•

DECEMBER,

1966

MUSIC Can We Hear Phase? Yes! No!, R. A. Greiner. Oct. p. 54 An Integrated Complex-Tone Generator for Electronic Music, Robert C. Ehle. Oct. p. 81 SOUND REINFORCEMENT Evaluation of Artificial Reverberation to Conventional Sound Installations, George S. Lehsten. Feb. p. 44; May p. 19 SPEAKERS Adjustable SCR Speaker Protection, Ronald L. Ives. Aug. p. 19 Simulated 'Live vs. Recorded' Test for

AUDIO

•

DECEMBER, 1966

Loudspeakers, Edgar A. Villchur. Nov. p. 33 TAPE RECORDING Christmas Is For Tape Recorders, C. G. McProud. Dec. p. 22 The Early Flutter Spoils the Recording, Lewis A. Harlowe. Dec. p. 19 Tape Recorder Compendium. Dec. p. 51 The Why's and How's of Tape Splicing, Joel Tall. Dec. p. 24 TEST EQUIPMENT Audio Test Equipment Compendium. Feb. p. 27 Putting Junkbox Meters to Work—II, Donald R. Hicke. Jan. p. 22

Solid-State Flutter Meter, Arthur E. Gladfelter. Part 1, March p. 19; part 2, April p. 19; part 3, May p. 39; part 4, June p. 38 Baird, R. E. An Amplifier for the Armchair Listener. Nov. p. 38 Burstein, Herman Test Instruments and the Audio Buff. Feb. p. 23 Celi, T. J, Tracking Error Determinization and Minimization. July p. 26 Cooper, George Fletcher Push-PulI Drive from a Split-Load Stage. Jan. p. 19

75

EXHIBITIONS Thirty-Third Convention, Audio Engineering Society, List of Exhibitors, Technical Papers. Oct. p. 98 New York High Fidelity Music Show, Seminar Schedule. Oct. p. 115 Here Come the '68s, (N. Y. Hi Fi Show) Arthur P. Salsberg, Oct. p. 25 FM TUNERS

AMPLIFIERS Build a Mixer-Meter Amplifier, Hal Magargle. Dec. p. 23 BROADCASTING Musical Broadcasting in the 19th century, Elliott Sivowich. June, p. 19 CONSTRUCTION PROJECTS Build a Mixer-Meter Amplifier, Hal Magargle. Dec. p. 23 Build a Solid-State Stereo Limiter, Wayne B. Denny. Sept. p. 25 Convert your Audio Analyzer to Stereo, William B. Eraser. Nov. p. 26 End-Table Loudspeaker, C. G. McProud. April, p. 19 Transistorized Square- and TriangularWave Generator, Winthrop S. Pike. June, p. 24 CONTROLS Professional Tone Controls, Arthur C. Davis and Don Davis. Pt. 1, Feb. p. 27; Pt. 2, Mar. p. 36; Pt. 3, May, p. 60 DECIBELS Get to Know the dB Better, George H. R. O'Donnell. June, p. 44 DECOR Decorating with Stereo Hi-Fi. July, p. 35 Sound and Decor Styles, Jerry Joseph. Nov. p. 21 DIRECTORIES Annual Product Preview. Aug. p. 24 Loudspeaker Compendium. Apr. p. 38 Record Player Compendium. Mar. p. 26 Tape Recorder Directory. Dec. p. 34 ELECTRONIC MUSICAL INSTRUMENTS A Twelve-Tone Tuner, James B. Hays. Jan. p. 19 EQUIPMENT PROFILES AKG Two Way Cardioid Microphone, Model D-200E, Dec. p. 83 Altec A7-500 Loudspeaker System. Jan. p. 34 Beyer Stereo Headphones, Model 48S, Apr. p. 51

87

Concertone A.C./Battery-Powered Tape Recorder, Model 770. Sept. p. 48 Dynaco Solid-State Power Amplifier, Model Stereo 120, Apr. p. 50 Dynaco PAS-3X Stereo Preamplifier, Apr. p. 50 Dynaco PAT-4 Stereo Preamplifier, Dec. p. 60 EICO Multiplex Generator, Model 342. Jan. p. 35 Elac Stereo Cartridge, Model STS-322. Nov. p. 76 Electro-Voice Dynamic Microphones, Models 635A, 667A, and 636. Oct. p. 84 Fisher XP-55 Speaker System. July, p. 38 Heathkit "Magnecord" Tape Recorder, Model AD-16. July, p. 36 Heathkit Solid-State Receiver, Model AR-15. May, p. 76 IMC Boxer Fan. Feb. p. 58 Kenwood Stereo Receiver, Model TK-55. Nov. p. 50 Knight-Kit Integrated Amplifier and Stereo Tuner, Models KG-895 and KG-790, Feb. p. 56 Knight-Kit Triggered Scope, Model KG2100. Nov. p. 56 Leak "Mini-Sandwich" Loudspeaker System, June, p. 50 Marantz Stereo Amplifier, Model 15. Jan. p. 32; Addendum, Mar. p. 50 Miracord Automatic Turntable, Model PW-50H. Sept. p. 46 Norelco "Carry Corder," Model 150. June, p. 49 Ortofon Stereo Phono Cartridge. Model SL-15, Sept. p. 44 Pioneer Stereo Receiver, Model SX-1000 TA. June, p. 46 H. H. Scott Speaker System, Model S-11. Mar. p. 50 Sharpe Stereo Headphones, Model PRO660, July, p. 38 Sherwood FM Stereo/AM Receiver, Model S-7600-FET. Oct. p. 80 Shure Microphone Mixer, Model M68. June, p. 50 Shure Stereo Cartridge, Model V-15 II. Feb. p. 58 Superex Stereo Headphones, Model STPRO. May, p. 80 University Compact Speaker System, Model "Ultra-D." May, p. 80 Wharfedale Compact Speaker System, Model W-20. Mar. p. 52

ABZ's of FM: Tuner Measurements, Leonard Feldman. Oct. p. 58 ABZ's of FM: Secondary Tuner Measurements, Leonard Feldman. Nov. p. 32 ABZ's of FM: FM Stereo Measurements; Leonard Feldman. Dec. p. 52 Third Generation Hi-Fi, Lawrence W. Fish Jr. Jan. p. 26 HEADPHONES Forum on Headphones and Microphones, Arthur P. Salsberg. Pt. 1, July, p. 20; Pt. 2, Aug. p. 17 HISTORICAL Musical Broadcasting in the 19th Century, Elliott Sivowich. June, p. 19 20 Years of AUDIO. C. G. McProud. May, p. 25 HI-FI INDUSTRY What the Next 20 Years Will Bring, Industry Executives. May, p. 44 INTEGRATED CIRCUITS Third Generation Hi-Fi. Lawrence W. Fish, Jr. Jan. p. 26 LIMITERS Build a Solid-State Stereo Limiter, Wayne B. Denny. Sept. p. 25 LOUDSPEAKERS End-Table Loudspeaker, C. G. McProud. Apr. p. 19 Inside an Electrostatic Speaker. Sept. 32 Loudspeaker Compendium, Apr. p. 38 Forum on Loudspeakers, Larry Zide. Apr. p. 28 Loudspeaker Directional Characteristics, David L. Klepper. Apr. p. 22 MEASUREMENTS Audio Measurements Course, Norman H. Crowhurst. Pt. 12, Jan. p. 36; Pt. 13, Feb. p. 36; Pt. 14, Mar. p. 44; Pt. 15, Apr. p. 44; Pt. 16, May, p. 44; Pt. 17, June, p. 34; Pt. 18, July, p. 26 Convert Your Audio Analyzer to Stereo, William B. Fraser. Nov. p. 26 FM Stereo Measurements; Leonard Feldman. Dec. p. 52 FM Tuner Measurements, Leonard Feldman. Oct. p. 58 Secondary FM Tuner Measurements; Leonard Feldman, Nov. p. 32 Transistorized Square- and TriangularWave Generator; Winthrop S. Pike. June, p. 24

AUDIO • DECEMBER 1967

MICROPHONES Microphones for Sound Reinforcement Systems, Arthur C. Davis and Don Davis. Dec. p. 64 MUSIC PERSONALITIES Jazz in Greenwich Village, Larry Zide. Feb. p. 42 Robert Preston says: I was raised on Red Seal Records, Larry Zide. May, p. 38 Jimmy Rushing and Dickie Wells Reunite, Bertram Stanleigh. Oct. p. 76 Isaac Stern and his Music, Leonard Silke. June, p. 30 MUSIC & RECORDINGS Electronic Organ "Demo" Records, Edward T. Canby. Nov. p. 60 Jimmy Rushing and Dickie Wells Reunite, Bertram Stanleigh. Oct. p. 76 King of Instruments, Edward T. Canby. Dec. p. 70 The Mothers, Bertram Stanleigh. Nov. p. 66 Pop Meet Classic, Edward T. Canby. Oct. p. 64 Sounds of the South, Bertram Stanleigh, Dec. p. 76 RECORD PLAYERS/CARTRIDGES Program Your Listening for Up to Thirty Hours, C. G. McProud. Mar. p. 32 Record Player Compendium. Mar. p. 26 Skating Force—Mountain or Molehill? R. S. Oakley, Jr. Mar. p. 40 Skating-Force Phenomenon, James H. Kogen. Pt. 1, Oct. p. 53; Pt. 2, Nov. p. 38 Tracking Capability of Phonograph Pickups, J. G. Woodward. Mar. p. 19 SOUND REINFORCEMENT Microphones for Sound Systems, Arthur C. Davis Pt. 1. Dec. p. 80 Sound Reinforcement in Martin L. Borish. Sept. p.

Reinforcement and Don Davis. Concert Halls, 30

SYSTEMS Decorating with Stereo Hi-Fi. July, p. 35 Installation Profile. Dec. p. 32 Youth's Pre-College Project. Jan. p. 28 TAPE

RECORDING

Automobile Tape Cartridges, Larry Zide. May, p. 66 Build a Mixer-Meter Amplifier, Hal Magargle, Dec. p. 23 Build a Solid-State Stereo Limiter, Wayne B. Denny. Sept. p. 25 New NAB Magnetic Tape Standards, Herman Burstein. Pt. 1, July, p. 17; Pt. 2, Aug. p. 22; Pt. 3, Sept. p. 38; Pt. 4, Oct. p. 92; Pt. 5, Nov. p. 44; Pt. 6, Dec. p. 48 Tape Recorder Directory. Dec. p. 34 Why Look-Alike Recorders Can Be $$$ Apart, Herman Burstein. Dec. p. 26

AUDIO • DECEMBER 1967

88

Sound & Decor Styles (a series) Feb. p. 6; Apr. p. 36; May p. 61; July p. 32; Oct. p. 42; Dec. p. 68. DIRECTORIES ACOUSTICS A Creek Theatre (circa 1968), Don Davis. Sept. p. 30. Small Music Rooms, Michael Rellinger. Oct. p. 25. Altec Acousta Voicing, Don Davis. Nov. 21; Dec. p. 36. AMPLIFIERS Electronic Crossover Networks Revisited, C. G. McProud. July p. 21. How to Build a Three-Channel Electronic Crossover. C. G. McProud. Feb. p. 19. Letters and corrections, Apr. p. 10. How Negative Feedback Affects Amplifier Performance, Norman H. Crowhurst. I, Feb. p. 38; II, Mar. p. 30; III, Apr. p. 42; IV, May p. 30; V, June p. 32. The Truth About Stereo Power Amplifier Ratings. Ralph Hartz and Fred Kamp. Apr. p. 19. BACKGROUND MUSIC SCA—Private Music On Public FM, Leonard Feldman. Sept. p. 23. How to Build a Background Music Adapter, Leonard Feldman. Oct. p. 34. BASIC HI-FI Expand Your Hi-Fi Reference Library. Dec. p. 18. 20 Most-often-asked Questions on Hi-Fi, Leonard Feldman. Dec. p. 28. BROADCAST STUDIOS Audio Testing in, Fred L. Zellner. Nov. p. 54. CONSTRUCTION Build A Presence Control, Al Fanning. Dec. p. 60. Build a Background Music Adapter, Leonard Feldman. Oct. p. 34. Build a Sheet-Metal Reverberator, Robert Ehle. Apr. p. 28. Custom Home Stereo Installation, Michael J. Curry. June p. 24. Electronic Crossover Networks Revisited, C. G. McProud. July p. 21. Further Advenures of a Sound Purist, John W. Linsley Jan. p. 19. Hello (Equipment) Dolly, James P. Holm. June p. 28. How to Build a Low-Voltage Remote OnOff Switch, L, B. Keim. Aug. p. 21. How to Build a Three-Channel Electronic Crossover, C. C. McProud. Feb. p. 19. Letters and corrections, Apr. p. 10. DECOR Custom Home Stereo Installation, Michael J. Curry. June p. 24. Eye-Fidelity, Jerry Joseph. Oct. p. 44.

86

Product Preview, Annual. August issue. Professional Directory. Nov. p. 38. Speaker System Buying Guide. Mar. p. 42. ELECTRONIC ORGANS How Organs Work, Norman H. Crowhurst, Sept. p. 26. How They Produce Dfferent Sounds, Norman H. Crowhurst, Oct. p. 52. How Constructed, Norman H. Crowhurst, Nov. p. 76. Voicing Methods, Norman H. Crowhurst, Dec. p. 64. EQUIPMENT PROFILES AKG Stereo Headphones. July, p. 40. AR Integrated Stereo Amplifier. Apr. p. 54. AR Speaker System, AR-3a. Oct. p. 72. Altec 711B FM Stereo Receiver. Sept. p. 40. Ampex Micro 85 Stereo Cassette Recorder/ Player. Mar. p. 60. BSR McDonald 600/M44E "Total Turntable." June, p. 40. Benjamin 1050 Compact Music System. Oct. p. 74. Bose 901 Speaker Systems [see "Behind the Scenes," Dec. p. 10.] Crown CX-822 Professional Tape Recorder. Apr. p. 48. Dual 1015 Automatic Turntable. Sept. p. 46. Electro-Voice RE-15 Dynamic Cardioid Microphone. Mar. p. 64. Electro-Voice Five-A Loudspeaker System. Sept. p. 42. Elpa PE-2020 A u t o m a t i c Turntable. May, p. 42. Erath Models I and VI Loudspeaker Systems. Nov. p. 60. Fisher 200T FM Stereo Receiver. July, p. 36. Garrard SL95 Automatic Turntable. Apr. p. 57. Hammond M100 Condenser Microphones. Jan. p. 46. Harman-Kardon Five-Twenty FM Stereo Receiver. May, p. 34. Heathkit TOA-67-1 Organ "Bandbox." July, p. 42. JBL SE400S "Energizer" Stereo Power Amplifier. Dec. p. 54. Jensen TF-3B Bookshelf Speaker System. June, p. 42. KLH Twelve Loudspeaker System. July,

H. H. Scott 2504 and 2505 Compact S t e r e o Music Systems. Mar. p. 54. H. H. S c o t t L T - 1 1 2 - B - 1 Stereo FM Tuner K i t . Nov. p. 72. Shure SM-60 Dynamic Microphone. Sept. p. 49. Shure M75-E Stereo Phono Carl ridge. Feb. p. 44. Shure 330 Super Cardioid Ribbon Microphone. Sept. p. 50. Sony/Superscope 230 Tape Recorder. May, p. 38. Sony Corp. of A m e r i c a STR-6060FW AM/ FM Stereo Receiver. Dec. p. 44. Sony Corp. of America TA-2000 S t e r e o Preamplifier. D e c . p. 46. Stanton 681EE Stereo Phono Cartridge. Dec. p. 48. Switchcraft 307TR Portable Mixer. Feb. p. 50. TEAC A-4010S Stereo Tape Recorder. Dec. p. 50. Telex Amplitwin Stereo Headphone/Amplifier. Feb. p. 46. Telex Serenata Stereo Headphones. Feb. p. 48. Telex-Viking 433 Stereo Tape D e c k . Nov. p. 68. University Studio-Pro 120 FM Stereo Receiver. Jan. p. 40.

EXHIBITIONS Audio Engineering Society—33rd Convention Highlights. J a n . p. 30. 3 4 t h Convention Highlights. July, p. 45. 34th Convention Program. Apr. p. 60. 35th Convention Program. Oct. p. 86. New York Hi-Fi Show Preview. O c t . p. 26. San Francisco Hi-Fi Show Preview. Nov. p. 26.

FM ABZ's of, (Series by Leonard Feldman) Co-channel interference, Jan. p. 14; Adjacent-channel interference, Feb. p. 52; Noise, Mar. p. 26; FM broadcasting, Apr. p. 32; Antennas, May, p. 16; R.F. front ends, June, p. 30; Front ends go solid slate, July, p. 52; Local o s c i l l a t o r s and mixers, Aug. p. 84; the i.f. amplifier, Sept. p. 36; L i m i t e r s , Oct. p. 82; Discriminators, Nov. p. 82; R a t i o D e t e c t o r s , Dec. p. 74. Private Music on

Public FM, Leonard

Feldman. Sept. p. 23. Build a Background Music Adapter. Leonard Feldman. Oct. p. 34. HISTORICAL History of the AES, C. G. McProud. Nov.

p. 39. Marantz Eighteen FM Stereo Receiver. June, p. 34.

p. 28. Transistors, 20 years old. Apr. p. 38.

Panasonic RS-761S Tape Recorder System. Sept. p. 44. Pioneer SX-1500T AM/FM Stereo Receiver. Nov. p. 64. Revox 77A Stereo Tape Recorder. Oct. p. 64. Sansui 2000 AM/FM Stereo Receiver. Oct.

HUMOR

p. 70.

New/Improved Hi-Fi equipment s p e c i f i c a tions, Rennie Corb. Aug. p. 19. LOUDSPEAKERS Commonality of Loudspeakers and Musical Instruments, Pt. I, Anton Doschek. Dec. p. 23.

AUDIO • DECEMBER 1968

Concrete Behemoth Speakers. James Ferguson. Mar. p. 21. Exotic Speakers, Al Fanning. July, p. 22. How to Choose Loudspeakers, Al Fanning. Mar. p. 34. New Speaker System Concept, Bert Whyte. Dec. p. 10. Outdoor Loudspeakers. May, p. 26. Protect Your Loudspeakers with Relays, John R. Kissinger. May, p. 28. Speaker System Buying Guide. Mar. p. 42.

MICROPHONES Microphones for Sound Reinforcement Systems, Arthur C. Davis and Don Davis, Part II, Jan. p. 34; III, Feb. p. 26.

Buyer's Guide to Outdoor Hi-Fi-Batterypowered Tape Recorders. May, p. 23; Tape Cartridges and Cassettes, May, p. 25. Pros and Cons of Cassette Tape, Bert

Whyte. Sept. p. 10. Report on New Low-Speed Tape, Edward Tatnall Canby. Feb. p. 12. State-of-the-Art of Pre-Recorded Tapes, Bert Whyte. June, p. 50. Stereo Eight, Bert Whyte. Aug. p. 8. [Also, see "Professional Recording."] TEST EQUIPMENT Test Equipment Sampler. July, p. 34.

MUSIC Benny

Goodman

rides

again,

Bertram

Stanleigh Feb. p. 36. Boom in LP record reissues, S t u a r t Triff. May, p. 45. Fall Harvest, Stuart T r i f f . Dec. p. 78. The Cat's Meow — homage to Gerald Moore, Edward Tatnall Canby. Jan. p. 48. Dr. Bowes amateur hour, Edward Tatnall Canby. Mar. p. 24. A doctor in the movie house. Robert Sherman. Feb. p. 34. The Duke and associates, B e r t r a m Stan-

leigh. Mar. p. 74. Edison cylinder recordings on LP, Edward Tatnall Canby. Oct. p. 96. Fall Harvest, S t u a r t Triff. Dec. p. 78. How to be your own critic of the new synthesized music, Lewis A. Harlow. Apr. p. 24. Jazz, blues, and the siren song of lung cancer, Bertram Stanleigh. Jan. p. 54. Pearlie Mae's "Dolly," Stuart Triff. Mar. p. 76. Rossini vs. Rossini, Edward Tatnall Canby.

Apr. p. 28. The Recorded "Works,"

Edward Tatnall

Canby. Feb. p. 24. The Ultimate Charles Ives, Edward Tatnall Canby July, p. 47. The 2nd Coming of Erik Satie, Edward Tatnall Canby. Dec. p. 80. PROFESSIONAL RECORDING A r t of the Small Recording Studio, Joseph Giovanelli. Nov. p. 50. Audio Testing in Broadcast Stations, Fred L. Zellner. Nov. p. 54. P r a c t i c a l Aspects of Audio Noise Reduction, Ray M. Dolby, Part I, June, p. 19; II, July, p. 26. Professional Prognostications. Nov. p. 30. Russian Recording Methods, Bert Whyte. Oct. p. 12. Stereo Disc Culling, Albert B. Grundy. Jan. p. 22. The Professional Viewpoint, Bert Whyte. Nov. p. 8.

TAPE RECORDING B a t t e r i e s for Tape Recorders, Walter Salm. May, p. 21. Magnetic Tapes, Al Fanning. Oct. p. 46.

AUDIO • DECEMBER 1968

87

DECODERS, FM

ACOUSTICS Acoustical matching of sound systems and auditoriums. David L. Klepper. Nov., 36. Facts & fallacies on detailed sound system equalization, Don Davis. Aug., 36. AMPLIFIERS Crossover distortion in transistor power amplifiers. Janes Bongiorno. May, 26. 15-Watt amplifier on your loudspeaker basket. C. G. McProud. Apr., 21. Layman's Guide to amplifier specifications. Mar., 26. P. A. amplifiers. Leo Sands. Aug., 26. Annual Directory and List of Manufacturers. Sept., 28. ANTENNAS An empirical study of FM antennas. Leonard Feldman. Oct., 26. AUDIO ENGINEERING SOCIETY West Coast 36th Convention papers. May, 32. West Coast Convention product sampler, May, 36. Thirty-seventh Convention program. Oct., 80. AUDIO INSTRUMENT SAMPLER July, 38. Bi-Amplifier Systems, passive crossover networks for. Blaine B. Kuist, Nov., 52. Buyers Guide to hi fi equipment, 1970, Sept., 28. Book Reviews, Dec., 8. Chordophones, The commonality of speaker systems and musical instruments. Anthony Doschek, Jan., 46. Classical Recording, The $$ Crunch in classical recording. Bert Whyte (Behind the Scenes) May, 10. CONSTRUCTION PROJECTS Build a 15-W amplifier on your loudspeaker basket. C. G. McProud. Apr., 21. The austere preamplifier. John L. Grauer. Oct., 54. Build an IC tone-control stage. Richard Crawford. Nov., 32. CROSSOVER DISTORTION Can it be detected by ear? James Bongiorno, June, 56. —in transistor power amplifiers, James Bongiorno. May, 26. Crossover networks, passive, for biamplifier systems. Blaine B. Kuist. Nov., 52.

AUDIO • DECEMBER 1969

Early multiplex decoder circuits. Leonard Feldman. Oct., 60, Modern switching circuit decoders. Leonard Feldman. Nov., 58. Time-division or switching-circuit decoders. Leonard Feldman. Sept., 24. ELECTRONIC ORGANS Part V, Keying methods. Jan., 60. Part VI Vibrato and tremolo. Feb., 36. Part VII, Vibrato, tremolo, and percussion. Mar., 32, Part VIII, Side effects, coupling, and reverberation. Apr., 64. Part IX, Conclusion. May, 54. Norman H. Crowhurst. Electrostatic Tweeters, Using, with transistor amplifiers. Robert C. Ehle. Apr., 23. Equalization, detailed, of sound systems. Don Davis. Aug., 36. EQUIPMENT PROFILES ADC stereo pickup system, ADC-25. July, 48. Allied stereo tape deck, TD-1070. Aug., 52. Altec solid-state condenser microphone system, M50. Aug., 56. Ampex stereo tape recorder. Model 1461. April, 54. Astrocom/Mariux stereo tape deck, Model 407. Dec., 64. C-M Labs stereo power amplifier, Model 35D. Feb., 44. C-M Labs stereo preamplifier, Model CC-2. Feb., 46, Concord three-head, four-track stereo tape deck, Mark III. Nov., 66. Crown dual-channel laboratory amplifier, Model DC-300. Oct., 70. Dual automatic turntable, Model 1212. March, 52. Dual automatic turntable, Model 1219. Dec., 67. Dynaco speaker system, Model A-25. Oct., 73. EICO stereo control amplifier, Cortina 3150. June, 40. EICO stereo FM tuner, Cortina 3200. June, 38. Elac stereo cartridge, STS-444E. Jan., 54. Electro-Voice "Aries" loudspeaker system. Oct., 68. Empire stereo cartridge, Model 999-VE. April, 58. Fairfax bookshelf speaker, FX-100. May, 50. Fisher stereo FM/AM receiver, Model 500TX, April, 50. Harman-Kardon speaker system, Model HK-50. June, 50. Heath bookshelf speaker system kit, AS48. July, 44. JBL speaker system, Model C60. Dec., 76. Jensen single-cabinet stereo speaker system, Stereo 1®. Nov., 62.

Kenwood multi-channel integrated stereo amplifier, Supreme 1. Nov., 70. Klipsch speaker system, Cornwall II. Jan., 56. Knight-Kit sweep-marker generator kit, KG-687. Jan., 52. Koss electrostatic headphones, ESP-6. Feb., 48. Lafayette solid-state AM/FM stereo receiver, LR-1500T. Jan., 50. Marantz speaker systems, Imperial I. Aug., 50. Marantz stereo FM tuner, Model twenty. Dec., 62. NordMende FM stereo multiband receiver, 8001/ST. Mar., 44. NordMende stereo tape recorder, 8001/T. June, 46. Pioneer Speaker System, Model CS-66. Dec., 70. Rabco servo-driven straight-line tone arm, SL-8. May, 48. Sansui stereo FM/AM receiver, Model 4000, Dec., 72. Scott AM/FM stereo receiver kit, Model LR-88. May, 42. Scott "Quadrant" speaker system, Model Q-100. Nov., 74. Sennheiser stereo headphones, Model HD-414. Mar., 52. Shure "Hi-Track" stereo phono cartridge, M91E. Aug., 51. Shure "Unidyne IV" microphone, Model 548, April, 60, Sony Superscope stereo tape deck, TC666D. Feb., 40. Sony Superscope portable AC/batterypowered stereo tape deck, TC-770-2. May, 40. Sony servo turntable system, PS-1800. July, 42 Sony stereo FM/AM receiver, STR-6040. Oct., 66. Superex stereo headphones, Model STPRO-B. Aug., 54. Tandberg stereo tape recorder, Model 1241-X. Mar., 48. Telex 8-track stereo cartridge recorder/ player, 811-R. Oct., 74. Thorens electronic transcription turntable, Model TD-125. June, 44. Four-Channel Sound, Special Report an. Bert Whyte. Dec., 22. Four on tape, Edward Tatnall Canby. Sept., 27. FM, FM-STEREO TUNERS AND RECEIVERS Antennas—an empirical study of. Leonard Feldman. Oct., 26. Automatic frequency control. Leonard Feldman. Feb., 50. Convenience features. Leonard Feldman. Dec, 58. Early multiplex decoder circuits. Leonard Feldman. Oct., 60. Front-end alignment. Leonard Feldman. May, 30.

77

Modern switching-circuit decoders. Leonard Feldman. Nov., 58. More on FM detection. Leonard Feldman. Jan., 58. Receiver alignment. Leonard Feldman, April, 44. Stereo composite signal, The. Leonard Feldman. Aug., 46. Sum and difference in transmission systems. Leonard Feldman. July, 50. Tuning aids. Leonard Feldman. March, 40. Hi-Fi Shows—the missing N.Y. show. Bert Whyte (Behind the Scenes). Oct., 14. How High the Fi? Bert Whyte. (Behind the Scenes.) Oct., 10. Idiophones—The commonality of speaker systems and musical instruments. Anthony Doschek. Feb., 30. Intermodulation Tests—a new use Norman H. Crowhurst. July, 26.

for

LAYMAN'S GUIDES —Amplifier and Receiver specifications. Mar., 26. —Microphone specifications. Aug., 20. —Phono cartridge specifications. June, 20. —Speaker system specifications. Nov., 22; Dec, 28. —Tape recorder specifications. Jan., 25. —Tuner specifications. Feb., 21. LOUDSPEAKERS Buying guide. Apr., 26. Column speakers. Victor Brociner. Aug., 31. Don't let speaker phasing faze you. Al Fanning. Apr., 40. How to add electrostatic tweeters to transistor amplifiers. Robert C. Ehle. Apr., 23. Layman's guide to speaker systems. I, Nov., 22. II, Dec., 38. Single-speaker-enclosure McProud. Oct., 88.

stereo.

C.

G.

Embellished Baroque. Edward Tatnall Canby. Dec., 80. Four on tape. Edward Tatnall Canby. Sept., 27. Historical stereo. Edward Tatnall Canby. July, 14. Hpschd: Electronic music styles. Edward Tatnall Canby. Oct., 34. Inside the Moog synthesizer. Robert C. Ehle. Dec., 30. Moog Jazz in the garden. Bertram Stanleigh. Nov., 96. More electronic pop sounds. Sherwood L. Weingarten. Oct., 37. Musical glasses. Edward Tatnall Canby. Apr, 16. Orchestral music of China. Edward Tatnall Canby. Aug., 66. Revaluing the 20th Century. Edward Tatnall Canby. May, 14. Rock for all ages. Sherwood L. Weingarten. Nov., 92. 78's Live. James Quigley. June, 35. Sinatra conducts on Wilder reissue. Bertram Stanleigh. Feb., 58. Soul Music panorama. Sherwood L. Weingarten. June, 66. Switched-on rock. Edward Tatnall Canby. Oct., 36. Willie the Lion. Bertram Stanleigh. Jan., 75. MUSICAL INSTRUMENTS The commonality of speaker systems and musical instruments. Anthony Doschek. Jan., 46. Phono cartridges, layman's specifications. June, 20.

guide

to

Pop recording session. John M. Woram. May, 21. Post recording session. John M. Woram. June, 30. Rock and roll loudness. Bert Whyte. (Behind the Scenes.) Mar., 8. Tape recorder directory. Jan., 34. Tape transport maintenance. H. W. Hellyer. I, Sept., 22; II, Oct., 42; III, Nov., 44; IV, Dec., 46. Why you say it. Webb Garrison. July, 56. RECORDING, VIDEO Directory, Jan., 44. Electronic video recording. Bert Whyte Behind the Scenes). Feb., 8. VTR recording session. Bert Whyte (Behind the Scenes). Sept., 8. SOUND SYSTEMS Facts and fallacies of sound system equalization. Don Davis. Aug., 36. Reinforcement systems. David L. Klepper. Nov., 36. Stereo Broadcasting, brief history of. Leonard Feldman. June, 54. STEREO SYSTEMS Five-channel stereo at home. Ernest Baenninger. Mar., 21. Passive crossover networks for, Blaine B. Kuist. Nov., 52. Tape cartridges, 8-track. Bert Whyte (Behind the Scenes). Jan., 10. Tone control stage, build an IC. Richard Crawford. Nov., 32. Tuners, layman's guide to specifications. Feb., 21.

Preamplifiers, the austere. John L. Grauer. Oct., 54. Professional viewpoint—an interview with Larry Scully. Bert Whyte, (Behind the Scenes.) Nov., 10. Public Address Aug., 26.

Amplifiers.

Leo

Sands.

Receivers, layman's guide to specifications. Aug., 26.

Manufacturers listing—names and addresses. Sept., 97. Metamorphosis of retail hi-fi stores. Bert Whyte, (Behind the Scenes.) June, 10. MEASUREMENTS: preamplifiers. James Bongiorno. July, 32. Primer on sound-level meters. Bernard Katz. I, July, 22; II, Aug. 42. Microphones, Layman's guide to specifications. Aug., 20. MUSIC Approaches to the modern. Edward Tatnall Canby. Mar., 16. Best Baroque. Edward Tatnall Canby. Jan., 68. Blues, The new. David Lyle Segal. Mar., 70. Compatibility at Philadelphia. Edward Tatnall Canby. June, 14.

78

Record-playback switching. Jan., 64. Records, technical quality of. Bert Whyte (Behind the Scenes.) July, 10. Recording and reproduction. How to correct turntable bounce. Donald R. Hicke. Nov., 49. RECORDING, DISC How disc masters are made today. R. Lee Hulko. Nov., 26. RECORDING, MAGNETIC Cross-field technique. Fritjof Brodtkarb., Jan., 21. How tape recorder bias controls fidelity. Andrew H. Persoon. Feb., 24. Layman's guide to tape recorder specifications. Jan., 25. On-location recording. Bert Whyte (Behind the Scenes.) Apr., 8.

AUDIO • DECEMBER 1969

ACOUSTICS The listening room. Edward Tatnall Canby. Apr., 24.

Annual Directory and list of manufacturers. Sept., 28. Additions to annual product directory. Nov., 43.

AUDIO ENGINEERING SOCIETY AES convention views. Jan., 68. AES exhibit preview. May, 8. West Coast AES convention program and papers. May, 42.

Christmas buyers guide. Dec., 22.

Computer in sound reinforcement system design. Don Davis. I, Aug., 20. II, Oct., 24.

CONSTRUCTION PROJECTS Adding a woofer to an electrostatic speaker. Nathan M. Garfinkle. Mar., 26. The function generator. Norman H. Crowhurst. Nov., 22. One-third octave sound-level meter. David Griesinger. Dec., 28. Building a variable-frequency power source. C. G. McProud. Jan., 30.

dB's, A practical view of. George H. R. O'Donnell. Feb., 38.

EQUIPMENT PROFILES Acoustic Research receiver. May, 48. Acoustic Research loudspeaker system, AR-5. Jan.,62. ADC loudspeaker system, 303AX. Jan., 64. Advent frequency balance control. May, 56. Advent speaker system. July, 45. Ampex stereo cassette deck, Micro 52. Apr., 60. B&O stereo cartridge, Model SP 12. Oct., 58. Decca phono pickup system, Mk 1. June, 60. Dual turntable, Auto-Professional 1209. Oct., 54. Dynaco integrated stereo amplifier, SCA80. Aug., 48.

96

Dynaco stereo power amplifier kit, Stereo 80. Feb., 48. Electro-Voice integrated music system, Landmark 100. Nov., 68. Elektra-Amplidyne loudspeaker equalizer, SE-111. June, 58. Empire turntable, Model 598 Troubador. Dec., 63. Empire stereo cartridge, 1000 ZE. Nov., 72. Epicure loudspeaker, EPI-100. May, 46. Ferrograph tape recorder, Series Seven. June, 55. Fisher stereo headphones, HP-100. Jan., 66. Garrard automatic turntable, SL-95B. Mar., 52. Harman-Kardon basic amplifier, Citation Twelve. May, 52. Harman-Kardon stereo FM receiver, Eight Twenty. Feb., 52. Heathkit FM/AM stereo receiver, AR-29. Aug., 44. Jensen loudspeaker system, TF-25. Feb., 58. KLH loudspeaker system, Model 33. Dec., 62. Marantz console amplifier, Model 30. Oct., 46. Marantz stereo FM/AM receiver, Model 22. Apr., 54. Nikko stereo FM receiver, STA-501S. Mar., 50. PE turntable, Model 2018. Jan., 65. PE turntable, Model 2040. Dec., 66. Pickering stereo phono cartridge, XV15/ 750E. Jan., 64. Pioneer auto-reverse tape deck, T-600. Mar., 58. Pioneer reverberation amplifier, SR-202. June, 62. Pioneer stereo FM/AM receiver, SX-990. Jan., 60. Pioneer two-way stereo headphones, SE50. Feb., 58. Roberts stereo tape recorder, 420XD. Feb., 46. Sherwood stereo FM/AM receiver, SEL-200. July, 38. Shure stereo phono cartridge, V-15 Mark II, Improved. Mar., 54. Sony stereo headphones, DR-6A. Apr., 53. Sony stereo power amplifier, TA-3200F. Nov., 62. Sony Superscope stereo tape deck, TC-366. Aug., 50. Additional comments, Oct., 59. Tandberg tape deck, 6000 series. July, 34. TEAC integrated stereo amplifier, AS-200U. Apr., 50. TEAC stereo tape deck, A-1200U. Oct., 50.

University bookshelf loudspeaker, Project M. Apr., 58. VM stereo receiver, TF-10. Dec., 68. FM, FM-STEREO TUNERS AND RECEIVERS An integrated circuit FM detector. Eugene T. Patronis, Jr. Feb., 44. FM probe unit. Leonard Feldman. Nov., 52. FM tuner alignment guide. Arthur Boynton. I, June, 20. II, July, 20. HI-FI SHOWS Consumer Electronic Show. July, 6. Evanston High School hi-fi show. June, 12. New York hi-fi show. Nov., 32. Headphone review. C. G. McProud. Dec., 20. Integrated Circuits, The wonderful world of. Edward J. Gately, Jr., June, 36. LOUDSPEAKERS Bass response vs. cabinet size. Victor Brociner. Mar., 20. Another look at damping factors. Paul W. Klipsch. Mar., 30. Doppler distortion in loudspeakers. Roy V. Childs. Aug., 26. Choosing a loudspeaker. Mar., 24. Layman's guide to loudspeaker specifications. Victor Brociner. III, Jan., 52. Loudspeakers—past and present. Robert Berkovitz. Apr., 36. Another look at parallel-connected loudspeakers. Dick Crawford. Nov., 24. The Mud Factor. Paul W. Klipsch. Oct., 38. Speaker systems directory. Mar., 32. Manufacturers' Listing—names and addresses. Sept., 34. MUSIC Beethoven is 200! Edward Tatnall Canby. Mar., 76. Rosemary Brown. Edward Tatnall Canby. Nov., 28. Canby the DJ—Canby at Carnegie Hall. Edward Tatnall Canby. July, 42. Getting hooked on chamber music. Richard Freed, I, Apr., 22. II, July, 22. III, Oct., 36. Is classical music dead? Greg Morrow. Oct., 66. Ethnic recording. Edward Tatnall Canby. Jan., 74. Keyboard immortals. George W. Tillett. Oct., 12.

AUDIO • DECEMBER 1970

Subject Index, Continued Mahler at length. Edward Tatnall Canby. Feb., 62. Moogs and Moondog. Edward Tatnall Canby. Aug., 14. Music concrete. Edward Tatnall Canby. May, 60. Have you heard Sinatra? Don Altobell. Dec., 40. Negative Feedback. Norman H. Crowhurst. I, Feb., 22. II, Apr., 18. III, May, 34. PUBLIC ADDRESS SYSTEMS Electronics for public address. Norman H. Crowhurst. Aug., 36. Line radiators for public address. Aug., 10. QUADRAPHONICS Quadrisonics on the air. Leonard Feldman. Jan., 22. The QUART broadcasting system. Michael Gerzon. Sept., 26. A new quadraphonic system. David Hafler. July, 24. The four-channel disc. Bert Whyte. Jan., 10. Four-channel phones. Jon Fixler. June, 4. Quadraphonic report. April, 25. Quadraphonic News. Nov., 48.

Recording studio, The. Dr. Donald Hunsberger. June, 28. RECORDING, MAGNETIC Cassettes and the Dolby system. Edward Tatnall Canby. May, 40. The 8-track/cassette cold war get warmer. Don Humphreys. Jan., 50. Splicing tapes and their application. Andrew H. Persoon. Jan., 28. Tape deck maintenance. H. W. Hellyer, V, April, 40. VI, Oct., 30. Tape recorder directory. Jan., 38. RECORDING, VIDEO The ultimate disc. Edward Tatnall Canby. Dec, 59. Video on discs. Sept., 8. SOUND AND DECOR Sound and decor. June, 42. Nov., 50. STEREO SYSTEMS How many channels? Duane Cooper. Nov., 36. 15 channels on one pair of wires. C. C. McProud. May, 20. Stereo receiver lexicon. Leonard Feldman. I, Sept., 22. II, Oct., 20. Transient power of a stereo system. Osamu S. Goda. Feb., 26. Synthesizer. A new electronic. Alfred Mayer. May, 28. Transistor Oscillators. Norman H. Crowhurst. June, 48.

AUDIO • DECEMBER 1970

97

Amplifiers: Requirements and Specifications. George W. Tillett. Apr., 32. Annual Directory and list of manufacturers. Sept. 22. Additions to annual product directory. Oct., 62, Nov., 54. AUDIO ENGINEERING SOCIETY AES Meeting Highlights. May, 28. Convention highlights. Behind the Scenes, Dec., 12. Audio Transmission Line Equalization. Buck O. Kraft. Feb., 20. Christmas Buying Guide. Nov., 10. Christmas Story. Dec., 18. Concert Hall in the Schmidt. Dec., 20.

Home.

H.

L.

Condenser Microphone, Case for the. Richard Fowle. July, 26. CONSTRUCTION PROJECTS Build Your Own Tape Eraser. Donald R. Hicke. Jan., 30. IC Tone Burst Generator. Walter G. Jung. 1, Nov., 25; 2, Dec., 30. Improved Headphone Listening. Siegfried Linkwitz. Dec., 42. Killer Thing. Jim Ashe. Jan., 32. Madsen-System Delay Tube, Construction of. Duane H. Cooper. 1, Apr., 18; 2, May, 48. Ten-Watt Stereo Amp., Constructing a. Dwight V. Jones. May, 30. Wide-Range Sweep Oscillator. Michael Lampton. July, 30.

DIRECTORIES Annual Product Directory. Sept., 22. Additions., Oct., 62; Nov., 54. Cassette Recorder Review. Aug., 26. C h r i s t m a s Buying Guide. Nov., 10. Headphone Directory. Dec., 44. Loudspeaker Directory. Mar., 34. Manufacturers Listing. Sept., 26. Microphone Directory. July. 36. Additions, Oct., 62.

88

Phono Cartridge Survey. Feb., 36. Outdoor Speaker Directory. June, 26. Receiver and Tuner Directory. May, 36. Tape Recorder Directory. Jan., 36. Dynamic and Electrostatic Headphones. Howard Souther. Dec., 24. EQUIPMENT REVIEWS Acoustic Research FM stereo tuner. July, 49. Acoustic Research loudspeaker, Model AR-2ax. May, 55. Advent noise reduction unit, Model 100. Jan., 49. Annis magnetometer. May, 58. Bogen AM/FM stereo receiver, Model BR-360. May, 52. EICO I M / H D distortion meter, Model 92. Sept., 86. EPI loudspeaker, Model 50. Oct., 58. Fisher AM/FM stereo receiver, Model 201. June, 54. Garrard automatic turntable, Model Zero 100. July, 46. Harman-Kardon preamp/equalizer, Model Citation 11. Jan., 46. Heath A M / F M stereo receiver, Model AR-1500. Dec., 52. Heath oscilloscope, Model I0-102. Sept., 88. KLH tape deck, Model 41. Apr., 46. Logiclock electronic digital clock. Sept., 87. M a r a n t z FM stereo receiver, Model 19. Mar., 60. Metrotec frequency equalizer. Apr., 50. Addenda. June, 56. N i k k o stereo amplifier, Model TRM1200. July, 44. Panasonic A M / F M stereo receiver, Model SA-6500. Nov., 38. Panasonic turntable, Model SP-10. Aug., 42. Phase Linear amplifier. June, 57. Pioneer AM/FM stereo receiver, Model SX-9000. Aug., 38. Pioneer A M / F M stereo tuner, Model TX-900. Apr., 48. Rabco turntable, Model ST-4. Nov., 50. Realistic music/sound level meter. July. 51. Rotel AM/FM stereo tuner, Model RT320. Dec., 60.

SAE frequency equalizer, Model Mark Seven. Mar., 66. Sansui AM/FM stereo receiver, Model 2000A. Jan., 42. Scott AM/FM stereo receiver, Model 387. Oct., 52. Addenda, Dec., 50. Sharpe headphone control units, Models SC-1, SC-3. May, 57. Sherwood AM/FM stereo receiver, Model S-7100. Feb., 50. Sherwood FM stereo tuner, Model SEL300. Nov., 44. Sonic Research frequency compensator, Model Sonex 100A. June, 61. Soundcraftsman frequency equalizer, Model 20-12. Dec., 48. Stanton electrostatic headphones, Model Mark III Isophase. June, 59. Tandberg tape deck, Series 3000X. Mar, 64. Tannoy loudspeaker system, Model Orbitus 1. Oct., 60. TEAC tape deck, Model A-7030U. Feb., 46. TEAC tape deck, Model 7030SL. Aug., 36. V-M automatic turntable, Model 1555. Feb., 44.

EVR Video Recording Wyland. Sept., 14. Hi-Fi Outdoors. June, 20.

Leonard

Gilbert P.

Feldman.

Hi-Fi at the Playboy Mansion. Bernie Brown. June, 28. How Much Amplifier Power? Don Davis. June, 32. London Letter. Donald Aldous. Feb., 18; Oct., 14. LOUDSPEAKERS Buyers' Guide to Loudspeakers. Mar., 34. Doppler Anyone? Henri A. van Hessen. Apr., 42. Doppler Distortion-Again? Roy F.Allison. Mar., 54. Electrostatic Loudspeakers. George W. Tillett. Mar., 52.

AUDIO • DECEMBER 1971

Hofman's Iron Law. Henry Kloss. Mar., 30. The Loudspeaker/Living Room System. Roy F. Allison. Nov., 18. The Hows. Wheres, and Whys of Testing High Quality Loudspeakers. H.D. Harwood. 1, Aug., 16; 2 Sept., 18. The Why and How of Horn Loudspeakers. Victor Brociner. 1, Mar., 16; 2, June, 36. Mathematics for Beginners. Norman H. Crowhurst. 1, June, 52; 2, Aug., 34; 3, Nov., 34. MUSIC Boris. Igor, and The Dutchman. Richard Freed. Feb., 30. Country Comes to the City. Don Altobell. July, 52. Legend of Enrico Caruso. Don Altobell. Nov., 64. Rafael Kubilek; A Direct Line to Mahler. Sept., 90. Vocal Fireworks. Richard Freed. June, 63. QUADRAPHONICS The Compatible Stereo-Quadraphonic "SQ" Record. Benjamin Bauer. Oct., 34. How Many Channels? Duane H. Cooper. 2, Feb., 28. The JVC CD-4 System. Oct., 44. Madsen-System Delay Tube. Construction of. Duane H. Cooper. 1, Apr., 18; 2, May, 48. On Matrix Quadraphonic Systems. Leonard Feldman. Oct., 20. One Approach to Four-Channel Sound -Dynaco/Gately. Craig Stark. Oct., 30. Quadraphonic Discs. Edward T. Canby. June, 65. Quadraphonic News. May., 10. Recording in Quadraphonics. Ronald M. Klein. Feb., 26. The Sansui QS System. Oct., 42. Summing Up. Oct., 46. TAPE RECORDERS, RECORDING Eastman Recording Workshop. Paul Dean. J u l y , 20. K i l l e r Thing. Jim Ashe. Jan., 32. 110 dB Dynamic Range on Tape. Richard S. Burwen. June, 49. Recording in Quadraphonics. Ronald M. Klein. Feb., 26. Tape Erase, Build Your Own. Donald R. Hicke. Jan., 30. Tape Transport M a i n t e n a n c e . Cassette Mechanisms. H. W. Hellyer. 7, Jan., 22; 8, Aug., 22. Tape Recorder Directory. Jan., 36. Transpet Devices. Apr., 5. Tuning w i t h no Moving Farts. Leonard Feldman. May, 18.

AUDIO • DECEMBER 1 9 7 1

89

AMPLIFIERS A 700-Watt Amplifier Design. Robert W. Carver. Feb., 24. Intermodulation Distortion: A Powerful Tool for Evaluating Amplifiers. Gerald Stanely & David McLaughlin. Feb., 36. New Amplifiers and Preamplifiers. Feb., 47. Testing Amplifiers with a Bridge. Andrew R. Collins. Mar., 28. Annual Product Directory and List of Manufacturers. Sept., 28. Addenda. Nov., 52. Binaural Sound, Audience Involvement Through Use of. Billy Brant. Nov., 34. C.E.S. New Products At. Aug., 30. Christmas Buying Guide. Nov., 54. Christmas Story. T.W.G. Dec., 34. CONSTRUCTION PROJECTS Acoustic Feedback Loudspeaker System. Curtiss R. Schafer. Jan., 32. Dynaquad Four-Dimensional System, A Simple Matrix-Type Unit for the. Erno Borbely. May, 42. Equalizer, Constructing a Room. Dick Crawford. Sept., 18. Preamplifier, A Quiet Phonograph. James P. Holm. Oct., 34. Tone Burst Generator, Part III-Check Out and Operation. Walter Jung. Jan., 42. VU Meter, A Peak-Reading, with Compensation for Tape Saturation. E.A. Ballik. Oct., 48. Diamond Styli, A New Concept in. Hedi Benz. Aug., 33. DIRECTORIES AND SURVEYS New Amplifiers and Preamplifiers. Feb., 47. Annual Product Directory and List of Manufacturers. Sept., 28. Addenda, Nov., 52. Cassette Deck Survey: 16 Models Tested. Oct., 56. Loudspeaker Directory. Mar., 38. Microphone Directory. Dec., 36. New Receivers and Tuners. Jan., 38.

110

Small Speaker Survey: 14 Models Tested. Sept., 101. Open-Reel Tape Recorder Directory. April, 46. Turntables: Capsules of Past Reviews. June, 46. Turntable Directory. June, 48.

Dynamic Noise Filter For Mastering. Richard S. Burwen. June, 29. Equalization of Sound Reinforcement Systems. Daniel Queen. Nov., 18. EQUIPMENT PROFILES Acoustic Research AR-6 loudspeaker. Jan., 62. Acoustic Research AR-LST loudspeaker. Dec., 58. Advent smaller loudspeaker. Dec., 65. Audio Dynamics Corp. XLM phono cartridge. July, 53. BIX/LUX 71/3R AM/FM stereo receiver. Feb., 50. BSR McDonald 810 automatic turntable. June, 56. B&W 70CA loudspeaker. Aug., 46. Beyer DT-480 headphones. Mar., 66. Crown IC-150 preamplifier and D-150 amplifier. Jan., 48. Dual 1218 automatic turntable. Jan., 56. Dynaco SCA-80Q amplifier. July, 48. Dynaco FM-5FM tuner. Oct., 72. Eastman Sound Matrin Crescendo 430 loudspeaker. Oct., 74. Fisher 801 AM/FM quadraphonic receiver. July, 44. Foster (Ercona) RDF-224 headphones. Mar., 64. Harman-Kardon 930 AM/FM receiver. June, 52. Harman-Kardon Citation 13 loudspeaker. May, 69. Harman-Kardon Citation 14 FM tuner. Dec., 54. Heath AJ-1500 FM tuner. May, 71. Lafayette LA-524 SQ decoder/amplifier. July, 40. Lenco L-75 manual turntable. July, 52. Marantz 250 basic amplifier. June, 58. Marantz Imperial 6 loudspeaker. April, 52. Miracord 50 H-II automatic turntable. May, 66.

Panasonic SA-5800 A M / F M receiver. Aug., 48. Panasonic RS-736US open-reel tape deck. Oct., 67. Pioneer SX-727 A M / F M receiver. May, 62. Pioneer CS-E400 loudspeaker. Aug., 44. Realistic STA-120B A M / F M receiver. Dec., 62. Rectilinear III Lowboy loudspeaker. June, 60. Sansui QS-100 decoder/amplifier. July, 42. Scott 477 AM/FM receiver. Oct., 69. Sharpe 770 headphones. Mar., 64. Sony 1130 integrated amplifier. Feb., 54. Sony TC-277-4 quadradial tape deck. Aug., 42. TEAC AS-201 integrated amplifier. Mar., 60. TEAC A-24 cassette deck. April, 50. Telex Studio I headphones. Mar., 68. Telex 48H 8-track tape player. April, 54. Telex-Viking Quad/Sonic 2+2 tape recorder. Jan., 57. Wharfedale W70E speaker. Mar., 69. Wollensak 6364 2/4-channel tape recorder. Feb., 57. From the People Who Brought You Franz Liszt? George W. Tillett. April, 36. Headphones, The "Open-Aire" Principle in High-Fidelity. Friedrich Warning. May., 52. Kit Builder, Trials and Tribulations of the Novice. Leonard Feldman. Nov., 28.

Language of High Fidelity. Martin Clifford. I, May, 32; II, June, 36; III, Aug., 25; IV, Sept., 24; V, Oct., 36; VI, Nov., 42; VII, Dec., 45. Lirpa Matrix April, 12. London Letter. May, 75.

System

Donald

Unveiled.

Aldous.

LOUDSPEAKERS The Acoustic Feedback Loudspeaker System. Curtiss R. Schafer. Jan., 32.

AUDIO • OUR 25TH YEAR • DECEMBER 1972

Activating Your Loudspeaker Crossover. Michael W. King. April, 32. Crossover Network Design. Edward M. Long. Mar., 34. What Price Loudspeaker Response Curves? Ralph West. Mar., 18. Mathematics For Beginners. Norman H. Crowhurst. IV, April, 22. Measurement of Loudness. Harry F. Olson. Feb., 18. Men of Hi-Fi. Harry Maynard. The Perfect FM Tuner, Jan., 2 6 ; Status of Quadraphonic Broadcasting, May, 57. MICROPHONES Microphones. Jim Long. Dec., 18. Microphones—Quo Vadis? James H. Kogen. April, 24.

MUSIC Bundles From London. Greg Morrow. Feb., 60. The First Meyerbeer Opera on Records. Richard Freed. Sept., 110. Newport Jazz Festival—New York. Martha Sanders Gilmore. Oct., 91. How lo Read An Orchestral Score. Robert F. Weirausch. Dec., 71. Solti's Magic Flute. Richard Freed. April, 56. Stockhausen's Stimmung: First New York City Performance. William N. Agosto. Feb., 63. Two Verdi Requiems; G&S Encores. Richard Freed. May, 83. Return of the Native: The Link Wray Experience, Martha Sanders Gilmore. Feb., 74. The Next Ten Years. Leaders. May, 22.

Care of Records. Percy Wilson. Dec., 30. Sound Reproduction, Psychology of. Harry F. Olson. June, 20. TAPE RECORDERS Choosing a Tape Recorder. H. W. Hellyer. April, 16. All About Tape Recorder Equalization. Herman Burstein. Oct., 26. Tape Recorders—A View From the Crystal Ball. Herman Burstein. April, 40. A Dynamic Noise Filter for Mastering. Richard S. Burwen. June, 29. Noise Reduction Techniques. H. W. Hellyer. Oct., 18. Quadraphonics: Questions & Answers and How To Convert. July, 36. The New Sansui "20 dB" Matrix. July, 38. Men of Hi-Fi: Status of Quadraphonic Broadcasting. Harry Maynard. May, 57. Refacing Tape Recorder Heads. William B. Fraser. April, 20. TESTING Intermodulation Distortion: A Powerful Tool for Evaluating Amplifiers. Gerald Stanley & David McLaughlin. Feb., 36. Testing Amplifiers with a Bridge. Andrew R. Collins. Mar., 28.

How Audio Tests A Phono Cartridge. Aug., 38. Phono Pickups, A Practical HighFrequency Trackability Test for. C. R. Anderson and P. W. Jenrick. Aug., 34. How Audio Tests a Turntable. June, 42. TUNERS FM Tuner Performance. How to Evaluate. Daniel R. von Recklinghausen. Jan., 18. Men of Hi-Fi: The Perfect FM Tuner. Harry Maynard. Jan., 26. Why Are Audio People "A Special Breed of Cat?" Norman H. Crowhurst. May, 78. WORKBENCH Concept Plus Speaker of the House. Sept., 108. EICO 955 capacitor bridge. Jan., 66. Ferrograph RTS-1 tape recorder lest set. June, 62. Heathkit IB-101 frequency counter. Sept., 106. Heathkit GD-29 microwave oven. Dec., 68. Heathkit IM-105 VOM. Jan., 64. Signal Science Whistle Switch. Oct., 78. Russound/FMP SWB-2 Multiplay switch. Nov., 72.

Industry

Questions & Answers Amplifier Q's & A's—Mainly for Beginners. Feb., 46. Phono Cartridge Q's & A's-Mainly For Beginners. Aug., 40. Quadraphonics Q's & A's—and How to Convert. July, 36. Speaker Q's & A's-Mainly For Beginners. Mar., 58.

Quadraphonics Discrete vs. SQ M a t r i x Quadraphonic Discs. Benjamin B. Bauer. July, 18. Why The Four-Channel War Need Not Take Place. Leonard Feldman. July, 30. Good News Ahead For Record Buyers. Harry Maynard. July, 28. Quadraphonic News. Mar., 14.

AUDIO • OUR 25TH YEAR • DECEMBER 1972

111

AMPLIFIERS Buying Watts and Other Things. Leonard Feldman. Feb., 16. Fail-Safe Audio Amplifier Design. Brian G. Wachner. Feb., 38. What's Watts? H. Peter Meisinger. Feb., 24. A Correction. April, 62. Annual Product Directory and List of Manufacturers. Sept., 12. Addenda. Nov., 38. CARTRIDGES AUDIO ETC: The CD-4 Cartridge. Edward Tatnall Canby. June, 36. AUDIO Tests Nine Phone Cartridges. Aug., 32. Trackabilitv-1973. J. Kogen, B. Jakobs, F. Karlov. Aug., 16. CES, Seen at. Aug., 24. Christmas Buying Guide. Nov., 52. CONSTRUCTION An Inexpensive Microphone. Roland H. Reiss. May, 55. Simple Volume Compressor. Daniel Shanefield. May, 26. Entering the Recording Field. Joseph Giovanelli. March, 56. Further Notes. July, 4. EQUALIZATION Bass Equalization in Loudspeakers. Dick Crawford. Nov., 34. Equalization in the Home. John Eargle. Nov., 54. EQUIPMENT PROFILES Acoustic Research AR-7 Speaker. Feb., 62. AKAI GXC-46D Cassette Recorder. Nov., 72. BGW 500R Stereo Amplifier. Oct., 56. Bozak Sonora Loudspeaker System. July, 52. Design Acoustics D-12 Loudspeaker System. April, 52. Dynaco A-35 Loudspeaker System. June, 62. ESS Mk. II Speaker System. Jan., 46. ESS amt-1 Loudspeaker. Dec., 61. Epicure 601 Speaker System. Jan., 54. Fisher PL-6 Sound Panel. March, 66. Hegeman H-1 Loudspeaker. Oct., 66. Infinity 1001 Speaker System. April, 54. JVC CD-1667 Cassette Deck. March, 60. K L H Model 52 Stereo Receiver. Aug., 42.

94

Kenwood KR-6340 "2-4 Receiver. Dec., 58. Lafayette LR-4000 4-Channel SQ Receiver. June, 56. Magnavox 8898 Receiver. March, 74. Marantz 1120 Amplifier. May, 40. Microstatic Full-Range Loudspeaker. June, 60. Microstatic MS-1 Add-On Speaker. July, 56. Onkyo Model 20 Speaker System. Jan., 56. Onkyo TX-555 Stereo Receiver. Oct.; 54. Phase Linear 400 Amplifier. Feb., 56. Pioneer CSR 300 Speaker System. Feb., 64. Pioneer TX-9100 A M / F M Stereo Tuner. Aug., 46. RTR 280 DR Speaker System. Nov., 76. Realistic QTA-790 4-Channel AM/FM Receiver with Remote Control. July, 42. Rectilinear XIa Loudspeaker System. Aug., 49. Rogersound RSL 28 Loudspeaker System. June, 67. SAE Mk. XII Speaker System. May, 42. Sherwood S-7200 Stereo Receiver. May, 46. Shure M 9 1 E Phono Cartridge. April, 61. Sony STR-7065 AM/FM Stereo Receiver. Nov., 70. Tandberg TR 1020 Receiver. Feb., 52. TEAC AS 100 Integrated A m p l i f i e r . Jan., 48. TEAC 450 Cassette Recorder. Dec., 76. TEAC 3340 Open-Reel Deck. March, 62. TEAC AT-100 FM Stereo Tuner. June, 64. Technics by Panasonic RS-740US Quadraphonic Tape Recorder. July, 54. Happy 25th Birthday, Transistor! Audrey Anders. June, 22. HEADPHONES AUDIO ETC: Binaural Sound from Headphones. Edward Tatnall Canby. March, 38. Quadraphonic Headphones (survey). June, 28. High Fidelity from Cassette Systems. M.B. Martin. Oct., 20. The Kennedy Center. Martha Sanders Gilmore. Nov., 86.

AUDIO • DECEMBER 1973

LOUDSPEAKERS Bass Equalization in Loudspeakers. Dick Crawford. Nov., 34. Breakthrough in Speaker Testing. Richard C. Heyser. Nov., 20. Canby Looks at and Listens to Flat Loudspeakers. Edward Tatnall Canby. Jan., 22. In All Directions. John Crabbe. March, 32. The Loudspeaker as a Spherical Sound Source. Winslow N. Burhoe. March, 16. Loudspeaker Damping. Nelson Pass. March, 52. Omnidirectional Radiation. G. Sioles. March, 21. Quadraphony Needs Directional Loudspeakers. B e n j a m i n B. Bauer. March, 22. Summing It Up. George W. Tillett. March, 32. MICROPHONES Directory Addenda. Feb., 28. An Inexpensive Microphone. Roland H. Reiss. May, 55. A Microphone Primer. Jim Long. Part II. Jan., 34. Conclusion. Feb., 48. Microphones—The Vital Link in the Recording Chain. David Lane Josephson. Dec., 22.

95

A New Idea for Measuring Wow and Flutter. Robert E. Berglas. June, 26. New Specs for the New Tuners. Leonard Feldman. Jan., 16. Newport Jazz Festival. Martha Sanders Gilmore. Oct., 69. QUADRAPHONICS The Evolution of Four-Channel Equipment. Leonard Feldman. July, 26. Quadraphonic Headphones (survey). June, 28. Quadraphony Needs Directional Loudspeakers. Benjamin B. Bauer. March, 22. SQ Update-1973. Benjamin B. Bauer. July, 18. Status: The CD-4 System. George W. Tillett. July, 40. Why You Should Buy Four-Channel Now. Harry Maynard. July, 36. Studio in the Home. April, 8. SURVEYS A N D D I R E C T O R I E S Annual Product Directory and List of Manufacturers. Sept., 12. AUDIO Tests Nine Phono Cartridges. Aug., 32. Cassette Tape Tests. Oct., 40.

Microphone Addenda. Feb., 28. Open-Reel Recorder Directory. April, 44. Quadraphonic Headphones. June, 28. The New Receivers and Tuners. Jan., 24. Tape Survey. May, 20. Turntable Directory. June, 46. TAPE R E C O R D E R S The Changing Face of Open-Reel. G.L. Taylor. April, 32. Logic Control of Tape Recorders. Ole Melvold. April, 26. Open-Reel Tape Recorder Directory. April, 44. TURNTABLES Automatic or Manual Turntables: Which One to Buy? Joe Lesly. June, 18. Turntable Directory. June, 46. WORKBENCH Heathkit IM-102 Digital Multimeter. Nov., 64. An Inexpensive Microphone. Roland H. Reiss. May, 55. Leader LBO-301 Oscilloscope. May, 56. The ZYX Phono System. Prof. I. Lirpa. April, 69.

AUDIO • DECEMBER 1973

Subject Index Amplifiers High-Voltage Amp Design, James Bongiorno, Feb., 30. Thermal Design of a High-Power Amplifier, J. L. Veranth, Feb., 24. Annual Product Directory, October Directory of Manufacturers, 30; Preamps, 34; Amps, 38; Receivers, 46; Multi-Play Turntables, 58; Manual

A Dipole Speaker System, Benjamin B. Bauer, Sept., 50. Education IAR—Classroom to Studio, Solomon R. Kunis, Aug., 50. Education in Audio, Paul Moverman, July, 26. Equipment Profiles A K A I 4000DS Tape Deck, May, 45. Altec Concept EQ5 Speaker System, Feb., 64. Applied Physics Lab APL-101 Speaker, June, 65. Audioanalyst A-200 Speaker, Jan., 55. Audionics High-Definition Quadraphonic Decoder, Aug., 64. BSR 710/X Turntable, Feb., 62. Bose 1801 Stereo Amplifier, Jan., 60. Crown DC-300A Amplifier, Nov., 64. Dynaco AF-6 AM/FM Tuner, Sept., 80. ESS Pre-Amp and Model 200 Power Amp, May, 48; Addendum, July, 51. Fairfax FX-350 Speaker System, Nov., 68. Fisher 4060 2/4-channel Receiver, June, 56. Frankman Integrated Stereo Speaker System, July, 46. Frazier Concerto F-10W-37 Speaker, March, 70. Harman/Kardon 900+ AM/FM Multichannel Receiver, May, 36.

92

Turntables and Tone Arms, 64; Tuners, 68; Phono Cartridges, 72; Open-Reel Tape Recorders, 74; Cassette and Cartridge Recorders, 79; Speakers, 92; Equalizers, 118; Headphones, 120; Microphones, 124; Addenda, Dec., 30. Book Review: Microphones by Lou Burroughs, David Lane Josephson, Dec., 56. Cartridges Nine CD-4 Phone Cartridges Tested, March, 36.

Hartley Stereo Speaker Sentry, June, 48. Hitachi TRQ-2040 Cassette Recorder, June, 62. JVC 4VR-5446 Four-Channel Receiver, Jan., 44. Magnavox MX-12 Speaker, May, 40. Marantz 4400 Stereo/4-Channel Receiver, Sept., 66. McKay Dymek AM-3 Tuner, Dec., 60. McKay Dymek DA-3 AM Antenna, Dec., 60. Nakamichi Tri-Tracer 1000 Cassette Recorder, March, 66. Panasonic Strain-Gauge (Semiconductor) Cartridge, Aug., 65. Pilot 366 Four-Channel Receiver, March, 60. Pioneer QX-949 Four-Channel Stereo Receiver, Apr., 52. Russound/FMP TMS-1W Tape Recorder Selector Switch, March, 82. Sansui AU-9500 Integrated Amplifier, June, 59. Scott 451C Sound Level Meter, Nov., 74. Sequerra Model 1 FM Tuner, Aug., 54. Sharp RT-480U Stereo Cassette Deck, Nov., 58. Sherwood Evolution One Speaker System, Apr., 58. Shure M688 Pre-Amplifier, Dec., 64. Superscope CD-302 Cassette Recorder, Dec., 62.

Christmas Buying Guide, Nov., 24. Construction Build a Theremin, Robert Brown and Mark Olsen, Nov., 38. Build an ES Tweeter/Cone Woofer System, Jan de Vries and Michael Lampton, Aug., 28. Construct a Magnetic-Cartridge Preamp, Alan G. Ogilvie, June, 40. A Stereo Control System, Richard Burwen, Oct., 20. Converting to Monophonic Gerard Rejskind, Apr., 66.

Sound,

Superscope R-350 AM/FM Stereo Receiver, Feb., 59. Tandberg TR-1055 FM/AM Stereo Receiver, July, 40. Technics by Panasonic RS-279US Cassette Recorder, Apr., 55. Technics by Panasonic SA-8000X 2/4Channel Receiver, Nov., 50. Technics by Panasonic SL-1200 DirectDrive Turntable System, July, 44. Thorens TD-125AB Mk. II Turntable, Feb., 67; Addenda, Apr., 64. Wollensak 4780 Cassette Tape Recorder, Aug., 62. Yamaha CA-1000 Integrated Amp, Sept., 81. The Gramophone: Basis for an Industry, Robert E. Brockway, June, 28. Headphones Headphones Around the House, Leonard Feldman, May, 24. Why Electrostatics? Jacob Turner, May, 22. Loudspeakers New Loudspeaker With Extended Bass, William H. Watkins, Dec., 38. Speaker Test Explanations, Richard C. Heyser, Anechoic Frequency Response, Nov., 44; Frequency Response-Phase, Dec., 71; Impedance Sept., 33.

AUDIO

•

DECEMBER 1974

Language of High Fidelity, Martin Clifford, Part XI, May, 28; Part XII, Dec., 48.

Microphones Microphones—Vital Link in the Recording Chain, David Lane Josephson, Part 2, July, 34; Conclusion, Aug., 38. Mikes of the Pre-War Era, Robert Paquette, Dec., 22. Mike Techniques and Sound Effects, Albert R. Jourdan, Dec., 32. Music The Folk Process, Ira Mayer, Apr., 47. Liv Taylor in Concert, Michael Nise, May, 58. Ragtime on Record, Charles B. Davis, Jr., June, 50.

Obituary Murray G. Crosby, Sept., 18. Organs Fixing Your Electronic Turino, Nov., 30.

Organ,

Quadraphonic Progress George W. Tillett, July, 20.

Jon

Report,

Quadra-Direction Discreet Compatible Stereo System, Fumitaka Nagamura, Part 1, Jan., 30; Part 2, Feb., 40; Conclusion, March, 46.

Recording Cassette Transport Problems, Neal Rayborn, Sept., 30. A Primer on Choosing Tape, William A. Manly, Sept., 34. Rx for 78s—Tape Them, Arthur Shifrin, Apr., 22. Sound Reinforcement All About "Q", Don Davis, Part June, 34; Conclusion, Sept. 58.

1,

Test Records From the Ortofon Test Record Library, Henning S. Madsen, March, 28. Tuners New IHF Tuner Specs, Leonard Feldman, Jan., 20. 20th Century Witchcraft—Electronic Surveillance, Daniel Queen, Jan, 40.

93

AUDIO

•

DECEMBER 1974

Subject Index

Craig 3139 Car Radio, July, 25; addenda, Oct., 20.

AM Radio Quality AM Radio, George McKay, Jan., 28.

Crown VFX/2 Crossover/Filter, Dec., 69. Dynaco 400 Basic Amplifier, May, 46. ELAC 760 Automatic Turntable, Aug., 62. Elekt-O-Fonie FU-100 Receiver, Apr., 54. EPI One Basic Amplifier, Nov., 66. Ferrograph Super Seven Open-Reel Tape Deck, Mar., 42. Fisher ST-425 Speaker System, Jan., 48. GAS Ampzilla Basic Amplifier, Sept., 57. Heath AR-2020 Receiver, June, 48. Hitachi HS-300 Speaker System, Mar.,

Amplifiers Bi-Amplification, John M. Lovda and Stephen Muchow, Sept., 20. Power FETs, Bascom H. King, Feb., 42. Transient IM Distortion, W. Marshall Leach, Feb., 34. Cassette Decks: How Well Do They Stack Up, George W. Tillett, Sept., 38. Christmas Buying Guide, Nov., 54. Construction Articles Build an Audio Generator, M. J. Salvati, Oct., 22. Build A Dynamic Noise Suppressor, Maxwell S. Strange, June, 34. Crossword Puzzle, Aug., 38. dBs Made Simple, Herman Burstein, Jan., 36. Directories Annual Product Directory, October. Addenda, December, 77. Directory of Manufacturers, Oct., 30. Amplifiers, 36; Cassette and Cartridge Tape Decks, 72; Equalizers, 105; Headphones, 102; Loudspeaker Systems, 76; Microphones, 106; MultiPlay Turntables, 58; Open-Reel Tape Decks, 68; Phono Cartridges, 64; Preamplifiers, 44; Receivers, 52; SinglePlay Turntables and Tonearms, 60; Tuners, 48. Car Speakers Directory, July, 18. Car Stereo Radio/Tape Player Directory, July, 13. Car Stereo Radio/Tape Player Manufacturers, July, 12. Equipment Profiles Ace Audio ZDP Preamplifier, April, 60. ADS 2001 Car Speaker System, July, 36. A K A I GX-400D-SS Open-Reel Tape Deck, Feb., 56. Avid 102 Speaker System, Sept., 62. Becker Mexico Car Radio, July, 25. B&O BE-2200 Cassette Deck, Aug., 67. BGW 500D Basic Amplifier, Dec., 76. C/M Laboratories, RR-805 Receiver, June, 54.

AUDIO • DECEMBER, 1975

46. J.I.L. 605 Car Radio, July, 26. JVC 4VR-5426X Receiver, Aug., 47. Kensonic C-200 Control Amplifier, P-300 Basic Amplifier, Mar., 49. Kenwood KP-5022 Turntable, Sept., 65. Kenwood KX-710 Cassette Deck, Apr., 65. Koss HV/1A Headphones, Dec., 68. Marantz 125 Tuner, Feb., 54. Nakamichi 500 Cassette Deck, Nov., 62. Nakamichi Large Reference Monitor Speaker System, Dec., 72. Panasonic CQ-999 Car Radio, July, 28. Phase Linear 4000 Preamplifier, Nov., 58. Philips RH-532 Speaker System, Apr., 67. Pickering XUV/4500Q Phono Cartridge, Nov., 71. Pioneer KP-301 Car Radio, July, 30. Pioneer CT-F7171 Cassette Deck, Nov.,72.

Polk Nine Speaker System, May, 36. R a d i o S h a c k S T A - 2 2 5 Receiver, Dec., 46. SAE Mk IIICM Basic Amplifier, Jan., 61; Addendum, Aug., 69. Sansui 881 Receiver, Apr., 55. Scott R77S Receiver, May, 32. Sharp RT-480U Cassette Recorder Addendum, Jan., 65. Sherwood 7210 Receiver, July, 34. Shure M-64 Preamplifier, Feb., 61. Sony TC-755 Open-Reel Tape Deck, Sept., 67. Soundcraftsmen PE-2217 Equalizer, Mar., 36. Supex SD-900/E Phono Cartridge, Sept., 60.

117

Sylvania AS-210A Speaker System, Aug., 63. Technics by Panasonic RS-676 Cassette Deck, May, 72. Technics by Panasonic T-400 Speaker System, Dec., 54. Technics by Panasonic SA-8500X Receiver, Mar., 31. Wollensak 8080 8-track Cartridge Deck, Aug., 52. Yamaha B-1 Basic Amplifier, Aug., 56. Yamaha CR-1000 Receiver, Jan., 44. Yamaha CT-7000 Tuner, Dec., 64. Yamaha YP-701 Automatic Turntable, June, 52.

Basics of Turntables, David L. Josephson, June, 26. Adopt/on of the Westrex 45/45 System, Ralph W. Wight, Mar., 24.

FTC Ruling On Amplifiers FTC Wattage Ratings: An Optimistic View, Brian Wachner, Feb., 22. FTC Wattage Ratings: An Alternative View, Robert Tucker, Feb., 30. How Valid is the FTC Preconditioning Rule?, Joseph DeMarinis, Sept., 30. Headphones Dual Impedance Headphone Circuit, D. A. Kerr, May, 24. Piezoelectric Principle in Headphones, Martin Clifford, May, 28. Language of High Fidelity, Part XIII, Martin Clifford, Dec., 38. Miking With The Three-Point System, Dec., 28. Quadraphony What Do You Really Hear in Quadraphony?, Daniel Shanefield, Nov., 44. Up-Date: Musings on the Four-Channel Scene, George W. Tillett, Nov., 36. Record Cleaners—Do They Really Work? B. V. Pisha, Mar., 20. Loudspeaker Systems Earthquake Sound System, C. J. Czerwinski and G. R. Lewis, Apr., 46. Motional Feedback in Loudspeaker Systems, George W. Tillett, Aug., 40. Speaker Tests, Richard C. Heyser; Polar Response, May, 30; Room Test, Jan., 66. A. N. Thiele—Sage of Vented Speakers, Ray J. Newman, Aug., 30. Recording at Home Through the Years, George Blacker, Apr., 28. Sun Ra, The Many Worlds of, Tom Bingham, Mar., 56. Syn-Aud-Con—Audio Toolmaker, Carolyn P. Davis, Sept., 54. Making Tape, Joseph Kempler, Apr., 38.

118

AUDIO • DECEMBER, 1975

Subject Index AM/FM Radio New Standards for Tuners and Receivers, Leonard Feldman, Jan. 30. Syndication of Quadraphonic Radio Programs, Martin Clifford, Nov., 46. Amplifiers Build a Low TIM Amplifier, Marshall Leach, Feb. 30; Addenda, April, 12. Construction Articles Build A Boost/Rumble Filter, Dick Crawford, June, 44; Addenda, Dec., 30. Build a Low TIM Amplifier, Marshall Leach, Feb., 30; Addenda, April, 12. Build a Mike for Binarual Listening, Gene A. Nelson, May, 34; Addenda, Sept., 16. Joseph Giovenco, Nov., 46. Switched-On Bass, W.J.J. Hoge, Aug., 34. Designing Custom Installations, Paul Seydor, Jan., 30. 20,000 Watt Home Hi-Fi, Richard S. Burwen, April, 44. Car Speaker Placement, Tomlinson Holman, July, 54. Christmas Buying Guide, Nov., 26. Directories Annual Product Directory, Oct. Directory of Manufacturers, Oct., 16. Amplifiers, 36; P r e a m p l i f i e r s , 48; Tuners, 54; Receivers, 58; Single Play Turntables and Tonearms, 66; MultiPlay Turntables, 76; Phono Cartridges, 78; Loudspeakers, 86; Open-Reel Tape Decks, 110; Cassette & Cartridge Tape Decks, 113; Headphones, 118; Microphones, 120; Equalizers, 126. Annual Product Directory Addenda, Dec. 52. Addenda II to 1975 Equipment Directory, Jan. 46. Car Stereo Radio/Tape Player Directory, July, 36. Car Speakers Directory, July, 50. Discounts A Dealer's View of Discounts and Ser-

122

vice, Martin Clifford & Margaret Eisen, Oct., 28.

Equipment Profiles Advent 400 Table Radio, Jan., 52. Akai AA-1050 Receiver, June, 50. Allison: One Speaker System, April, 70. Audioanalyst A-100X Speaker, Sept., 62. Audio Pulse Model One Time Delay Unit, Dec., 40. B • I • C 960 Turntable, June, 58. BSR FEW-3 Equalizer, Dec., 71. Crown M-600 Amp, Nov., 92. Dual Auto/Reverse Cassette Deck, May, 55. Dual 601 Turntable, Jan., 50. Duntech DL-15 Speaker, Aug. 60. Dynaco A-25XL Speaker, Nov., 85. Dynaco PAT-5 Preamp, Feb., 64. Electro-Voice Interface: A Speaker, March, 58. ESS "Eclipse" 2240 Crossover, July, 64. GTE Sylvania RS4744 Receiver, Feb., 48. Garrard 86 SB Turntable, July, 64. Harman/Kardon Citation 16 Amplifier, Dec., 76. Heath AA-1640 Amp, Nov., 76. Information Terminals Cassette Gauge, March, 56. JVC S-300 Receiver, Sept., 48. JVC CD-1970 Cassette Deck, Dec., 65. Kenwood KA-3500 Amp, Dec., 68. Lux 310 Tuner, Jan., 48. Marantz 1150D Amp, March, 52. Mark Levinson JC-2 Preamp, April, 62. McIntosh C-28 Preamp, Nov., 60. McIntosh MAC1900 Receiver, June, 66. McKay-Dymek AM-5 Tuner & DA-5 Antenna, Aug., 54. Micro-Acoustics QDC-1e Phono Cartridge, Jan., 56. Motorola TC877AX Car Stereo, July, 31. Nakamichi 600 Cassette Deck, Sept., 66. Onkyo TX-4500 Receiver, Dec., 58. Otari MX-5050-2SH Tape Deck, April, 60.

Pioneer RG-1 Processor, May, 62. Quintessence Equalizer 1, Feb., 54. SAE Mk VII Tuner, Feb., 58. Sansui SR-717 Turntable, May, 60. Sonab C-500 Cassette Deck, Nov., 52. Sound Concepts SD-50 Time Delay, Dec., 40. Sound Guard Record Preservative, April, 62. Spectro-Acoustics 210 Equalizer, Nov., 54. Tandberg TR-2075 Receiver, March, 44. Technics RS-630US Cassette Deck, Dec., 73. Technics SA-5550 Receiver, May, 52. Thorens TD-145C Turntable, March, 57. White 140 Analyzer, Nov., 89. Yamaha HP-1 Headphones, Nov., 74. Hearing Hearing Loss in Rock Musicians, Dr. David M. Lipscomb, March, 32. Loudspeakers Speaker Tests: THD, Richard C. Heyser, Feb., 18. IM Distortion in Speaker Systems, Richard C. Heyser, March, 38. Audio's Crescendo Test, Richard C. Heyser, May, 30. Energy-Time Test, Richard C. Heyser, June, 74. Summer Sound Systems, Glen M. Ballou, Aug., 24. Switched-On Bass, W.J.J. Hoge, Aug., 34; Addenda, Nov., 24. Doppler Distortion in Loudspeakers,

James Moir, Aug., 42. Memorabilia Mills Vilano-Virtuoso, Oct. 24. Microphones Microphone Sensitivity Ratings, Alfred Lorona, Dec. 32. Music Let's Be Fair to Our Favorite Composers, Felix Arnstein, Feb., 76. Of Rosie, Mame, Liza, Ellen, and Rod, Donald M. Spoto, Feb., 79. Dr. John—The Gris-Cris Man, Andy

Phase Linear 2000 Preamp, Sept., 56. Panasonic CQ-840EU Car Stereo, July, 30.

Doherty, May, 64. Newport Jazz Festival, Martha Sanders

Pioneer PL-71 Turntable, Feb., 74. Pioneer KP-500 Car Stereo, July, 29.

Gilmore, May, 72. Celebrating the Duke, Dan Morgen-

AUDIO • DECEMBER, 1976

stern, April, 74. The Feast Is Yours, Michael Tearson, Sept., 70. Phono Styli A New Suspension System for Phono Styli, Werner Fidi & Geoffrey M. Langdon, March, 24. Quadraphony Build the Latest CD-4 Demodulator, Joseph Giovenco, Nov., 36. Syndication of Quadraphonic Radio Programs, Martin Clifford, Nov., 46. Record Cleaners Record Cleaners Revisited, B.V. Pisha, May, 40. Records Making Records, June, 38.

Ralph

Cousino,

Tape Understanding the NAB EQ Standard, Herman Burstein, April, 32. Understanding S/N Ratios, Herman Burstein, Sept., 32. Reading VU Meters, C.E. Moule, Sept., 42. Three

Car

Radios

Tested,

Leonard

Feldman, July, 28. Time Delay for Ambience, Leonard Feldman, Dec., 40.

AUDIO • DECEMBER, 1976

123

Subject Index AM/FM Radio Nothing New Under The AM Sun, Michael N. Stosich, Jan., 59. Remedying R.F. Interference, Joseph Giovanelli, Jan., 24. Amplifiers Amp Design and Overload, R.A. Greiner, Nov., 50. Construct A Class-A Amplifier, Nelson Pass, Feb., 28. Power Amplifiers & The Loudspeaker Load, Jeffrey H. Johnson, Aug., 32. Construction Build A Low-Noise Preamp with Weighting Filters, M.J. Salvati, May, 38. Construct A Class-A Amplifier, Nelson Pass, Feb., 28. Construct A Wideband Preamp, W. Marshall Leach, Feb., 38; Addenda, April, 20, and Sept., 38. Low TIM Amp-Part II, W. Marshall Leach, Feb., 48. Directories Annual Product Directory, Oct. Directory of Manufacturers, Oct., 42. Preamplifiers, 52; Amplifiers, 64; Tuners, 84; Receivers, 92; Single-Play Turntables & Tonearms, 104; MultiplePlay Turntables, 114; Phono Cartridges, 116; Loudspeakers, 122; Cassette & Cartridge Decks, 154; OpenReel Tape Decks, 160; Headphones, 162; Microphones, 166; Equalizers, 169. Annual Product Directory Addenda, Dec., 108. Car Stereo Manufacturers Directory, July, 34. Car Radio/Tape Player Directory, July, 35. Car Speaker Directory, July, 44. Car Stereo Directory Addenda, Oct., 171. Equipment Profiles AKG C451E Condenser Microphone System, Aug., 74. Advent 300 Receiver, June, 104. AIWA AD-1800 Cassette Deck, April, 74. BGW Systems 203 Preamplifier, Nov., 96. Celestion UL-10 Loudspeaker System, Jan., 46.

AUDIO • December 1977

Clarion PE-666A Cassette/AM/FM Car Stereo, July 68. db Systems DB-1 Preamplifier & DB-4 Moving Coil Pre-Preamp, May, 72. dbx 128 Dynamic Range Enhancer, Nov., 106. Dual 1249 Automatic Turntable, Feb. 70. Dynaco SE-10 Equalizer, April, 67. Fosgate PR-7000 Audio Amplifier, July, 56. Garrard GT55 Turntable, April, 72. Hartley Zodiak 76 Loudspeaker, June, 72. J.I.L. 615 CB/AM/FM/MPX Radio/Stereo Cassette Player, July, 62. Jensen 530 Loudspeaker, July, 84. Lirpa I Receiver, April, 60. Lux MB-3045 Amplifier, Nov., 80. Marantz 510M Basic Amplifier, March, 72. McIntosh C-32 Stereo Preamplifier/Control, Dec., 70. McIntosh MC-2205 Power Amplifier, Sept., 70. McIntosh MR-78 Tuner, Feb. 66. Mitsubishi DA-F10 Tuner, Dec.,102. Nakamichi 630 Tuner-Preamplifier, Sept., 77. Nikko 9095 Receiver, Jan., 42. Optonica RT-3535 Cassette Deck, Aug., 78. Philips AH-572 Preamplifier, Nov., 64. Pickering XSV/3000 Phono Cartridge, June, 100. Pioneer SX-1250 Receiver, Jan., 64. Pioneer 510A Turntable, Aug., 77. Pioneer RT-2022 Open-Reel Tape Deck, Sept., 66. Pioneer TX-9500-II Tuner, May, 66. Rabco ST-7 Turntable, Jan., 74. Radio Shack STA-2000 Receiver, March, 62. Russound FMP SP-1 Switching Center, Nov., 112. SAE 5000 Impulse Reduction System, June, 86. Sansui BA-5000 Amplifier, Nov., 100. Scott R-376 Receiver, June, 64. Sherwood Micro/CPU 100 FM Tuner, Nov., 70. Shure 516EQ Microphone, April, 76. Sonus Blue Phono Cartridge, April, 70. Soundcraftsmen TG-2209-600 Graphic Equalizer, Nov., 88. Sony TAE-5450 Preamplifier, March, 66. Sony STR-6800SD Receiver, Aug., 66. Tandberg TCD-330 Cassette Deck, Aug., 71. Tannoy Berkeley Loudspeaker System, Dec., 80. Technics SA-5760 Receiver, Jan., 64. Technics RS-1500US Open-Reel Tape Recorder, May, 80. Technics SL-1350 Turntable, June, 82. Yamaha CR-2020 Receiver, June, 90. Filters Build A Simple Pink-Noise Filter, Dr. Robt. Mauro, March, 36.

157

Headphones What You Don't Know Hurts, Jacob C. Turner, May, 32. Hearing Perception & Geometry, Richard C. Heyser, June, 52. The Physiology of Hearing, Dr. A. Joseph Ray Jr., Ph. D. May, 54. History Movie Sound Reproduction, Milliard, March, 44. Thirty Years of Audio, Eisenberg, May, 48.

John K Norman

Nothing New Under the AM Sun., Michael N. Stosich, Jan., 59. Wags and Tales That Started a Revolution, Oliver Berliner, Dec., 36. Edison Tin-foil Phonograph, Dr. Peter E. Hillman Ph.D., Dec., 60. Loudspeakers Power Amplifiers and the Loudspeaker Load, Jeffrey H. Johnson, Aug., 32. The Search for an Optimum Transmission-Line Speaker, W.J.J. Hoge, Aug., 44, Nov., 34. Time Alignment™ in Loudspeakers, Edward M. Long, Aug., 58. Modulation Distortion in Loudspeaker Systems, Stephen Kurtin, Dec., 54. Microphones Miking the Pro Way, Howard A. Roberson, Nov., 40. The Compleat Microphone Evaluation, Jon Sank, April, 48. Movie Sound Movie Sound Reproduction, John K. Milliard, March, 44. Music lohn Cage—Musical Radical, David D. Spitzer, Sept., 40. Noise Build a Low Noise Preamp With Weighting Filters, M.J. Salvati, May, 38. Fighting Distortion on Tape, Wayne Saylor, April, 34. Phono Cartridge Noise, John Maxwell, March, 40. Pink Noise Filter, Dr. Robert Mauro, March, 36. Remedying R.F. Interference, Joseph Ciovanelli, Jan., 24.

Preamplifiers Build a Low-Noise Preamp With Weighting Filters, M.J. Salvati, May, 38. Cheap & Dirty Inverse RIAA/Square Wave Generator, Dennis Bohn, Feb., 65. Construct a Wide-Band Preamp, W. Marshall Leach, Feb., 38. Dynamic Range Requirements of Phonograph Preamplifiers, Tomlinson Holman, July, 72. New Tests for Preamps, Tomlinson Holman, Feb., 58. Records Iron Curtain Records, Greg Morrow, June, 44. The Sheffield Story, Andrew P. Teton, Jan., 34. Square Wave Generator Cheap & Dirty Inverse RIAA/Square Wave Generator, Dennis Bohn, Feb., 65. Tape Fighting Distortion on Tape, Wayne Saylor, April, 34. Open Reel vs. Cassette, Herman Lia, April, 28. Thinking About Print-Through, William Manly, Sept., 54. Three Car Components Tested, Leonard Feldman, July, 56. Tonearms Tonearm Design and Other Joseph F. Grado, Aug., 28.

Things,

Turntables Do Turntables Effect Sound?, Joseph F. Grado, June, 36. Turntables & Noise, Joseph F. Grado, July, 22. Turntables, Part IV, Arm Cartridge Resonance, Joseph F. Grado, Oct., 30.

Phono Cartridge Phono Cartridge Noise, John Maxwell, March, 40. Phonographs Do Turntables Effect Sound?, Joseph F. Grado, June, 36. Dynamic Range Requirements of Phonograph Preamplifiers, Tomlinson Holman, July, 72. Tonearm Design and Other Things, Joseph F. Crado, Aug., 28. Turntables & Noise, Joseph F. Crado, July, 22. Turntables, Part IV, Arm Cartridge Resonance, Joseph F. Grado, Oct., 30.

158

AUDIO • December 1977

Dolby Noise Reducer, Geoffrey Shorter, May, 78. Dolby Noise Reducer, Part II, June, 114. Dolby Noise Reducer, Part III, July, 82. Cascode Amp March, 52.

Subject Index New IHF Amplifier Standard, Edward J. Foster, June, 24. Antennas What Kind of FM Antenna Is Best for You? M.J. Salvati, Jan., 30. Transmission Lines & Signal Distribution, M. J. Salvati, Feb., 54. Reception Problems, M.J. Salvati, March, 36. Complete Antenna Systems, M. J. Salvati, April, 42. Book Reviews Modification Manual for Vacuum Tube Electronics, Feb., 32. The Album Cover Album, Feb., 32. John Hammond on Record, Feb., 34. Record Art Books Compared, James Wizard Wilson, June, 70. Silver Ghosts, Aug., 103. 1988: The New Wave Punk Rock Explosion, Aug., 103. Acoustic Design, Aug., 103. Car Stereo Four Car Stereos Tested, Len Feldman, July, 48. Car Stereo Directory of Manufacturers, July, 28. Car Stereo Directory, July, 30. Car Speaker Directory, July, 36. Cassettes 58 Cassettes Tested, Howard A. Roberson, Sept., 42. Performance of High-Energy Materials in Cassettes, Peter Vogelgesang, Sept., 54. Cassette Tapes Tested — An Update. Howard A. Roberson, Dec., 71. Construction Build an Audio Phase Detector, Charles Kitchin, Jan., 54. Build a Pre-Preamp, W. Marshall Leach, Feb., 36. Build a Speaker Power Indicator, Almon Clegg, March, 42.

164

Design,

Nelson

Pass,

Directories Annual Product Directory, Oct. Directory of Manufacturers, Oct., 38. Preamplifiers, 58; Amplifiers, 68; Tuners, 78; Receivers, 86; Turntables, 96; Tonearms, 105; Phono Cartridges, 106; Cassette, 8-Track, & Elcaset Tape Decks, 114; Open-Reel Tape Decks, 122; Headphones, 126; Loudspeakers, 130; Microphones, 172, and Equalizers, 177. Annual Product Directory Addenda, Dec., 62. Directory II, Nov. Blank Tape, 54; Record Care Products, 62; Speaker Stands, 63; Power Indicators, 68; Time Delay & Ambience Generation Systems, 68; Recorder Care Products, 72; Noise Reduction & Filter Systems, 76; Switching Systems, 80; Component Racks, 84, and Directory of Manufacturers, 88. Car Stereo Manufacturers Directory, July, 28. Car Radio/Tape Player Directory, July, 30. Car Speaker Directory, July, 36. Car Stereo Directory Addenda, Dec., 68. Disco Scene '78, Stephen Traiman, June, 64.

Dolby Build A Dolby Noise Reducer, Geoffrey Shorter, May, 78. Build a Dolby Noise Reducer, Part II, June, 114. Build a Dolby Noise Reducer, Part III, July, 82. Equipment Profiles AKG P8ES Phono Cartridge, Dec., 96. Ace Audio 3100 Preamplifier, April, 87. Acutex M320III STR Phono Cartridge, June, 112. Aiwa AD-6550 Cassette Deck, Dec., 100. Armstrong 625 Receiver, March, 78. Audio General 511 Preamp, June, 86. B&W DM-6 Speaker, Feb., 74. B&O M70 Speaker, May, 64. Beyerdynamic M500N (C) Microphone, Feb., 89. Big Tape Head Maintenance Kit, Nov., 112. Burwen DNF-1201A Noise Filter, Jan.,

Hitachi SR-2004 Receiver, Nov., 92. JVC KD-85 Cassette Deck, Nov., 100. JVC QL-7 Turntable, Dec., 92. Janis Audio W-1 Subwoofer, June, 94. Kenwood KX-1030 Cassette Deck, May, 64. Lenco C2003 Cassette Deck, Nov., 120. Lirpa "VDRS" Vehicular Disc Reproduction System, April, 71. Lux R-1120 Receiver, Aug., 70. Marantz 2500 Receiver, Feb., 64. Marantz 5030 Cassette Deck, Dec., 84. McIntosh C-27 Preamplifier, Sept., 78. Motorola TC 887 AX Car Radio & Cassette Player and EQB-3000 Equalizer/ Booster, July 51. Nakamichi CM-700 Microphone, Sept., 90. Nakamichi 730 Receiver, Dec., 74. Nakamichi T-100 Audio Analyzer, Nov., 128. Neumann fet-80 Microphone, Jan., 80. Onkyo A-7 Amplifier, Jan., 68. Optonica ST-3636 Tuner, Dec., 108. Panasonic CX-7100 Cassette Deck, CA9500 Tuner, and CH-3510, Booster, July, 64. Pioneer SX-1980 Receiver, Sept., 70. Pioneer TVX-9500 TV Tuner, Nov., 108. Project/One Mark IVB Receiver, April, 81. Realistic Sound Level Meter, Nov., 119. Sanyo FT-1490A Car Radio-Cassette Player, July, 56. Satin M-18 BX Phono Cartridge, Dec., 106. Scott CD-87R Cassette Deck, Aug., 82. Shure M615AS Analyzer System, July, 92. Sony PS-X6 Turntable, July, 86. Sony TC-K7II Cassette Deck, Aug., 76. Sparkomatic SR-48 Car Radio & Cassette Deck, July, 50. Spectro Acoustics 217 Preamplifier, Feb., 86. Stanton 881S Phono Cartridge, Nov., 105. Studer-Revox

B-77 Open-Reel Recor-

der, Sept., 84. Tandberg TR-2040 Receiver, June, 102. Technics RS-9900US Tape Deck, June, 106. Toshiba PC-3060 Cassette Deck, Feb., 82. White 4100 Equalizer, Nov., 125. Yamaha CR-420 Receiver, Nov., 114.

Equivalent Mass—Fact or Roger Anderson, March, 60.

Fiction?,

FCC's Four-Channel Listening Alfred W. Myers, May, 24.

Tests,

FM Specifications Revisited, Leonard Feldman, April, 58.

76. Cerwin-Vega Metron PR-1 Preamplifier, May, 74.

Headphones—History ment, P. Milton, May, 89.

Dual 939 Cassette Deck, April, 92. Garrard GT-35 Turntable, April, 90.

Japan Audio Fair, George W. Tillett,

& Measure-

Feb., 42.

AUDIO

•

December

1978

Listening Recordings for Critical Listening, Daniel Shanefield, Jan., 40. Headphones—History & Measurement, P. Milton, May, 89. Loudspeakers TDS in Sound Measurements, Don Davis, Jan., 46. Another Look at Crossover Networks, Neville Thiele, Aug., 38. Confessions of a Loudspeaker Engineer, W.J.J. Hoge, Aug., 47. Sabine Reverberation Equation and Its Offspring, Don Davis, Aug., 56. Measurements TDS in Sound Measurements, Don Davis, Jan., 46. Audio Phase Detector, Charles Kitchin, Jan., 54. FM Specifications Revisited, Leonard Feldman, April, 58. FCC's Four-Channel Listening Tests, Alfred W. Myers, May, 24. Phono Reproduction 1978, James H. Kogen, et al., May, 32. Phono Reproduction 1978, Part II, June, 42. New IHF Amp Standard, Edward J. Foster, June, 24. A New Standard in Turntable Speed Constancy, George T. Gillies, Rogers C. Ritter, & Robert T. Rood, June, 78. The Compleat Microphone Review— An Update, Jon Sank, Sept., 35. 58 Cassettes Tested, Howard A. Roberson, Sept., 42.

Les Paul, Interview, Paul Laurence & Bob Rypinski, Dec., 3 6 . Phono Cartridges Equivalent Mass—Fact or Fiction?, Roger Anderson, March, 60. Phonograph Reproduction 1978, James H. Kogen, et al., May, 32. Phono Reproduction, Part II, James H. Kogen, et al., June, 42. Recordings for Critical Listening, Daniel Shanefield, Jan., 40. Guide to Good Service, Herman Burstein, July, 68. Standards FM Specifications Revisited, Leonard Feldman, April, 58. New IHF Amp Standard, Edward J. Foster, June, 24. Tape Tape Slitting & Edge Quality, Wayne Saylor, April, 28. 58 Cassettes Tested, Howard A. Roberson, Sept., 42. Performance of High-Energy Materials in Cassettes, Peter Vogelgesang, Sept., 54. A New Recording System, Herman Lia, July, 76. A New Standard in Turntable Speed Constancy, George T. Gillies, Rogers C. Ritter, & Robert T. Rood, June, 78.

Microphones The Compleat Microphone Review— An Update, Jon Sank, Sept., 36. A Basic Guide to Coincident Microphones, Charles P. Repka, Nov., 40. Music Recordings for Critical Listening, Daniel Shanefield, Jan., 40. My Friend, The Maestro . . . Leopold Stokowski, Bert Whyte, Jan., 58. George Martin, Interview, Paul Laurence, May, 46. Les Paul, Interview, Paul Laurence & Bob Rypinski, Dec., 36. Disco Scene '78, Stephen Traiman, June, 64. Open-Reel Renaissance, Gruber, April, 52.

Gary

R.

Perils of Patchwork, Clyde J. Schultz, March, 68. Personalities My Friend, The Maestro . . . Leopold Stokowski, Bert Whyte, Jan., 58. George Martin, Interview, Paul Laurence, May, 46. Tall Tales, Joel Tall, Oct. 16.

AUDIO • December 1978

165

Line Surge and Hash Protection for HiFi Equipment, F. J. Stifter, May, 38. Build a Headphone Amp, Walter G. Jung, May, 56.

Addenda AKG P8ES Phono Cartridge (Equipment Profile, Dec. 1978, 96), Feb., 12. Satin M-18BX Moving-Coil Phono Cartridge (Equipment Profile, Dec. 1978, 106), Feb., 12. Amps & Preamps Build an Amplifier Strapping Circuit, W. Marshall Leach, Feb., 40. Build a Microphone Preamp, W. J. J. Hoge, Feb., 50. Build a Headphone Amp, Walter G. Jung, May, 56. Quick-Build a Speaker Impedance Checker, M.J. Salvati, Aug., 32. The Ins and Outs of Toroidal Transformers John I. Brown, Dec., 38. Antennas Antennas — Part V: Special Antenna Techniques, M. J. Salvati, Jan., 42.

Book Reviews Honkers and Shouters: The Golden Years of Rhythm and Blues, Jan., 28. Walk Away Rene, Jan., 29. Music, Speech & High Fidelity, Feb., 34. Active-Filter Cookbook, Feb., 34. IC Timer Cookbook, March, 99. Handbook of Noise Assessment, March, 99. Audio IC Op-Amp Applications, Sept., 74. Noise Reduction Techniques in Electronic Systems, Sept., 74. Grounding and Shielding Techniques in Instrumentation, Sept., 74. The Complete Handbook of Public Address Systems, Sept., 78. The Face of Rock & Roll, Sept., 78. Dictionary of Scientific and Technical Terms, 2nd Edition, Nov., 110. The History of Radio, Nov., 110. TV Antennas and Signal Distribution Systems, Nov., 110.

Car Stereo Directory — Radios/Tape Players, July, 56. Car Stereo Directory — Speakers, July, 64. Car Stereo Directory — Amps / Equalizers, July, 73.

Cassettes Tape-to-Deck Matching for Best Dolby Tracking, Howard A Roberson, Sept., 44. Up in the Air About Metal Tape?, Howard A Roberson, Sept., 50. Metal Cassette Tests, Howard A. Roberson, Sept., 54.

Construction Build an Amplifier Strapping Circuit, W. Marshall Leach, Feb., 40. Build a Stepped Volume Control, W. Marshall Leach, Feb., 44. Build a Microphone Preamp, W. J. J. Hoge, Feb., 50. Magnetic Shielding, Herman Burstein, April, 46. Build a Tape Deck Switching Box, John T. Peer, April, 50.

Quick-Build a Speaker Impedance Checker, M. J. Salvati, Aug., 32. The Ins and Outs of Toroidal Transformers, John I. Brown, Dec., 38.

Directories Car Stereo Directory, July. Directory of Manufacturers, 54; Radios/Tape Players, 56; Speakers, 64; Amps/Equalizers, 73. Annual Equipment Directory, Oct. Directory of Manufacturers, 34; Amplifiers, 46; Preamplifiers, 60; Tuners, 66; Receivers, 70; Turntables, 76; Phono Cartridges, 85; Tonearms, 100; Cassette & 8-Track Tape Decks, 102; Open-Reel Tape Decks, 112; Equalizers, 114; Headphones, 116; Loudspeakers, 120; Microphones, 148. Directory II, Nov. Blank Tape, 54; Directory of Manufacturers, 66; Ambience and TimeDelay Units, 68; Noise-Reduction and Filter Systems, 70; CompressorsExpanders, 72; Record Care Accessories, 74. 1978 Equipment Directory Addenda II, Jan., 30.

Distortion Theory A View Through Different Windows, Richard C. Heyser, Feb., 56. Catastrophe Theory and Its Effect on Audio, Richard C. Heyser, Part I, March, 52; Part II, April, 36; Part III, May, 42. Phase Time, Ears & Tape, William A. Manly, April, 52. An Overview of SID and TIM, Walter G. Jung, Mark L. Stephens, and Craig C. T o d d ; Part I, June, 59; Part II, July, 38; Part III, Aug., 42.

Dolby Tape-to-Deck Matching for Best Dolby Tracking, Howard A. Roberson, Sept., 44.

Car Stereo Tips from a Pro — Car Speaker Installation, July, 52. Car Stereo Manufacturers Directory, July, 54.

146

Equipment Profiles ADC Model LMF-2 Tonearm & ZLM Phono Cartridge, Jan., 92.

AUDIO • December 1979

ADC Model 1700DD Semi-Automatic Turntable, Dec., 84. ADS Model 10 Digital Time Delay System, June, 98. Acoustic Research AR90 Loudspeaker, Nov., 88. Advent 500 SoundSpace Control, May, 70. Akai GX 267D Open-Reel Tape Deck, June, 106. Audio Technology 510 Peak Responding Delay, May, 68. Bauman Research Pro-400 Preamplifier, Nov., 102. Berkshire Audio Products MatchMaker, March, 93. Berkshire Audio Products CCM Capacitance Meter, March, 94. Cotter MK-2 Transformer, March, 94. Crown DL-2 Digilogic Control Center, March, 89. db Systems DBP-6 Phono Equalization Kit, March, 93. Decca London International Tonearm & Mk VI Cold Elliptical Phono Cartridge, Aug., 72. Empire Disco Film Record Cleaner, April, 75. Empire EDR.9 Magnetic Phono Cartridge, Sept., 66. Infinity Black Widow Tonearm, March, 76. Jensen R-430 Car Stereo Cassette/Receiver, Jan., 70. KEF 104aB Loudspeaker System, Dec., 88. KLH/Burwen Research TNE7000 Transient Noise Eliminator, Jan., 105.

Kenwood

KR-7050 Receiver, July, 76.

Lirpa 1 Showermike, April, 70. McKay Dymek DR-33 A l l - W a v e Receiver, Sept., 70. Megatronics HV9100 Ribbon (Velocity) Magnetic Phono Cartridge, May, 66. Nakamichi 582 Cassette Deck, Aug., 82. Nikko Gamma I Tuner, May, 64. Onkyo TX-2500-II Receiver, Feb., 74. Ortofon MC-30 Moving-Coil Phono Cartridge & T-30 Transformer, Nov., 98. PS Audio Model PS-II Phono Preamplifier, Feb., 80. Phase Linear 3000 Series II Preamplifier, Jan., 76. Pioneer TX-9800 Tuner, Nov., 80. Professional Systems Engineering (PSE) Studio One Preamplifier and Studio Two Power Amplifier, April, 72. Quad (Acoustical Mfg., Ltd.) 405 Power Amplifier, April, 77.

AUDIO • December 1979

Realistic SCT-30 Cassette Deck, June, 94. ReVox Model B 790 Turntable, June, 92. Rotel RT-2100 Tuner, Sept., 58. SAE Model 2922 Integrated Amplifier, March, 84. Sansui SR-838 Direct-Drive Turntable, Feb., 70. Sanyo RD5350 Cassette Deck, Feb., 87. H. H. Scott 390R Receiver, Aug., 60. Sencore PR50 Audio Prescaler, April, 76. Shure V15 Type IV Phono Cartridge, Feb., 68. Sonus Gold Series II Blue Label Phono Cartridge, July, 81. Sony ECM-56F Electret Condenser Microphone, Jan., 103. Soundcraftsmen RP2215-R Stereo Equalizer, July, 83. Stanton Permostat Anti-Static Record Treatment, May, 60. TDK HD-01 Head Demagnetizer,

March, 96. TDK Test Tapes, Dec., 82. TEAC Model C-1 Cassette Deck, Dec., 78. Tandberg TD 20A Open-Reel Tape Deck, March, 64. Technics RS-616 Cassette Deck, Feb., 84. Technics RS-M85 Cassette Deck, June, 87. Visonik DD-8200 Turntable, May, 76. Warp Out Record Weight, Sept., 64. Yamaha NS-1000 Loudspeaker System, Jan., 82. Yamaha CR-2040 Receiver, June, 74.

The Forum AM Clear-Channel Proposal, Lawrence D. Swift, May, 6. Polarity Convention, Richard C. Heyser, Aug., 18. Omitted Factors in Audio Design, John J. Curl, Aug., 20.

Measurements TDS—A Progress

Report,

Carolyn Davis, Jan., 58. Metal Cassette Tests,

Don Howard

and A.

Roberson, Sept., 54. Obituaries Clarence C. Moore, May, 28. Benjamin B. Bauer, July, 51. Howard T. Souther, Dec., 32. Personalities Scott—The Stradivarius of Radio, J.W.F. Puett, Feb., 36. Interview/Jim Metzner/Sound Image, Tom Bingham, Nov., 44. Phono Cartridges Understanding Phono Cartridges, S.K. Pramanik, March, 33. Records & Recording Acoustic Rosetta Stone, Richard C. Heyser, Jan., 66. Aphex Aural Exciter—New Tool of Hit Record Makers, Paul Laurence, and George Pontis, June, 46. Interview/Jim Metzner/Sound Image, Tom Bingham, Nov., 44. Christmas Buying Guide: Audiophile Recordings, Gary Stock, Dec., 52. Digital Recording: State of the Market, Gary Stock, Dec., 70. Tape Phase, Time, Ears & Tape, William A. Manly, April, 52. Tape-to-Deck Matching for Best Dolby Tracking, Howard A. Roberson, Sept., 44. Up in the Air About Metal Tape?, Howard A. Roberson, Sept., 50. Metal Cassette Tests, Howard A. Roberson, Sept., 54. Tuners Rimo FM Tuner Filters, Richard Modaferri, Jan., 32. SCA & Stereo FM, Stephen R. Waldee,

History Scott—The Stradivarius of Radio, J. W. F. Puett, Feb., 36.

Loudspeakers Quick-Build a Speaker Impedance Checker, M.J. Salvati, Aug., 32. Influence of Listening Rooms on Loudspeaker Systems, Roy F. Allison, Aug., 36. The Importance of Speaker Directivity, Dan Queen, Sept., 37.

Jan.,

50.

Turntables Do Turntable Mats Work? You Bet!, Robert Stockton, June, 42. The Fine Art of Tweaking Your Turntable, Bob Gary, June, 52. Workbench Profiles Hewlett-Packard 339A Distortion Analyzer/Oscillator, July, 48. Crown RTA-2 Real-Time Analyzer, Nov., 106.

147

Addenda Crown RTA-2 Real Time Analyzer (Workbench Profile, Nov. 1979, 106), Jan., 30. Ortofon MC-30 Moving Coil Cartridge (Equipment Profile, Nov. 1979, 98), Jan., 30.

Digital Recording Digital Techniques In Sound Reproduction, Daniel Minoli, Part I, April, 54; Part II, May, 34. Dr. Thomas Stockharn — On The Future of Digital Recording, Gary Stock, Feb., 8.

Amplifiers Build a Double-Barreled Amplifier. W. Marshall Leach, Jr., Part I, April, 36; Part II, May, 44.

Directories Car Stereo Directory, July. Directory of Manufacturers, 28; Radios/Tape Players, 29; Speakers, 35; Amps/Equalizers, 44. Annual Equipment Directory, Oct. Directory of Manufacturers, 158; A m plifiers, 20; Preamplifiers, 32; Tuners, 40; Receivers, 44; Turntables, 50; Tonearms, 58; Phono Cartridges, 62; Loudspeakers, 67; Microphones, 103; Cassette Decks, 108; Equalizers, 113; Open-Reel Tape Decks, 116; Headphones, 118. Directory II, Nov. Directory of Blank Tape, 64; Noise Reduction & Filter Systems, 68; Ambience & Time-Delay Units, 70; Compressors/Expanders, 72; Directory of Manufacturers, 74. 1979 Equipment Directory Addenda, Jan., 33. 7979 Car Stereo Directory Addenda, Jan., 41.

Antennas Kill FM Interference with Two Antennas, Richard Modafferi, Jan., 68.

Book Reviews Born To Run: The Bruce Springsteen Story, Nov., 50. The Concerts, Aug., 63. The Preservation & Restoration of Sound Recordings, Aug., 63. The Illustrated History of Rock Album Art, Nov., 50. The Rolling Stone Record Guide, Dec., 20. Bob Dylan, His Unreleased Recordings, Dec., 20.

Car Stereo Car Stereo Manufacturers Directory, July, 28. Car Stereo Directory — Radios/Tape Players, July, 29. Car Stereo Directory — Speakers, July, 35. Car Stereo Directory — Amps/Equaliz-

ers, July, 44. Great Cars! Great Sound!, Gary Stock, July, 52. Keep Your Car Stereo Safe, Bob Curtis, July, 60.

Christmas Christmas Buying Guide, Dec., 28.

Construction Build a Double-Barreled Amplifier, W. Marshall Leach, Jr., Part I, April, 36; Part II, May, 44. Build An Energy Storage Bank, Walter G. Jung, Aug., 38. Build A Headphone Crossfeed Circuit, Charles Repka and Paul Berkowitz, May, 32.

AUDIO • DECEMBER 1980

Distortion Theory Another View of TIM, Robert R. Cordell, Part I, Feb., 38; Parr II, March, 39. Picking Capacitors, Walter G. Jung and Richard Marsh, Part I, Feb., 52; Part II, March, 50.

Cartridge, March, 78. B • I • C T-4M Cassette Deck, Feb., 68. Carver M-400 Power Amplifier, Nov., 30. Connoisseur BD2A Turntable, July, 74. Crown FM-1 Tuner, May, 66. DB Systems DB-6 Basic Amplifier, Jan., 102. Dennesen Geometric Soundtracktor & Vertical Tracking Angle Gauge, March, 75. Denon DL-103D Phono Cartridge, Sept., 70. Denon DA-307 Tonearm, Sept., 70. Denon AU-320 Transformer, Sept., 70. Dual CS 731Q Automatic Turntable, May, 70. Dual C-820 Cassette Deck, Sept., 67. Dynavector DV/Karat Diamond Cartridge, July, 71. Dynavector DV-6A Transformer, July, 71. Fisher CR-4029 Cassette Deck, April, 66. Fisher MT-6250 Turntable, June, 88. Fried Products Model Q Loudspeaker System, June, 93. Fulton Nuance Loudspeaker, Dec., 48. JVC A-X9 Amplifier, July, 68. Lirpa 5 Kg Tonearm & Cartridge, April, 62. Luxman K-12 Cassette Deck, April, 74. Mitsubishi M-A01 (Micro) Amplifier, Jan., 90. Mitsubishi M-P01 (Micro) Preamplifier, Jan., 90. Mitsubishi M-F01 (Micro) Tuner, Jan., 90. Mitsubishi DA-R20 Receiver Aug., 50. NAD 7020 Receiver, June, 76. NAD 6040 Cassette Deck, Dec., 41. Nakamichi 680ZX Cassette Deck, Sept.,

Dynamic Range The Importance of Dynamic Range, Jerome E. Ruzicka, Jan., 52.

Equipment Profiles ADC Sound Shaper Two Mark II Equalizer, Feb., 73. Alpine Car Stereo 3002 Main Amplifier, April, 70. Alpine 7307 Car Stereo, April, 70. Apt/Holman Control Preamplifier, Feb., 76. Astatic MF-100 Phono Cartridge, Dec., 45. Audio-Technica Lifesaver Record Care System, Feb., 64. Bang & Olufsen MMC 20CL Phono

56. Nakamichi High-Com II Noise Reduction System, Sept., 62. Optonica RT-6905 Cassette Deck, June, 83. Phase Linear 8000 Series II Turntable, Nov., 40.

Pioneer PL-630 Turntable, Jan., 98. RG Dynamics RG D-3 Preamplifier, May, 74. Sansui BA-F1 Power Amplifier, March, 72. Sansui CA-F1 Preamplifier, June, 90. Sherwood S-32CP Tuner, Jan., 106. Shure SM-81 Microphone, Aug., 57. Sony PCM-1 Digital Adaptor, March, 64.

107

Soundcraftsmen SP 4001 PreamplifierEqualizer, Nov., 44. Technics ST-C01 Tuner, April, 79. Threshold Stasis 3 Power Amplifier, Dec., 38. Vector Research VCX-600 Cassette Deck, Dec., 58. White 4220 Passive Equalizer, March, 76.

Future Trends Doug Sax On Current Record Technology and Music Systems of the future, Gary Stock, March, 30. Dr. Thomas Stockham — On the Future of Digital Recording, Gary Stock,

Records and Record Care How Records Are Made, Gary Stock, June, 42. In The Groove: Close-Up View of Record Wear, Walter Davies, Sept., 38.

Tape BASF DIN Calibration Cassettes, Howard A. Roberson, Feb., 82. Blank Tape Directory, Nov., 64. 37 Cassette Tapes Tested, Howard A. Roberson, Sept., 44.

Tonearms Tonearm Geometry and Setup Demystified, Martin D. Kessler and B.V. Pisha, Jan., 76; Addenda, April, 26. Understanding Tonearms, S.K. Pramanik, June, 52. Video RCA Shows SelectaVision Video Disc, Gary Stock, March, 44. Workbench Profile BASF DIN Calibration Cassettes, Howard A. Roberson, Feb., 82.

Feb., 8. Trends For The Future, Gary Stock, April, 28.

History Edwin Armstrong: Genius Inventor, Gary Stock, Nov., 52. Mechanical Marvel, C.F. Kerry Gaulder, Nov., 58. Loudspeakers Alternative Speaker Gary Stock, Aug., 32.

Technologies,

Measurements Which Is The Real Tape Playback Curve? — Tape Guide II, Herman Burstein, May, 30. The New Level Meters, Ronald G. Ajemian, Dec., 34. All That Data: FM Tuner Quieting and Distortion, Leonard Feldman. Dec., 68. Obituaries Robert M. Schmetterer, June, 40. John E. Volkmann, Nov., 12.

Personality Profiles Fiedler, Arthur — lust Call Me Maestro, Bert Whyte, Jan., 48. Klipsch, Paul — Arkansas Speaker Maker, Bob Browne and Gary Stock, Aug., 26. Sax, Doug— On Current Record Technology and Music Systems of the Future, Gary Stock, March, 30. Stockham, Dr. Thomas — On the Future of Digital Recording, Gary Stock, Feb., 8.

108

AUDIO • DECEMBER 1980

Addenda Cassette Retest: Tape 5 Wide Latitude Tape, Howard A. Roberson (37 Cassette Japes Tested, Sept. 1980, 44), Jan., 68. Construct an Indoor/Outdoor FM Antenna, Dr. Frank P. Maloney (Jan. 1981, 38). March, 18. The New Level Meters, Ronald G. Ajemian (Dec. 1980, 34), May, 16. Build a Pre-Preamp, W. Marshall Leach Jr. (Feb. 1978, 36), Oct., 22. Pioneer F-9 Tuner (Equipment Profite, Aug. 1981, 36), Oct., 22. Build a High-Pgrformance THD Analyzer, Part III, Robert R. Cordell (Sept. 1981, 52), Nov., 14. Measuring Speaker Motion with a Laser, Part II, G.J. Adams (Sept. 1981, 40), Nov., 14. Build a Double-Barreled Amplifier, W. Marshall Leach Jr. (April 1980, 36; May 1980, 44), Dec., 20.

Amplifiers Crown's Self-Analyzing Power fiers. Gerald Stanley, Feb., 29.

Ampli-

Audio Hall of Fame Len Feldman & Edgar Villchur Honored, Jan., 12.

Book Reviews IEEE Standard Dictionary of Electrical & Electronic Terms, 2nd Edition, June, 28. No One Here Gets Out Alive, June, 28.

Cassettes Cassette Retest: Tape 5 Wide Latitude Tape, Howard A. Roberson, Jan., 68. The Mechanism of Magnetic Tape Erasure, Peter Vogelgesang, April, 24. Focus on Head Demagnetization, Herman Burstein, April, 25. The Audio Interview: Willi Studer, Gary Stock, April, 34. The New Cassettes: Performance Update, Howard Roberson, Sept., 18. Focus on Shell Mechanics, Howard Roberson, Sept., 31. Directory of Blank Tape, Nov., 22.

98

Construction Projects Construct an Indoor/Outdoor FM Antenna, Dr. Frank P. Maloney, Jan., 38; Addenda. March, 18. Buiid a Square and Triangle Wave Generator, M.J. Salvati, Jan., 44. Build a High-Performance THD Analyzer, Robert R. Cordell, Part I, July, 34; Part II, Aug., 14; Part III, Sept., 52; Addenda, Nov., 14.

Digital Recording Telefunken Digital Mini Disc, Gary Stock, June, 45. The Audio interview: Todd Rundgren, Jon & Sally Tiven, Nov., 28. The Audio Interview: Morton Gould, Gary Stock, Dec., 32.

Directories Car Stereo Directory, July. Index of Manufacturers, 16; Radios/ Tape Players, 17; Speakers, 21; Amps/Equalizers, 26. Annual Equipment Directory, Oct. Directory of Manufacturers, 6; Introduction, 44; Preamplifiers, 46; Amplifiers, 52; Tuners, 58; Receivers, 62; Turntables, 66; Tonearms, 74; Phono Cartridges, 76; Cassette Decks, 83; Open-Reel Tape Decks, 96; Loudspeakers, 98; Microphones, 126; Headphones, 132; Equalizers, 135. Directory of Blank Tape, Nov., 22. 1980 Equipment Directory Addenda, Jan., 26. 1980 Car Stereo Directory Addenda, Jan., 36.

Equipment Profiles Akai GX-F90 Cassette Deck, Aug., 46. Apt Corp. Apt 1 Amplifier, March, 44. Audio Control C-101 RTA/Equalizer, April, 50. Audio-Technica AT-32 Phono Cartridge and AT-650 Matching Transformer, Dec., 44. Bryston 1-B Preamplifier, Nov., 42. E-V CO15P/CS15P Electret Condenser Microphones, March, 50. Jensen T-415 Car Stereo Cassette Deck and A-60 Power Amp, July, 58.

JVC R-S77 Receiver, Jan., 56. JVC HR-6700U Videocassette Recorder, April, 56. JVC KD-A7 Cassette Deck, May, 36. Koss K/4DS Digital Delay System, Dec., 60. Marovskis MIT-1 Phono Cartridge. Nov., 62. McIntosh MR-80 Tuner, March, 34. Mitsubishi LT-30 Turntable, June, 68. Mordaunt-Short Signiter Loudspeaker, Feb., 56. MTI 500 Preamplifier, May, 40. MXR 139 Linear Preamplifier, Nov., 58. Nakamichi 1000 ZXL Cassette Deck, June, 54. Onkyo CP-1150F Turntable. Aug., 42. Phase Linear 1100 Series Two Parametric EQ, Dec., 52. Phase Linear 1200 Series Two RTA Dec , 56. Pioneer F-9 Tuner, Aug., 36; Addenda, Oct., 22. Pioneer A-9 Amplifier, Dec., 38. Realistic STA-2200 Receiver, Feb., 44. SAE Two C4 Cassette Deck, Feb., 50. SAE A-501 Amplifier, Nov., 46. Shure V15 Type IV Phono Cartridge and SME 3009 III Tonearm May, 44. Shure MV30HE Phono Cartridge and Tonearm Combination, June, 62. SME 3009 III Tonearm and Shure V15 Type IV Phono Cartridge, May, 44. Sony ST-J75 Tuner, April, 44. Sony TC-K81 Cassette Deck, Nov., 50. Sony PS-X800 Turntable, Dec., 48. Soundcraftsmen R A 7 5 0 2 Power Amplifier, July, 54. Symmetry ACS-1 Stereo Crossover Jan., 65. Technics SA-424 Receiver, Aug., 50. Technics SH-F101 FM Antenna, Aug., 55. Technics RS-M95 Cassette Deck, Sept., 62. Technics SL-QL1 Turntable and P22S

Phono Cartridge, Nov., 55. Wharfedale E-90 Loudspeaker System, Sept., 68. Yamaha R-2000 Receiver July, 44. Headphones The New Featherweight Headphones, Gary Stock, May, 30.

AUDIO/DECEMBER 1981

History Acoustics Circa 1657 — Explorations into Our Acoustic Heritage, Don & Carolyn Davis, Feb., 40. Lirpa StereoMusikon Discovered!, Jim Wilson, April, 40. The Roots of High Fidelity Sound, Bert Whyte, June, 34. Fifty Years of TV, Eugene Pitts III and Walter I. Seigal, July, 28. A Christmas Gift of Music, Long Ago, Hans Fantel, Dec., 28. Interviews KLH's Daniel von Recklinghausen, Gary Stock, Feb., 20. Willi Studer, Gary Stock, April, 34. Todd Rundgren, Jon & Sally Tiven, Nov., 28. Morton Gould, Gary Stock, Dec., 32.

Psychoacoustics Audio — Pain or Pleasure?, Martin Polon, Jan., 48.

Turntables Linear Tracking Turntables, Gary Stock.

Tape Recording & Recorders The Mechanism of Magnetic Tape Erasure, Peter Vogelgesang, April, 24. Focus on Head Demagnetization, Herman Burstein, April, 25. The Audio Interview: Willi Studer, Gary Stock, April, 34. The New Cassettes: Performance Update, Howard Roberson, Sept., 18. Focus on Shell Mechanics, Howard Roberson, Sept., 31.

Video JVC HR-6700U Videocassette Recorder (Equipment Profile), April, 56. Sony Profeel: "The Video Screen in Your Future," Leonard Feldman, May, 34. The Audio Interview: Todd Rundgren, Jon & Sally Tiven, Nov., 28.

June, 48.

Loudspeakers The Audio Interview: KLH's Daniel von Recklinghausen, Gary Stock, Feb., 20. Measuring Speaker Motion with a Laser, G.J. Adams, Part I, Aug., 26; Part II, Sept., 40; Addenda, Nov., 14. Measurement All That Data: Tape Deck Frequency Response and Headroom, Howard A. Roberson, Jan., 24. Measuring Speaker Motion with a Laser, G. J. Adams, Part I. Aug., 26; Part II, Sept., 40; Addenda, Nov., 14. Noise Reduction Dolby C-Type Noise Reduction, Joseph Hull, May, 20. National's New Noise-Reduction Chip, Ralph Hodges, Nov., 34. Obituaries Alexander M. Poniatoff, Feb., 96. Paul G. A. H. Voigt, by Donald Aldous, June, 12.

Phono Cartridges More Than One Vertical Tracking Angle, Jon M. Risch and Bruce R. Maier, March, 21. The Phono Cartridge Electrical Output Network, Arnold Schwartz, March, 26.

AUDIO/DECEMBER 1981

99

Addendum John Marovskis Audio MIT-1 Phono Cartridge (Equipment Profile, Nov. 1981, 62), July, 49. AM Stereo: An FCC Fiasco!!, Leonard Feldman, July, 34. Antennas Try a Rhombic FM Antenna, Richard J. Kaufman. Jan., 24. Build the AM Superloop Antenna, Richard Modafferi, Jan., 30. Book Reviews The Complete Guide to Car Audio, July, 92. The Compleat Beatles, July, 92. The Rolling Stone Illustrated History of Rock & Roll, Aug., 46. Rock Record, Aug., 46. Radio Enters the Home, Aug., 46. Microphones—An Anthology of Articles from the Pages of the Journal of the Audio Engineering Society, Vol. 1-27, Sept., 88. The Complete Handbook of Videocassette Recorders, Nov., 89. How to Get the Most Out of Your Recording and Playback System, Nov., 89. Car Stereo Car Stereo Directory, July, 17. AM Stereo: An FCC Fiasco!!, Leonard Feldman, July, 34. Delco-GM/Bose: Wizardry on Wheels, Ivan Berger, Dec., 36. Cassettes & Cassette Decks New Cassettes Tested—Update, Howard A. Roberson, March, 37. Tape Recorder Maintenance, Howard A. Roberson, April, 32. Basics of Magnetic Tape Performance, Howard A. Roberson, Sept., 28. Refocus on Demagnetization, Herman Burstein, Sept., 36. World's Most Expensive Cassette Deck: Nakamichi 1000ZXL Limited, Ivan Berger, Sept., 42. Christmas Buying Guide, Dec , 45.

AUDIO/DECEMBER 1982

Construction Projects Try a Rhombic FM Antenna, Richard J. Kaufman, Jan., 24. Build the AM Superloop Antenna, Richard Modafferi, Jan., 30. Crossovers for Subwoofer Biamping, Richard J. Kaufman, Aug., 28. Sub-Bass on a Budget, A. L. Newcomb, Aug., 36. Digital Equipment Hitachi PCM-V300 Digital Audio Recorder, June, 42. Sony PCM-F1 Digital Audio Processor, March, 48. Sony CDP-101 Digital Compact Disc Player, Nov., 36. Technics SV-P100 Digital Audio Cassette Recorder, April, 46. Directories Car Stereo Directory, July. Amps/Equalizers, 17; Radios/Tape Players, 20; Speakers, 25; Index of Manufacturers, 33. Annual Equipment Directory, Oct. Introduction, 31; Amplifiers, 33; Preamplifiers, 39; Tuners, 45; Receivers, 47; Turntables, 50; Loudspeakers, 56; Tonearms, 81; Phono Cartridges, 83; Open-Reel Tape Decks, 89; Cassette Decks, 91; Digital Recorders/Processors, 95; Microphones, 96; Headphones, 102; Equalizers, 106; Index of Manufacturers, 130. Son of Directory, Nov. Blank Tape, 30; Noise-Reduction Units, 32; Index of Manufacturers, 34. 1981 Annual Equipment Directory Addenda, Jan., 69. 1981 Car Stereo Directory Addenda, Jan., 72. Equipment Care Tape Recorder Maintenance, Howard A. Roberson, April, 32. Refocus on Demagnetization, Herman Burstein, Sept., 36. Equipment Profiles Ace Audio 3900 Ground Eliminator, Jan., 66. Ace Audio 4100 Filters, March, 63. ADC Sound Shaper SA-1 Real Time Analyzer, Sept., 50. Adcom Crosscoil XC/van den Hul MC Phono Cartridge, Jan., 63.

Akai GX-F66RC Cassette Deck, Nov., 52. AKG P25MD/24 Cartridge, Aug., 66. Amber Electronics Series 70 Amplifier, Feb., 52. Audio Design Model One Preamp, Dec., 55. Audio Interface CST-80 Step-Up Transformers, Dec., 65. Audio-Technica AT 6006a Safety Raiser, Aug., 61. Audio-Technica AT813 Microphone, Sept., 60. Bang & Qlufsen Beocord 9000 Cassette Deck, July, 48. Black Acoustics Night Loudspeaker, Aug., 52. Cambridge Physics 310 Loudspeaker, Nov., 68. Carver TX-11 Tuner, Dec., 48. Crown FM Two Tuner, April, 51. dbx 20/20 Computerized EQ/Analyzer, Jan., 52. Dennesen ABLT-1 Tonearm, July, 58. Denon DR-330 Cassette Deck, March, 64. Dual C844 Cassette Deck, July, 54. Empire 600LAC Phono Cartridge, June, 56. Fostex 250 Mixer/Recorder, Aug., 48. Fulton RS-1 Moving Coil Phono Cartridge and MC-1 Moving Coil Transformer, Sept., 58. GAM Electronics Stereo One FM Antenna, June, 64. Goldring G-920 IGC Cartridge. Feb., 50. Heathkit AA-1800 Stereo Power Amp, Sept., 53. Hitachi FT-5500 Tuner, May, 58. Hitachi PCM-V300 Digital Audio Recorder, June, 42. KEF 105 Series II Loudspeaker, Feb., 56. Kenwood KX-900 Cassette Deck, June, 58. KM Labs SP-100 Preamp, May, 66. Luxman PD-375 Turntable, July, 61. Magnum 95FM Sleuth FM Antenna Amplifier, Aug., 60. McIntosh MX-117 Tuner-Preamp, June, 50. Mission 776 Preamp, June, 62. Mission Electronics 777 Power Amplifier, Nov., 58. Mitsubishi DA-R35 Receiver, April, 54. M & K Satellite-1A and Volkswoofer-A Loudspeakers, April, 63.

87

NAD 6050C Cassette Deck, Jan., 58. Nakamichi 700 ZXL Cassette Deck, Jan., 44. Nakamichi ZX-7 Cassette Deck, May, 54. Nakamichi NR-100 Dolby C Noise-Reduction Processor, Aug., 62.

Oracle Turntable, March, 54. Ortofon TPO-70 Cartridge Wand and Thorens TD115 Turntable, Dec., 60. Pioneer PL-7 Turntable, Aug., 58. Sansui AU-D11 Amplifier, Feb., 46. Shure SM85 Microphone, May, 62. Shure V15 Type V Phono Cartridge, Nov., 63. Signet SK305 Electronic Stylus Cleaner, May, 61. Sonus Dimension 5 Cartridge, March, 61. Sony PCM-F1 Digital Audio Processor, March, 48. Sony CDP-101 Digital Compact Disc Player, Nov., 36. Stanion 980LZS Cartridge, Feb., 54. Tandberg TCA 3002 Preamp, April, 60. TEAC X-20R Open-Reel Recorder, March, 68. Technics SH-50P1 Stylus Pressure Gauge, Jan., 66. Technics SV-P100 Digital Audio Cassette Recorder, April, 46. Technics SU-A8 Preamp and SE-A7 Power Amp, May, 50. Thorens TD115 Turntable and Ortofon

TPO-70 Cartridge Wand, Dec., 60. Yamaha P-850 Turntable, Sept., 56. The Forum: One-Brand Systems, Joel Schwartz. March, 36. Headphones Headphone Hints, A n d r e a Lynne Hecker, May, 40. Headphones: How They Work, Peter Milton, May, 44. History Audio in England, George W. Tillett, Jan., 37. The Audio Interview: Jimmy Miller, Paul Laurence, April, 38. The Audio Interview: Rudy Bozak, David Lander, May, 28. Audio's 35th Birthday, John P. Wolkonowicz, May, 33. Get the Most Sound from 78's, Peter Milton, June, 30. The Audio Interview: Ray Dolby, David Lander, July, 14. The Audio Interview: Godehard Guenther, Nov., 46. Interviews Jimmy Miller, Paul Laurence, April, 38. Rudy Bozak, David Lander, May, 28. Ray Dolby, David Lander, July, 14. Godehard Guenther, David Lander, Nov., 46.

88

Loudspeakers Audio in England George W. Tillett, Jan., 37. The Audio Interview: Rudy Bozak, David Lander, May, 28. Crossovers for Subwoofer Biamping, Richard J. Kaufman. Aug., 28. Sub-Bass on a Budget, A. L. Newcomb, Aug., 36. Seeing Sound with a Laser, Graham Bank, Sept., 44. The Audio Interview: Godehard Guenther, David Lander, Nov., 46. Music and Recording Understanding Equalization and Time Constants, Herman Burstein, Feb., 26. The CX Noise Reduction System for Records, Louis A. Abbagnaro, Feb., 32. The Audio Interview: Jimmy Miller, Paul Laurence, April, 38. MTV: Music Comes to Cable, Jon & Sally Tiven, May, 36. Get the Most Sound from 78's, Peter Milton, June, 30. "You're Hearing America," Tom Bingham, July, 42. Refocus on Demagnetization. Herman Burstein, Sept., 36.

Noise Reduction The CX Noise Reduction System for Records, Louis A. Abbagnaro, Feb., 32. The Audio Interview Ray Dolby, David Lander, July, 14. Obituaries Rudy Bozak. May, 28. Harry F. Olson, July, 85. Harold W. Lindsay, July, 85. One-Brand Systems Reviews Fisher System R-70, Nov., 44. JVC S-40 System, Sept., 40. Kenwood Spectrum 70, July, 40. Sansui 6600 Super Compo, June, 38. Yamaha Concert System 70, Aug., 40. Phono Cartridges: How They Peter Milton, March, 42.

Work,

Psychoacoustics Sonic Holography, Robert W. Carver, March, 26. (Included test Soundsheet.) The Only Component You Can't Replace: Ears, Simeon Costa, Dec., 40. Sonic Holography, Robert W. Carver, March, 26. (Included test Soundsheet.) Tonearms: Which Tracks Best, Pivoted or Radial?, Pete; W. Mitchell, June 24.

AUDIO/DECEMBER 1982

Sony CDP-701ES Compact Disc Player, Sept., 50. Technics SL-P10 Digital Audio Disc Player, Feb., 48. Toshiba XR-Z90 Compact Disc Player, Dec., 66.

Addenda First Look: Sony's Digital Compact Disc Player, Leonard Feldman (Nov. 1982, 36), Jan., 64. Build a High-Performance THD Analyzer, Robert R. Cordell (Part I, July 1981, 34; Part II, Aug. 1981, 14; Part III, Sept. 1981, 52; Addenda, Nov. 1981, 14), Feb., 16. Tonearm Geometry and Setup Demystified, Martin D. Kessler and B. V. Pisha (Jan. 1980, 76; Addenda, April 1980, 26), May, 48. Amplifiers & Preamplifiers Build a Stereo Headphone Amplifier, Paul D. Chapman, May, 62. Battle of the Amps (Denon PRA-6000 Preamplifier and POA-8000 Amplifier, Sony Esprit TA-E900 Preamplifier and TA-N900 Amplifier), Leonard Feldman June, 56. Antennas & FM 11 Outdoor FM Antennas Measured, Leonard Feldman, Jan., 40. WFMT: Satellite Superstation, Rich Warren and Daniel Queen, Feb., 42. Book Reviews 21 Custom Speaker Enclosure Projects You Can Build, May, 89. The Complete Handbook of Magnetic Recording, May, 89. How to Install Your Own Stereo System, Second Edition, May, 90. Radio Shack Catalog, Dec., 30. Saga of the Vacuum Tube, Dec., 106. How to Make & Sell Your Own Record, Dec., 106. The Musician's Guide to Independent Record Production, Dec., 106. Car Stereo Car Stereo Directory, July, 10. Drive Your Walkman 'Round the Block, Richard Boryczewski, July, 70. Cassettes & Cassette Decks Noise reduction: Side Benefits & Side Effects, Howard A. Roberson, April, 55.

126

Mass Tape Test: 77 Cassettes Rated, Howard A. Roberson, Sept., 34. Computers & Audio Computer-Aided Filter Design, Richard Kaufman. Nov., 28. Computer-Aided Audio Calculations, Leonard Feldman, Nov., 32. TDS Computing, Gerald R. Stanley, Nov., 38. Construction Projects How to Build a Low-Cost Stereo Enhancer, Richard J. Kaufman, May, 58. Build a Stereo Headphone Amplifier, Paul D. Chapman. May, 62. Build a Poor-Man's Wow & Flutter Meier, M. J. Salvati, June, 64. Drive Your Walkman 'Round the Block, Richard Boryczewski, July, 70. New Lows in Home-Built Subwoofers, Lorr Kramer and Greg Timbers, Aug., 58. Build a Center-Woofer Crossover, M. J. Salvati, Aug., 65. Computer-Aided Filter Design, Richard Kaufman, Nov., 28. Digital Sound & Equipment Japan Fair: The Art Advances, Gene Pitts, March, 32. Confessions of a Digital Recordist, Richard S. Burwen, Dec., 46. Hitachi DA-1000 Digital Audio Disc Player, Jan., 50; Postscript, May, 88. Kyocera DA-01 Compact Disc Player, Aug., 70. Magnavox FD1000SL Compact Disc Player, June, 86. Mitsubishi DP-101 Compact Disc Player, Aug., 82. NEC CD-803E Compact Disc Player, Nov., 50. Phase Linear 9500 Compact Disc Player, June, 76. Sharp DX-3 Compact Digital Audio Disc Player, March, 44. Sony CDP-101 Digital Audio Disc Player: Postscript, Jan., 64. Sony PCM-701 Digital Audio Processor, April, 60.

Directories Car Stereo Directory, July. Amps/Equalizers, 10; Radios/Tape Players, 15; Speakers, 21; Index of Manufacturers, 31. Annual Equipment Directory, Oct. Introduction, 51; Digital Recorders/ Processors, 53; Compact Disc Players. 54; Amplifiers, 56; Preamplifiers, 62; Tuners, 70; Receivers, 72; Turntables, 81, Tonearms, 86; Phono Cartridges, 88; Open-Reel T a p e Decks, 96; Cassette Decks, 98; Headphones, 103; Microphones, 121; Equalizers, 126; Loudspeakers, 129; Index of Manufacturers, 218. Son of Directory, Nov. Blank Tape, 44; Noise-Reduction Units, 46; Index of Manufacturers, 48. 1982 Annual Equipment Directory Addenda, Jan., 31. 1982 Car Stereo Directory Addenda, Jan.,

36.

Equipment Profiles Acoustat Trans-Nova Twin-200 Amplifier, March, 64. ADS C2 Cassette Deck, July, 84. Audio Control Richter Scale Bass EQ and Crossover, Aug., 86. AudioSource EQ-One Equalizer and Spectrum Analyzer, Nov., 64. Audio-Technica AT666EX Disc Stabilizer, Jan., 54. B & O MMC1 Phono Cartridge, Aug., 74. Boston Acoustics A40 Speaker, July, 78. Crown PZM-30GP Pressure Zone Microphone, March, 48. Crown Power Line Four Amplifier, April, 64. Denon DRA-400 Receiver, Feb., 62. Denon PRA-6000 Preamplifier, June, 56. Denon POA-8000 Amplifier, June, 56. ESB 7/06 Speaker, Nov., 72. Genesis 210 Speaker, Sept., 67. Grace F-9E Ruby Phono Cartridge, July, 90.

AUDIO/DECEMBER 1983

Hafler DH-160 Equalizer, April, 70. Harman/Kardon T60 Turntable, Jan., 58. Hitachi DA-1000 Digital Audio Disc Player, Jan., 50; Postscript, May, 88. JVC R-X80 Receiver, Nov., 68. Koss CM/1030 Loudspeaker, May, 74. Kyocera R-851 Tuner-Amp, May, 82. Kyocera DA-01 Compact Disc Player,

Aug., 70. Linn-Sondek LP12 Turntable, Nov., 56. Luxman RX-103 Receiver, Sept., 80. Magnavox FD1000SL Compact Disc Player, June, 86. MAS (Music and Sound) Mk. I Turntable MAS-282 Tonearm, Dec., 61. Mitsubishi DP-101 Compact Disc Player Aug., 82. NAD 9150 Tuner, March, 56. Nakamichi Dragon Cassette Deck, May, 66. NEC CD-803E Compact Disc Player, Nov., 50. Onkyo TX-61 Tuner-Amplifier, Feb., 54.

Parasound EQf210 Equalizer, Jan., 68. Phase Linear 9500 Compact Disc Player, June, 76. Phase Linear DRS 900 Amplifier, Sept., 61. Realistic Systems P-10-MM Preamp, May, 51. Realistic 33-1080 Microphone, July, 94. Rovox B710 MKII Cassette Deck, March, 60. Revox B261 Tuner, Dec., 56. SAE E101 Equalizer, Dec., 76. Scott 438A Amplifier, Aug., 80. Sharp DX-3 Compact Digital Audio Disc Player, March, 44. Sherwood S-6010CP Tuner, April, 67. SIE Publishing "Critical Listening: An Audio Training Course." July, 88. Sony CDP-101 Compact Disc Player: Postscript, Jan., 64. Sony PCM-701 Digital Audio Processor, April, 60. Sony Esprit TA-E900 Preamplifier, June, 56. Sony Esprit TA-N900 Amplifier, June, 56. Sony CDP-701ES Compact Disc Player Sept., 50.

SOTA Sapphire Turntable, June, 80. Soundcraftsmen DC2214 Equalizer, Dec., 66. Soundcraftsmen AE2000 AnalyzerSpectrumanalyzer, June, 90. Spectal DMC-10 Preamplifier, Sept., 56.

AUDIO/DECEMBER 1983

Sumiko MDC-800 Tonearm/Talisman S Cartridge, Sept., 72. Sumo Nine Amplifier, Dec., 70. Talisman S Cartridge/Sumiko MDC800 Tonearm, Sept., 72. Tandberg TPT 3001A Tuner and TIA 3012 Amp, Nov., 80. Technics SL-P10 Digital Audio Disc Player, Feb., 48. Technics RS-M275X Cassette Deck, March, 68. Telarc Omnidisc Test Record, Feb., 60. Toshiba XR-Z90 Compact Disc Player, Dec., 66. Vector Research VCX-800 Cassette Deck, Jan., 60.

Furniture Hi-Fi Furniture: A Cabinetmaker's Comparison, John Basinski, April, 44.

Interviews Jim Kogen, David Lander, Feb., 36. Amar Bose, David Lander, July, 74. Ray Manzarek, Paul Laurence. Dec., 40.

Loudspeakers The Audio Interview: Amar Bose, David Lander, July, 74. New Lows in Home-Built Subwoofers, Lorr Kramer and Greg Timbers, Aug., 58. Build a Center-Woofer Crossover, M. J. Salvati, Aug., 65. TDS Computing, Nov., 38.

Gerald

R.

Music & Recording WFMT: Satellite Superstation, Rich Warren and Daniel Queen, Feb., 42. Home Studio: Do It the Pro Way, Jon Tiven, Sept., 45. The Audio Interview: Ray Manzarek, Paul Laurence, Dec., 40. Confessions of a Digital Recordist, Richard S. Burwen Dec., 46. Noise Reduction Noise Reduction: Side Benefits and Side Effects, Howard A. Roberson, April, 55. Obituaries George W. Tillett, Feb., 14. C. Robert Fine, March. 72. Etsuro Nakamichi, May, 36. One-Brand System Reviews Aiwa S.P.A.N. V-1000G, March, 42. Lirpa A11-1N-1SKY, April, 40. Quad Component System, Dec., 32. Sanyo Pro-Ponent Audio-Video System, June, 72. Scott Slimcom 650SL, Jan , 48. Phono Cartridges The Audio Interview: Jim Kogen, David Lander, Feb., 36. Phase Testing in Phono Cartridges, Kevin Byrne, March, 38. Psychoacoustics A Sense of Loss, Joseph Giovanelli, July, 72. How We Hear Direction, Denis Vaughan, Dec., 50.

Stanley,

Measurements 11 Outdoor FM Antennas Analyzed, Leonard Feldman, Jan., 40. Phase Testing in Phono Cartridges, Kevin Byrne, March, 38. Battle of the Amps, Leonard Feldman, June, 56. Build a Poor Man's Wow & Flutter Meter, M. J. Salvati, June, 64.

Video Sound The RCA Videodisc Gets Stereo, Charles Repka, Ed Freeman and Gopi Viehrotra, Feb., 30. Beta Hi-Fi: Better Audio for Video, Leonard Feldman, May, 53.

Mass Tape Test: 77 Cassettes Rated, Howard A. Roberson, Sept., 34. Computer-Aided Audio Calculations, Leonard Feldman, Nov., 32. TDS Computing, Gerald R. Stanley, Nov., 38. How We Hear Direction, Denis Vaughan, Dec., 50.

127

Addenda Drive Your Walkman 'Round the Block, Richard Boryczewski (July 1983, 70), Jan., 9. Build a Center-Woofer Crossover, M. J. Salvati (Aug. 1983, 65). Jan., 9. Boston Acoustics MC-1vdH Phono Cartridge (Equipment Profile, Feb. 1984, 61), March, 6. Error Correction in the Compact Disc System, Dr. Toshi T. Doi (April 1984, 24), July, 8. Akai CD-D1 CD Player (Equipment Profile, June 1984, 76), July, 8. Cassette Test Update: 12 Formulations, Howard A. Roberson (Sept. 1984, 47), Nov., 15; Dec., 5. Book Reviews 'Scuse Me While I Kiss the Sky, Oct., 41. Handbook of Noise Control, Second Edition, Oct., 41. The Yardbirds, Oct., 41. Car Stereo 10th Annual Car Stereo Directory, May, 39. Sony Car CD Player: On the Road Ahead, Leonard Feldman, July, 26. Construction Performance-Check Your Amp and Preamp. M. J. Salvati, Part I, Feb., 42; Part II, March, 42. Digital Sound & Equipment The Audio Interview: Sheffield's Doug Sax and Lincoln Mayorga, David Lander, Jan., 62. Error Correction in the Compact Disc System, Dr. Toshi T. Doi, April, 24; Addenda, July, 8. Philips Oversampling System for Compact Disc Decoding, Wayne Schott, April, 32. What Makes a CD Player Professional?, Leonard Feldman, April, 36. Sony Car CD Player: On the Road Ahead. Leonard Feldman, July, 26. The Audio Interview: Jack Renner, David Lander, July, 30. Phase Filter for Digital, Richard J. Kaufman. July, 34; On the Testbench, Richard C. Heyser, July, 37. Directories Car Stereo Directory, May. Radios/Tape Players, 39; Amps/Equalizers/Crossovers, 45; Speakers, 53; Company Addresses, 64. Annual Equipment Directory, Oct. Introduction, 181; Digital Recorders Processors, 182; Compact Disc Players,

AUDIO/DECEMBER 1984

Marantz CD-73 Compact Disc Player, Feb., 66. Micro-Acoustics 630 Phono Cartridge, March, 67. Micro Seiki CD-M1 Compact Disc Player, 184; Preamplifiers, 190; Amplifiers, 202; June, 70. Tuners, 212; Receivers, 215; Turntables, Monster Cable Alpha-1 Phono Cartridge, Jan., 94. 222; Tonearms, 228; Phono Cartridges, 230; Open-Reel Tape Decks, 236; Blank NAD 5120 Turntable, Feb., 58. Tape, 238; Noise-Reduction Units, 240; NAD 4155 Tuner, Dec., 75. Cassette Decks, 242; Microphones, 248; Nakamichi RX-505 Cassette Deck, July, 50. Headphones, 256; Equalizers, 261; Loud- Nakamichi TD-800 Car Stereo, Sept., 64. speakers, 264; Company Addresses, Nakamichi BX-300 Cassette Deck, Nov., 56. 352. Nitty Gritty 1.0 and VPI HW-16 Record Cleaners, Nov., 100. Equipment Profiles Ortofon MC 2000 Phono Cartridge and T Accuphase C-280 Preamp and P-600 Amp, 2000 Transformer, Dec., 83. Aug., 42. Perreaux SM2 Preamp, July, 60. Acoustical Physics Labs Acoustic Image II Pioneer F-90 Tuner, Jan., 98. Loudspeaker, Dec., 65. Proton 300 Table Radio and Model 301 Acoustic Research Turntable, July, 38. Speaker System, Dec., 94. Akai CD-D1 Compact Disc Player, June, 76; Revox B225 Compact Disc Player, Sept., Addenda, July, 8. 50. Allsop 3 Cassette Deck Cleaning System, SAE R102 Receiver, Dec., 58. May, 80. Sansui PC-X1 PCM Digital Processor, Jan., Alphasonik A-265 Car Stereo Amplifier, 76. July, 57. Sanyo DAD 8 Compact Disc Player, April, Alpine 7347 Car Stereo, March, 60. 64. ASC AS-6004/S Open-Reel Recorder, Jan., Sears 564.97500350 Compact Disc Player, April, 56. 82. Audible Illusions Modulus Preamplifier, Sherwood S-2680CP Receiver, June, 62. Nov., 62. Shure V15 Type V Cartridge with Souther Audio Research SP-10 Preamplifier and DSLA-3 Tonearm, May, 70. 70 Amplifier, June, 84. Sony CDP-610ES Compact Disc Player, Audio-Technica AT160ML Cartridge, Sept., Nov., 88. 72. Soundcraftsmen PCR800 Amplifier, Aug., Boston Acoustics MC-1vdH Phono Car55. tridge, Feb., 61; Addenda, March, 6. Souther SLA-3 Tonearm with Shure VI5 Bruel & Kjaer Type 4003 and Type 4007 Type V Cartridge, May, 70. Microphones, Nov., 78. Spectrascan BPA-100B Amplifier, July, 66. The Carver Receiver, June, 52. Tandberg TCD 3014 Cassette Deck, Sept., conrad-johnson PV-5 Preamp, Aug., 68. 58. dbx 4BX Dynamic-Range Expander, Feb., Teac Z-7000 Cassette Deck, May, 84. 50. Technics SH-8055 Graphic EQ/RTA, March, Dennesen Polaris Indoor FM Antenna, Dec., 54. 91. Technics SL-P8 and SL-P7 Compact Disc Denon DN-3000F Compact Disc Player, Players, April, 48. April, 36. van den Hul Type I Phono Cartridge, July, Discwasher D'Mag Cassette Deck Demag43. netizer, May, 82. van den Hul Type III Phono Cartridge, July, Hafler DH-220 Power Amplifier, Feb., 54. 71. Harman/Kardon CD491 Cassette Deck, VPI HW-16 and Nitty Gritty 1.0 Record March, 50. Cleaners, Nov., 100. Heybrook TT2 Turntable and Tonearm, Yamaha M-70 Power Amplifier, Jan., 90. Nov., 95. Yamaha CD-X1 Compact Disc Player, Aug., Hitachi DA-800 Compact Disc Player, May, 60. 76. Yamaha NS-2000 Loudspeaker, Sept., 78. Innovative Techniques ITC-1 Speaker, June, 97. History of Hi-Fi JVC R-X500B Receiver, Dec., 50. Olde-Tyme High-Tech Electronic Cylinder Linn Asack Cartridge and Ittok LVII Tonearm System, Fred Petras, May, 66. March, 70. History of Magnetic Recording Robert AnLirpa Si-O Compact Disc Player, April, 40. gus, Part I, Aug., 27 (inciudes SoungLuxman K X - 1 0 2 Cassette Deck, March, 76. sheet); Part II, Sept., 33. Luxman DX-103 Compact Disc Player, The Untold Story Behind the Bose-CU Nov., 69. Case, David Lander, Dec., 42.

143

Interviews Sheffield's Doug Sax and Lincoln Mayorga, David Lander, Jan., 62. Jack Renner, David Lander, July, 30. Loudspeakers Polk's SDA Speakers: Designed-In Stereo, Matthew Polk, June, 32. Speaker Impedance: More Complex Than One Number, Richard C. Heyser, June, 42. Music Performance & Recording The Audio Interview: Sheffield's Doug Sax and Lincoln Mayorga, David Lander, Jan., 62. Sound Reinforcement for the Amateur, Glen Ballou, March, 36. The Audio Interview: Jack Renner, David Lander, July, 30. History of Magnetic Recording, Robert Angus, Part I, Aug., 27 (includes Soundsheet); Part II, Sept., 33. Dynamic Bias Control with HX Professional. J. Selmer Jensen and S. K. Pramanik, Aug., 34. Rock 'n' Roadies: Traveling with Journey, Pam Alloway, Dec., 32. Home Studio: Do It the Pro Way, Part II, Jon & Sally Tiven, Dec., 46. Olde-Tyme High-Tech Electronic Cylinder System, Fred Petras, May, 66. Phono Cartridges Bringing Trackability Home, Robert Kita, Jan., 68. Psychoacoustics Polk's SDA Speakers: Designed-In Stereo, Matthew Polk, June, 32. Speaker Impedance: More Complex Than One Number, Richard C. Heyser, June, 42. Tape & Tape Recorders History of Magnetic Recording, Robert Angus, Part I, Aug., 27 (includes Soundsheet); Part II, Sept., 33. Dynamic Bias Control with HX Professional, J. Selmer Jensen and S. K. Pramanik, Aug., 34. How Important Is Tape Azimuth?, Herman Burstein, Sept., 40. Cassette Test Update: 12 Formulations, Howard A. Roberson, Sept., 47; Addenda. Nov., 15; Dec., 5. Tonearms & Turntables NAD's Floppy Tonearm, B. E. Edvardsen, P. W. Mitchell, and J. Janda, Feb., 34. Video Sound At Last—Stereo TV, Leonard Feldman, June, 47. VHS Hi-Fi: Five Units Tested, Leonard Feldman, Nov., 42.

144

AUDIO/DECEMBER 1984

Addendum Frequency Contouring for Image Enhancement, Richard J. Kaufman (Feb. 1985, 34), April, 37. Amplifiers The Perfect Amp: Zero Distortion, George V. Dajan, April, 42. Book Reviews Spatial Hearing, Jan., 154. Catch a Fire: The Life of Bob Marley, Jan., 169. Unsung Heroes of Rock 'n' Roll, Jan., 170. POPS: Paul Whiteman, King of Jazz, April, 110. Album Cover Album 3, April, 110. The Record Producers, April, 111. All You Need Is Ears, April, 111. Showtime at the Apollo, June, 14. New Rock Record, June, 16. Slowhand, The Story of Eric Clapton, June, 16.

Car Stereo Car Stereo: Getting the Noise Out, Daniel Sweeney, May, 60. 11th Annual Car Stereo Directory, May, 89. Construction Projects Frequency Contouring for Image Enhancement, Richard J. Kaufman, Feb., 34; Addendum, April, 37. The DNR Noise Reducer: How It Works and How to Build It, Leonard Feldman and R. Aryana, Feb., 40. Build a High-Performance Noise Reducer, John H. Roberts, Feb., 46. Tailor-Made Bass, Richard J. Kaufman, Aug., 56. Designs for Listening, March, 60.

David

Lander,

Digital Sound & Equipment Living with CDs, Leonard Feldman, Jan., 68. A New CD Test Standard, Leonard Feldman, Dec., 54. Directories Car Stereo Directory, May. Radios/Tape Players, 89; Amps/Equalizers/Crossovers, 100; Speakers, 108; Company Addresses, 131. Annual Equiptnent Directory, Oct. Introduction, 129; Category Color Codes,

AUDIO/DECEMBER 1985

130, 372; Digital Processors, 133; Compact Disc Players, 134; Preamplifiers, 142; Amplifiers, 156; Tuners, 171; Receivers, 175; Turntables, 179; Tonearms, 191; Phono Cartridges, 194; Cassette Decks, 205; Open-Reel Tape Decks, 212; Blank Tape, 215; Microphones, 218; Headphones, 228; Equalizers, 234; Signal Processors, 242; Hi-Fi VCRs, 245; Crossovers, 247; Loudspeakers, 251; Company Addresses, 299; Audio Yellow Pages, 306.

Nakamichi OMS-7 Compact Disc Player Aug., 70. NEC T-6 Tuner, Dec., 78. Onkyo T-9090 Tuner, May, 68. Parasound DR40 Receiver, April, 99. Pioneer SX-V90 Audio/Video Receiver, Jan., 102. Pioneer CLD-900 Compact Disc/Laserdisr Player, Feb., 52. Pioneer FEX-95 Car Stereo, May, 80. Pioneer F-99X Tuner, Nov., 52. Proton 440 Tuner, July, 70. Quad ESL 63 Loudspeaker, June, 110. Revox B215 Cassette Deck, July, 44. Rotel RC-870 Preamplifier, Aug., 96. Sansui C-2301 Preamplifier and B-2301 Amplifier, April, 82.

Equipment Profiles/Auricles Shure V15 Type V-MR Phono Cartridge/NakAcoustic Research AR98LS Speaker, Jan., amichi Dragon-CT Tonearm, April, 70. 94. Signet TK10ML Phono Cartridge, Feb., 65. Acoustic Research SRC Stereo Remote Signet TK10ML Phono Cartridge, Feb., 65. Control, Jan., 112. Sony D-5 Portable Compact Disc Player, ADS CD3 Compact Disc Player, June, 88. March, 42. Akai GX-R99 Cassette Deck, June, 94. Sony CDP-650ESD Compact Disc Player, Amber Model 7 Tuner and Model 50b AmJuly, 56. plifier, Aug., 76. Sony DAS-702ES D/A Converter, July, 58. Apogee Acoustics Scintilla Loudspeaker, Sony CDP-620ES Compact Disc Player, Dec., 84. Sept., 62. Apt Holman Preamplifier Two, Aug., 90. Sony PCM-501ES Digital Audio Processor, Audiovox/Hi-Comp HCC-1250 Car Stereo, Sept., 84. May, 74. Stax SR-Lambda Professional Earspeaker, Bose Roommate Loudspeaker, Nov., 90. Jan., 116. Bryston 4B Amplifier, Nov., 80. Streets Electronics Model 950 Power AmpliThe Carver Compact Disc Player, March, fier, Jan., 80. 74. Technics SP-10MK3 Turntable, Feb., 58. Celestion SL-600 Loudspeaker, Feb., 78. Technics RS-B100 Cassette Deck, March, Crown PZM-180 Microphone, March, 88. 94. dbx 10/20 Computerized Equalizer/Analyz- Technics SL-P3 Compact Disc Player, Aug., er, Jan., 90. 84. Electron Kinetics Eagle 2 Amplifier, Sept., Thiel CS3 Speaker, Nov., 60. 70. ULTRX R100 Receiver, April, 104. Esoteric Sound Re-Equalizer, Nov., 70. Yamaha R-9 Receiver, Dec., 60. Hitachi DA-600 Compact Disc Player, Feb., 71. FM Reception Intraclean S-711 Head Cleaner and C-911 FM Fidelity: Is the Promise Lost?, Dennis Cassette Cleaner, Dec., 96. Ciapura, March, 48. JBL Ti Series Loudspeakers, Aug., 100. FM Fidelity: One Station's Response, GorKenwood DP-1100B Compact Disc Player, don S. Carter (of WFMT), March, 53. Jan., 84. The Problem with FM, Eric Small and Robin Krell PAM-3 Preamplifier and KSA-50 AmLanier, March, 56. plifier, Dec., 90. Mark Levinson ML-10A Preamplifier and Gray Market: Is It Worth the Price?, Daniel ML-9 Amplifier, Aug., 60. C. Sweeney, Sept., 54. McIntosh MC 2002 Amplifier, April, 56. Meridian MCD Compact Disc Player, June, Interviews 100. John Hammond, Ted Fox, Jan., 56. Mission DAD-7000R Compact Disc Player, John Charles Cox, F. Alton Everest, Jan., 74. Dec., 70. Jerry Wexler, Ted Fox, Part I, May, 52; Part NAD 7130 Receiver, Sept., 76. II, June, 62. Nakamichi Dragon-CT Turntable, April, 62. Clive Davis, Ted Fox, Part I, July, 28; Part II, Nakamichi Dragon-CT Tonearm/Shure V15 Aug., 50. Type V-MR Phono Cartridge, April, 70. Nile Rodgers, Ted Fox, Sept., 42.

135

Mitch Miller, Ted Fox, Part I, Nov., 40; Part II, Dec., 42.

Obituary Norman Eisenberg, Nov., 10.

London Letter Pengelly Cylinder Player, Donald Aldous; HFNRR Awards Reinstated; May, 47.

Phono Cartridges Controlling MC Cartridge Response, Mile Nestorovic and Glenn White, Jan., 71. Nestorovic's MCC Network: On the Testbench, B. V. Pisha, Jan., 72.

Loudspeakers Forum: Woofing It Up, Gregory R. Jones, April, 30. The Magic Speaker from Acoustic Research, Kenneth L. Kantor, July, 34. Tailor-Made Bass, Richard J. Kaufman, Aug., 56. Microphones Microphones: Start with the Basics, Robert F. Herrold, April, 46. Noise Reduction The DNR Noise Reducer: How It Works and How to Build It, Leonard Feldman and R. Aryana, Feb., 40. Build a High-Performance Noise Reducer John H. Roberts, Feb., 46.

136

Psychoacoustics Frequency Contouring for Image Enhancement, Richard J. Kaufman, Feb., 34; Addendum, April, 37. The Magic Speaker from Acoustic Research, Kenneth L. Kantor, July, 34. Tape & Tape Recorders The Whys and Hows of Cassette Equalization, Herman Burstein, June, 72. Cassette Quality: What Is the Industry Doing?, Mike Jones, June, 82. Testing A New CD Test. Standard, Leonard Feldman, Dec., 54.

AUDIO/DECEMBER 1985

Addenda Museum of Broadcasting: The Show Place, David Lander (Jan. 1986, 58), May, 8. The Audio Interview: Bob Thiele, Ted Fox (Feb. 1986, 36), May, 8. Kenwood KRC-999 Car Stereo (Equipment Profile, April 1986, 52), Oct., 29. Book Reviews The New Sound of Stereo, June, 53. San Francisco Nights, June, 53. Principles of Digital Audio, June, 54. Beatle! The Pete Best Story, June, 57. Bookcassettes (from Brilliance Corp.), June, 57. In One Lifetime: The Life of William Grant Still, June, 58. Car Stereo Detroit Steers a Collision Course on Car Stereo, David Lander, April, 46. Music on the Move: The Keys to Car Stereo, Ivan Berger and Hans Fantel, May, 52. 12th Annual Car Stereo Directory, May, 95. Cartridges A Clutch of Cartridges ("Auricle"), Anthony H. Cordesman, Feb., 86. Compact Disc Players One Listener's CD Player Survey ("Auricle"), Anthony H. Cordesman, Jan., 120. Change for the Better: Four Multi-Disc CD Players, Leonard Feldman, June, 62. Construction Projects Build a Slow-Start Circuit, Daniel Dufresne, Jan., 66. Build a Stereo/Balance Test Switch, Herman Burstein, July, 46. Build a Passive Image Enhancer. Richard J. Kaufman, Nov., 60. Build a Live End/Dead End Listening Room, Part I, William R. Hoffman. Dec., 62. Directories Car Stereo Directory, May. Amplifiers/Equalizers, 95; CD Players, 106; Radios/Tape Players, 107; Speakers, 115; Company Addresses, 136. Annual Equipment Directory, Oct. Introduction, 153; Digital Processors, 157; Compact Disc Players, 158; Amplifiers, 170; Preamplifiers, 186; Tuners, 201; Receivers, 204; Turntables, 210; Phono Cartridges, 219; Tonearms, 228; OpenReel Tape Decks, 233; Cassette Decks, 236; Blank Tape, 244; Microphones, 248; Headphones, 259; Equalizers, 264; Ambience & Surround-Sound Processors, 271; Signal Processors, 272; Crossovers,

AUDIO/DECEMBER 1986

275; Hi-Fi VCRs, 279; Loudspeakers, 283; Company Addresses, 397. Equipment Profiles/Auricles Adcom XC-MR II ("Auricle: A Clutch of Cartridges"), Feb., 86. Akai CD-M88 Compact Disc Player, March, 76. Alpine 5900 Car Stereo Compact Disc Player. Feb., 70. Alpine 7374 Car Stereo, April, 62. Audio Control Phase Coupled Activator, Sept., 80. Audio Research SP-11 Preamplifier ("Auricle"), Sept., 92. Audio Research D-250MKIIS Amplifier ("Auricle"), Dec., 122. AudioSource RTA-One Real-Time Analyzer ("Auricle"), Dec., 128. Azden WMS-10 Wireless Microphone. Nov., 110. Bang & Olufsen Beogram CD X Compact Disc Player. March, 54. BASF LH-MI, CR-EII, and CR-MII Cassette Tapes ("Cassette Test Update"), June, 74. Bryston 5B Preamplifier and TF-1 Transformer, Sept., 60. Classe Audio DR-3 Amplifier, July, 76. conrad-johnson Premier Five Amplifier, Aug., 50. dbx DX3 Compact Disc Player, Nov., 82. Decca Super Gold ("Auricle: A Clutch of Cartridges"), Feb., 86. Denon DCD-1800 ("Auricle: One Listener's CD Player Survey"), Jan., 120. Denon DCR-7600 Car Stereo. April, 70. Denon DX3, DX4, HD6, HD7, HD8, and HDM Cassette Tape ("Cassette Test Update''), June, 74. Denon DCD-1500 Compact Disc Player. June, 116. Discrete Technology LSI ("Auricle: One Listener's CD Player Survey"), Jan., 120. Discrete Technology LSI MK.II Compact Disc Player, Nov., 102. Electrocompaniet MC-2 Pre-Preamp ("Auricle"), Jan., 114. Fried Studio IV Speaker, Feb., 58. Fuji GT-1, FR-II, GT-II Cassette Tapes ("Cassette Test Update"), June, 74. Garrott Decca ("Auricle: A Clutch of Cartridges"), Feb., 86. Goldbug Clement II Cartridge and Zeta Standard Tonearm, Dec., 90. Grace G-747 Tonearm and F-9E Super Cartridge, Jan., 94. Grado Signature 8MR ("Auricle: A Clutch of Cartridges"), Feb., 86. Hafler DH-330 FM Tuner, Nov., 74. Harman/Kardon CH160 Car Stereo, May, 66.

Infinity RS 4B Loudspeaker I Auricle"), April, 82. Kenwood KRC-999 Car Stereo, April, 52; Addendum, Oct., 29. Kinergetics KPA 1 Preamplifier A u g . , 62. Klipschorn Loudspeaker, Nov., 64. Lirpa Distortek J-X33B Rack System ("Auricle"), April, 80. Magnavox FD30403L ("Auricle: One Listener's CD Player Survey"), Jan., 120. Magnum Dynalab FT 101 Tune, June, 108. Marantz PMD430 Portable Cassette Deck, July, 94. Maxell U R , U D S - I , XLI, XLI-S, UDS-II, XLII, XLII-S, and MX Cassette Tapes ("Cassette Test Update"), June, 74. McLaren 402 Preamplifier and 702 Amplifier, Dec., 68. Memorex MRX I, HBII, HBXII, and CDXII Cassette Tapes ("Cassette Test Update"), June, 74. Meridian MCD ("Auricle: One Listener's CD Player Survey"), Jan, 120. Meridian Professional ("Auricle: One Listener's CD Player Survey"), Jan., 120. Michell GyroDec Turntable, Dec., 82. Mission DAD-7000R ("Auricle: One Listener's CD Player Survey"), Jan., 120. Mitsubishi DP-409R ("Four Multi-Disc CD Players"), June, 62. Monster Cable X-Terminator Speaker Plugs ("Auricle"), Jan., 118. Nakamichi OMS-5 ("Auricle: One Listener's CD Player Survey"), Jan., 120. Nakamichi TD-700 Car Stereo, March, 58. Nakamichi CR-7A Cassette Deck, Aug., 42. NEC CD-705E ("Auricle: One Listener's CD Player Survey"), Jan., 120. NEC CD-650E Compact Disc Player, Dec., 112. Nikko NCD-600 ("Four Multi-Disc CD Players"), June, 62. Onkyo M-510 Amplifier ("Auricle"), Aug., 69. Oracle Delphi II Turntable ("Auricle"), June, 130. PDMagnetics FERRO, Tri-Oxide FERRO HG, 500 Crolyn, 500 Crolyn HG, and 1100 Metal HG Cassette Tapes ("Cassette Test Update"), June, 74. Pioneer PD-9010X Compact Disc Player, Feb., 78. Pioneer PD-M6 ("Four Multi-Disc CD Players"), June, 62. Proton D940 Receiver, July, 86. RAKS High Dynamic, High Dynamic I, and High Dynamic II Cassette Tapes ("Cassette Test Update"), June, 74. Revox B225 ("Auricle: One Listeners CD Player Survey"), Jan., 120, Revox B286 Tuner/Preamplifier, Dec., 102. Robertson Sixty Ten Amplifier, Feb., 52. Scotch CX, XCI, XSII, and XSMIV Cassette Tapes ("Cassette Test Update"), June, 74. Sherwood CRD-180 Car Stereo, May, 72. Shure SM91 Microphone, June, 122.

167

SME V Tonearm and Talisman Virtuoso DTi Cartridge, June, 88. Sony D-5 ("Auricle: One Listener's CD Player Survey"), Jan., 120. Sony CDX-A10 ("Four Multi-Disc CD Players"), June, 62. Sony HF, HF-S, UCX, UCX-S, and Metal-ES Cassette Tapes ("Cassette Test Update"), June, 74. SOTA Star Sapphire Turntable, June, 98. Soundstream TC 308 Car Stereo, Sept., 66. Talisman Alchemist IIIS ("Auricle: A Clutch of Cartridges"), Feb., 86. Talisman Virtuoso DTi Cartridge and SME V Tonearm, June, 88. Tandberg 3008A Preamplifier and 3009A Amplifier, June, 68. TDK D, AD, SA, SA-X, and HX-S Cassette Tapes ("Cassette Test Update"), June, 74. Technics EPC-205CMk4 Cartridge, Jan., 78. Technics EPC-305MCII Cartridge and SH305MC Transformer, Aug., 56. Technics SH-8066 Equalizer, Nov., 94. Terk 8403 FM Antenna, Jan., 89. Triad FX, EM-X, and MG-X Cassette Tapes ("Cassette Test Update"), June, 74. Uher CR 160 AV Portable Cassette Recorder, Jan., 104. Yamaha CD-2 ("Auricle: One Listener's CD Player Survey"), Jan., 120. Yamaha CD-3 ("Auricle: One Listener's CD Player Survey"), Jan., 120. Yamaha K-1020 Cassette Deck, March, 68. Yamaha YGE-600 Car-Stereo Equalizer ("Auricle"), May, 81. Zeta Standard Tonearm and Goldbug Clement II Cartridge, Dec., 90.

Jerry Leiber & Mike Stoller, Ted Fox, Part I, Nov., 52; Part II, Dec., 54. Lirpa The Lirpa Turbo Steamtable, Prof. I. Lirpa and Ivan Berger, April, 42. Lirpa Distortek J-X33B Rack System ("Auricle"), April, 80. London Letter Masterful Remastering ("Jazz Classics in Stereo"), Donald Aldous, Nov., 9. Loudspeakers Confessions of a Loudspeaker Salesman Harold Weinberg and Robert Angus, March, 48. Measurements Femtowatts Take Over, Leonard Feldman, Nov., 80. Microphones Matching a Mike, Howard A. Roberson, Aug., 40. Music Performance & Recording Fitting Revivals: The Mosaic Reissues, Frank Driggs, June, 136. Zydeco Music: Hat as a Pepper, Ted Fox, Sept., 42. London Letter: Masterful Remastering ("Jazz Classics in Stereo"), Donald Aldous, Nov., 9.

Obituaries Frank Hoffman, Feb., 21. Herb Horowitz, April, 40. C. G. "Mac" McProud, Sept., 6. A. Stewart Hegeman, Nov., 26. Jack Trux. Dec., 18.

Psychoacoustics A History of Binaural Sound, John Sunier, March, 36. The Filters in Our Ears, F. Alton Everest, Sept., 50.

Round-Up Reviews One Listener's CD Player Survey ("Auricle"), Anthony H. Cordesman, Jan., 120. A Clutch of Cartridges ("Auricle"), Anthony H. Cordesman, Feb., 86. Change for the Better: Four Multi-Disc CD Players, Leonard Feldman, June, 62. Cassette Test Update: 49 Formulations, Howard A. Roberson, June, 74.

Tape & Tape Recorders Forum: Tape Measure, Leonard Feldman, Jan., 39. Cassette Test Update: 49 Formulations, Howard A. Roberson, June, 74. Deck-to-Deck Matching and NR: Straigntening the Mirror, Howard A. Roberson, Aug., 30.

FM Reception FMX: Long Distance Stereo, Clean as Mono, Leonard Feldman, May, 60. Forum Tape Measure, Leonard Feldman, Jan., 39. Headphones A History of Binaural Sound, John Sunier, March, 36. History of Audio Museum of Broadcasting: The Show Place, David Lander, Jan., 58; Addendum, May, 8. A History of Binaural Sound, John Sunier, March, 36. Confessions of a Loudspeaker Salesman, Harold Weinberg and Robert Angus, March, 48. Fitting Revivals: The Mosaic Reissues, Frank Driggs, June, 136. Interviews Bob Thiele, Ted Fox, Feb., 36; Addendum, May, 8. Phil Ramone, Ted Fox, July, 38.

168

AUDIO/DECEMBER 1986

Book Reviews An Autobiography of Black Jazz by Dempsey J. Travis, April, 100. The Penguin Guide to Compact Discs, Cassettes and LPs by E. Greenfield, R. Layton, and I. March; April, 101. The Continuous Wave: Technology and American Radio, 1900-1932 by Hugh G. J. Aitken, April, 102. Acoustical Measurements, Methods and Instrumentation edited by Harry B. Miller, April, 102. Handbook of Recording Engineering by John Eargle, April, 104. Auditory Perception (manual and audio cassettes) by F. Alton Everest, Sept., 46. Introduction to Magnetic Recording edited by Robert M. White, Sept., 46. I Remember—Eighty Years of Black Entertainment, Big Bands, and the Blues by Clyde Bernhardt and Sheldon Harris, Sept., 46. The Recording Angel: Explorations in Phonography by Evan Eisenberg, Sept., 50. Broadcasting Nine Stations—One Antenna, Ivan Berger, Jan., 58. Interview: Richard L. Edwards, WINZ Broadcast Engineer, Lewis T. Fineman, Jan., 61. Dept. of Amplification (Major Armstrong and FM development), John K. Mitchell, Oct., 121. FMX: Technology Update, Ron Schneiderman, Oct., 127. A Life in Radio Broadcasting, Mortimer Goldberg, Dec., 62. Car Stereo 8 Car Amps Tested (ADS PQ10, Carver M240, Hafler MA-1, Harman/Kardon CA260, Infinity MRA-150, Linear Power Model 1002, Proton D275, and Soundstream D200), Leonard Feldman and Ivan Berger, May, 42. Car Stereo Noise: A Process of Elimination, Mike Ergo, May, 51. 13th Annual Car Stereo Directory, May, 101. Construction Projects Build a Live End/Dead End Listening Room, Part II, William R. Hoffman, Jan., 55. Nulling Out Amp Distortion, David Hafler, Feb., 46. The Magnavox 16-Bit Series: Making Good Players Better, Walter G. Jung, June, 74. Build a Polarity Inverter, Richard J. Kaufman, Dec., 70. Build an Op-Amp Power Supply, Richard J. Kaufman, Dec., 72. Digital Sound & Equipment The Magnavox 16-Bit Series: Making Good Players Better Walter G. Jung, June, 74.

AUDIO/DECEMBER 1987

The New Chip Set: The Essence of the Magnavox ICs, Prasanna Shah, June, 76. Exclusive Test Report: Four DAT Recorders (Sony DTC-1000ES, Technics SV-D1000, Luxman KD-117 Prototype, and Mitsubishi Car Player Prototype), Leonard Feldman, July, 36. The R-DAT Standard, Leonard Feldman, July, 38. Forum: Unbalancing Act/Update (CBS Copy-code system), Leonard Feldman, Aug., 28. Do CDs Sound Different?, John Eargle, Nov., 62. Dithered Linearity CD Test Signals, Leonard Feldman, Dec., 110. Directories Car Stereo Directory, May. Amplifiers/Equalizers, 101; Compact Disc Players, 112; Radios/Tape Players, 114; Speakers, 121; Company Addresses, 144. Annual Equipment Directory, Oct. Introduction, 167; Compact Disc Players, 172; Digital Recorders/Processors, 184; Amplifiers, 186; Preamplifiers, 206; Tuners, 224; Receivers, 228; Turntables, 234; Tonearms, 240; Phono Cartridges, 244; Cassette Decks, 256; Open-Reel Tape Decks, 263; Blank Tape, 263; Microphones, 267; Headphones, 282; Equalizers, 288; Ambience & Surround-Sound Processors, 296; Signal Processors, 300; Crossovers, 302; Hi-Fi VCRs, 307; Loudspeakers, 310; Company Addresses, 449. Equipment Profiles/Auricles Accuphase DP-70 Compact Disc Player ("Auricle"), Dec., 128. ADS PQ10 ("8 Car Amps Tested"), May, 42. ADS CD4 Compact Disc Player, June, 108. Akai CD-A70 Compact Disc Player, June, 124. AR Powered Partners Active Speakers ("Auricle"), Feb., 88. AR Model X-10 Receiver, Dec., 96. Audio Control Richter Scale Series III Analyzer/EQ/Crossover, Dec., 116. Audio-Technica AT-9400 Stereo Microphone, Nov., 132. Audix UD-200S Microphone, June, 132. A.V.A. (Audio by Van Alstine) Transcendence 250 Series Two Amplifier, June, 118. Azden GM-P5L Cartridge, Jan., 104. Carver M-240 ("8 Car Amps Tested"), May, 42. CTI Astatic MF-100MR Cartridge, Sept., 105. dbx Soundfield Ten Speaker System, Jan., 84. Denon DX1, DX3, DX4, HD6 HD7, HD8, and HD-M ("Mass Cassette Test"), Nov., 50.

Electrocompaniet EC-1 Preamplifier, Nov., 118. Eminent Technology Tonearm 2 and Talisman Virtuoso B Cartridge, Feb., 80. EPI Stat 450 Speaker, Feb., 70. Forte Audio Model 1 Amplifier, Dec., 90. Fuji FR-I Super and FR-II Super ("Mass Cassette Test"), Nov., 50. Grado XTE + 1, Signature 8MX, and Signature MCX Cartridges ("Auricle"), June, 144. Hafler MA-1 ("8 Car Amps Tested"), May, 42. Hafler XL-280 Amplifier, Nov., 126. Harman/Kardon CA260 ("8 Car Amps Tested"), May, 42. Infinity MRA-150 ("8 Car Amps Tested"), May, 42. JVC RX-9V A/V Receiver, March, 68. Kyocera DA-710CX Compact Disc Player, Sept., 98. Mark Levinson No. 20 Mono Amplifie,. Aug., 62. Linear Power Model 1002 ("8 Car Amps Tested"), May, 42. Linn Axis Turntable, May, 74. Linn Basik LVX Tonearm and K9 Cartridge, Nov., 100. Luxman KD-117 Prototype ("Exclusive Test Report: Four DAT Recorders"), July, 36. Luxman LV-109 Integrated Amplifier, Sept., 72. Magnavox CDB650 Compact Disc Player, March, 60. Maxell XLI-S, XLII-S, and MX ("Mass Cassette Test"), Nov., 50. Memorex dBS, MRX I, HB II, HBX II, and CDX II ("Mass Cassette Test"), Nov., 50. Mission PCM-7000 Compact Disc Player, Aug., 80. Mitsubishi Car Player Prototype ("Exclusive Test Report; Four DAT Recorders"), July, 36. Monster Cable Alpha 2 Cartridge, April, 90. NAD 7220PE Receiver, Sept., 86. Nakamichi SR-3A Receiver Jan., 76. Nikko Gamma 30 Tuner, Jan., 110. Onkyo P-308 Preamplifier and M-508 Amplifier ("Auricie"), Sept., 112. Onkyo DT-2001 Digital Audio Tape Recorder, Dec., 78. Pioneer SA-V70 Amplifier, Jan., 98. Pioneer VSX-5000 A/V Receiver, June, 136. Proton D275 ("8 Car Amps Tested"), May, 42. Rane PE 15 Mono Equalizer April, 82. SAE A202 Amplifier, July, 58. Shure HTS5000 Surround Audio Processor, Feb., 60. Shure D6000 Compact Disc Player, April, 74. SKC GX, AX, QX, and ZX ("Mass Cassette Test"), Nov., 50. Sony DTC-1000ES ("Exclusive Test Report: Four DAT Recorders"), July, 36. Sony CDP-705ESD Compact Disc Player, July, 48. Sony HF, HF-S, UX, UX-S, UX-ES, UX-PRO, and Metal-ES ("Mass Cassette Test"), Nov., 50. Soundcraftsmen Pro-Power Four Amplifier, Sept., 78.

175

Soundstream D200 ("8 Car Amps Tested"), May, 42. Speiden SF-12 Stereo Microphone, March, 82. Sumo Polaris Amplifier, Nov., 92. Talisman Virtuoso B Cartridge and Eminent Technology Tonearm 2, Feb., 80. Tandberg TCA 3018A Preamplifier and TPA 3026A Amplifier, April, 66. Tandberg 3015A Compact Disc Player ("Auricle"), Nov., 144. TDK AD-S, SA-XG, MA-X, and MA-XG ("Mass Cassette Test"), Nov., 50. Technics SV-D1000 ("Exclusive Test Report: Four DAT Recorders"), July, 36. Technics CQ-H7500 Car Stereo, July, 64. Technics SL-P1200 Compact Disc Player, Dec., 104. Thorens TD 320 Turntable and TP 16 MK III Tonearm, March, 76. Threshold SA/1 Mono Amplifier, Jan., 68. Triad F-X, EM-X, and M G - X ("Mass Cassette Test"), Nov., 50. Velodyne ULD-15 Powered Subwoofer, Nov., 78. VPI HW 19-MKII Turntable ("Auricle"), Jan., 114. Yamaha DSP-1 Digital Sound Field Processor, June, 82.

Theory, Ingenuity, and Wizardry in Speaker Design, George L. Augspurger, April, 51. Plane Facts About Flat Speakers, Kenneth L. Kantor, Aug., 40. The LEDE Concept, Don Davis, Aug., 48. Designing a Home Listening Room, B. V. Pisha and Charles Bilello, Sept., 56. The Case for Active Speaker Systems, Bob Stuart, Sept., 64. Music Performance & Recording Direct Metal Mastering—A New Art in LP Records B. V. Pisha and George Alexandrovich, April, 56. DMM for CDs Too!, Leonard Feldman, April, 60. Compelling Reissues: MCA's Jazz Classics, Hector G. La Torre, April, 96. The Audio Interview: George Martin, Susan Borey, June, 58. A Plethora of Planets (CD issues of Gustav Hoist's "The Planets"), John Eargle, Oct., 137. Do CDs Sound Different?, John Eargle, Nov., 62.

Mobile Fidelity's Latest CDs, John Eargle, Nov., 148. Obituaries Richard C. Heyser, June, 6. John Hammond, Oct., 4. Psychoacoustics Build a Live End/Dead End Listening Room, Part II, William R. Hoffman. Jan., 55. Illusions for Stereo Headphones (Includes Soundsheet), Dr. Diana Deutsch, March, 36. The LEDE Concept, Don Davis, Aug., 48. Designing a Home Listening Room. B. V Pisha and Charles Bilello, Sept., 56.

Round-Up Reviews 8 Car Amps Tested, Leonard Feldman and Ivan Berger, May, 42. Exclusive Test Report: Four DAT Recorders, Leonard Feldman, July, 36. Mass Cassette Test: We Review 35 New Tapes, Howard A. Roberson, Nov., 50.

Forum Show Woes, Anthony H. Cordesman, April, 44. Unbalancing Act/Update (CBS Copy-code system), Leonard Feldman, Aug., 28. History of Audio Theory, Ingenuity, and Wizardry in Speaker Design, George L. Augspurger, April, 51. Behind the Scenes (Anniversary remembrance), Bert Whyte, May, 26. Thanks for the Memories: Audio Is 40, Leonard Feldman, May, 56. Audio ETC (Anniversary remembrance), Edward Tatnall Canby, June, 30. Spectrum (Anniversary remembrance), Ivan Berger, June, 34. Dept. of Amplification (Major Armstrong and FM development), John K. Mitchell, Oct., 121. A Life in Radio Broadcasting, Mortimer Goldberg, Dec., 62, Interviews Richard L. Edwards (WINZ broadcast engineer), Lewis T. Fineman, Jan., 61. Chris Blackwell, Ted Fox, Part I, Feb., 50; Part II, March, 50. George Martin, Susan Borey, June, 58. Alfred Lion, Ted Fox, June, 62. Allen Toussaint, Ted Fox, Nov., 66. Listening Rooms Build a Live End/Dead End Listening Room, Part II, William R. Hoffman, Jan., 55. The LEDE Concept, Don Davis, Aug., 48. Designing a Home Listening Room, B. V. Pisha and Charles Bilello, Sept., 56. Loudspeakers Build a Live End/Dead End Listening Room. Part II, William R. Hoffman, Jan., 55.

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AUDIO/DECEMBER 1987

Amplifiers Understanding Common-Mode Signals, R. N. Marsh, Feb., 58. An Informal History of Car Amps, John R. Bishop, May, 37. An Informal History of Solid-State Amps, Daniel Sweeney and Steve Mantz, June, 46. Book Reviews Introduction to Professional Recording Techniques by Bruce Bartiett, Sept., 36. Audio Production Techniques for Video by David Miles Huber, Sept., 36. The Audio Dictionary by Glenn D. White, Sept., 36. The Loudspeaker Design Cookbook. Third Edition by Vance Dickason, Sept., 42. The Jazz Years: Earwitness to an Era by Leonard Feather, Oct., 53. Benny Goodman: Listen to His Legacy by D. Russell Connor, Oct., 53. Remembering Buddy by John Goldrosen and John Beecher, Oct., 54. A Life in Jazz by Danny Barker, Oct., 54. Grounding and Shielding Techniques in Instrumentation, Third Edition by Ralph Morrison, Dec., 57. Noise Reduction Techniques in Electronic Systems, Second Edition by Henry Ott, Dec., 57. Total Harmonic Distortion by Charles Rodrigues, Dec., 59. Car Stereo An Informal History of Car Amps. John R. Bishop, May, 37. Power to the People: Build a Car Subwoofer, Richard A. Frank, May, 44. 14th Annual Car Stereo Directory, May, 101. 4 x 4 By Two, Ivan Berger, Nov., 72. Construction Projects Power to the People: Build a Car Subwoofer, Richard A. Frank, May, 44.

AUDIO/DECEMBER 1988

Build an Active Filter, Richard J. Kaufman, July, 44. Build a High-Blend Control, Richard J. Kaufman, July, 47. Speakers By Design, Ken Kantor, Part I, Nov., 64; Part II, Dec., 72. Digital Sound & Equipment Deciding on DAT: Witness of the Persecution, Barry Fox, March, 40. Forum: Philips' holly, Leonard Feldman, April, 16. Forum: "DATs de Breaks," Leonard Feldman, May, 30. Forum: Pop Goes the Problems, Leonard Feldman, Aug., 24. Crest Factors of CDs, Leonard Feldman, Dec., 96. Directories Car Stereo Directory, May. Introduction, 101; DAT Players, 101; Amps/Equalizers, 102; Compact Disc Players, 110; Radios/Tape Players, 111; Speakers, 123; Company Addresses, 145. Annual Equipment Directory, Oct. Introduction, 139; DAT Recorders, 142; CD Players & D/A Converters, 146; Amplifiers, 172; Preamplifiers, 206; Tuners, 222; Receivers, 228; Turntables, 242; Tonearms, 252; Phono Cartridges, 255; Cassette Decks, 268; Open-Reel Tape Decks, 276; Blank Tape, 276; Microphones, 281; Headphones, 298; Equalizers, 304; Ambience & Surround Sound Processors, 308; Signal Processors, 310; Crossovers, 316; Hi-Fi VCRs, 320; Loudspeakers, 324; Company Addresses, 439. Equipment Profiles/Auricles Akai AD-93 Digital Audio Tape Recorder, June, 68. Akai AT-93 Tuner, Dec., 128. AR TSW 115P Powered Loudspeaker ("Auricle"), Dec., 156.

Ariston Forte Turntable and Enigma Tonearm, Dec., 140. Audiolab 8000A Integrated Amplifier, April, 70. Audio Research M-300 Amplifier ("Auricle"), Nov., 152. Blaupunkt Berlin TQR 07 Car Stereo, May, 64. Clarion Audia 2000E Car Stereo, May, 76. Creek 3140 FM Tuner, Jan., 124. dbx TX1 Tuner, Nov., 101. Denon DN-950 CD Cart Player ("Spectrum"), Aug., 18. Dual CS 5000 Turntable and Ortofon X3-MC Cartridge, Nov., 114. Eclipse EST-240 Car DAT Player Nov., 134. Ford Premium Car Stereo, May, 50. Harman/Kardon Citation Twenty-Three Tuner, Jan., 101. Infinity 9 Kappa Loudspeaker ("Airicle"), Jan., 132. KEF 107 Loudspeaker, Feb., 88. Kenwood KX-660HX Cassette Deck, April, 78. Kenwood KDT-99R AM/FM-DAT Car Stereo, Sept., 86. Klyne SK-5A Preamplifier, Jan., 72. Mark Levinson No. 23 Dual Mono Amplifier ("Auricle"), April, 83. Luxman R-117 Receiver, March, 56. Marantz CD-94 Compact Disc Player and CDA-94 D/A Converter, Aug., 70. Marantz PM-94 Integrated Amplifier, Dec., 116. MB Quart Electronics 280 Loudspeaker, Dec., 102. McIntosh C 31V Audio/Video Preamplifier, Feb., 80. Meitner PA-6i Preamplifier, Nov., 140. Mission Mat ("Mats & Clamps: By the Numbers"), April, 44. Mod Squad Prism Compact Disc Player ("Auricle"), Aug., 104. Monster Cable Planax Clamp ("Mats & Clamps; By the Numbers"), April, 44. Nakamichi CR-4A Cassette Deck, Aug., 88. NEC AVD-700E Digital Surround Processor, March, 78. Ohm Walsh 5 Loudspeaker, June, 78. Onkyo T-9090II FM Tuner, July, 70. Oracle Mat ("Mats & Clamps: By the Numbers"), April, 44. Ortofon X3-MC Cartridge and Dual CS 5000 Turntable, Nov., 114; with Ariston Forte

199

Turntable and Enigma Tonearm, Dec., Tom Jung, David Lander, Aug., 50. (dmp) 140. Leonard Feather, Ted Fox, Sept., 56. Parasound D/HX-600 Cassette Deck, Pick Rowe, Susan Elliott, Dec., 82. (RestoraMarch, 68. tion of Hair) Philips CD960 Compact Disc Player, June, 112. Loudspeakers Philips DAC960 D/A Converter, June, 124. Power to the People: Build a Car SubPioneer Elite F-91 Tuner, Aug., 58. woofer, Richard A. Frank, May, 44. Platter Matter Mat ("Mats & Clamps: By the Build an Active Filter, Richard J. Kaufman, Numbers"), April, 44. July, 44. PS Audio 4.6 Preamplifier ("Auricle"), Sept., Speakers By Design, Ken Kantor, Part I, 116. Nov., 64; Part II, Dec., 72. Revox B260 FM Tuner, Sept., 70. Sansui CD-X901 Compact Disc Player, Measurement Techniques Jan., 108. Understanding Common-Mode Signals, Scotch Dustguard Mat ("Mats & Clamps: By R. N. Marsh, Feb., 58. the Numbers"), April, 44. Mats & Clamps: By the Numbers, Edward Sennheiser MKH 40 Microphone, Jan., 114. M. Long, April, 44. Sony CDP-707ESD Compact Disc Player, Forum: Pop Goes the Problems, Leonard April, 56. Feldman, Aug., 24. SOTA Mat and Supermat ("Mats & Clamps: Crest Factors of CDs, Leonard Feldman, By the Numbers"), April, 44. Dec., 96. Soundcraftsmen Pro-Control Four Preamplifier, Feb., 104. Music Performance & Recording Sumo Delilah Crossover, Aug., 98. Grateful Tapers: An Informal History of ReTandberg 3001 A FM Tuner, March, 48. cording "The Dead," Michael Nash, Jan., 54. Turomat ("Mats & Clamps: By the Numbers"), April, 44. van den Hul MC-One Cartridge and Weil Tempered Tonearm, July, 49. Well Tempered Turntable, July, 48. Well Tempered Tonearm and van den Hul MC-One Cartridge, July, 49. Wheaton Tri-Planar II Tonearm, June, 100. Yamaha CDX-5000 Compact Disc Player, Jan., 88. Yamaha CDX-1110U Compact Disc Player, Sept., 102. Yamaha DSP-3000 Digital Sound Field Processor, Nov., 82.

The Moscow Sessions: From Russia with Love, Bert Whyte and Lisa Sonne, March, 45. Inscriptions: Miles Davis on CD, John Sunier, April, 38 (Erratum, June, 6). Ella in Rome, Michael Aldred, Oct., 118. Irving Berlin: The Memories Linger On, Donald Spoto, Oct., 124. Reprise: The Commodore and Keynote Collections, Frank Driggs, Dec., 78. Obituary John Bowers, April, 2. Tape & Tape Recorders The Effectiveness of Bulk Erasing, Howard, A. Roberson, Jan., 64. EQ and NR: Striking a Balance, Howard A. Roberson, Aug., 46. Hi-Fi Sound on Hi-Fi VCRs, Joseph Giovanelli, Sept., 52. Oberlin Smith: Centenary of Magnetic Recording, Jon R. Sank, Dec., 90. Turntables Mats & Clamps: By the Numbers, Edward M. Long, April, 44.

Forum Philips' Folly, Leonard Feldman, April, 16. "DATs de Breaks," Leonard Feldman, May, 30. Pop Goes the Problems, Leonard Feldman, Aug., 24. History of Audio An Informal History of Car Amps, John R. Bishop, May, 37. An Informal History of Solid-State Amps, Daniel Sweeney and Steve Mantz, June, 46. Oberlin Smith: Centenary of Magnetic Recording, Jon R. Sank, Dec., 90. Interviews Milt Gabier, Ted Fox, Feb., 66. (Commodore Music) Dave Grusin and Larry Rosen, David Lander, March, 34. (GRP Records) Chris Strachwitz, Ted Fox, June, 56. (Arhoolie Records/Down Home Music) E. Alan Silver, David Lander, July, 38. (Connoisseur Society/In Sync Laboratories)

200

AUDIO/DECEMBER 1988

Broadcasting Spectrum: FMX Haze, Leonard Feldman, May, 32.

Amplifiers Cables and the Amp/Speaker Interface, R. A. Greiner, Aug., 46 (Addendum, Nov., 4). THX Sound System: Certified Hi-Fi for the Movies, Tomlinson Holman, Sept., 62. Forum: Burst of Creativity (Amp Test Standards), Edward J. Foster, Nov., 60.

Binaural Sound The Blue Max Affair, Robin Lanier, Nov., 68. Binaural Overview: Ears Where the Mikes Are, John Sunier, Part I, Nov., 74; Part II, Dec., 48. The Aachen Head System: Binaural Recording for Headphones and Speakers, Dr.-lng. Klaus Genuit and Wade R. Bray, Dec., 58.

Book Reviews Frequency Analysis by R. B. Randall, March, 26. Celebrating Bird: The Triumph of Charlie Parker by Gary Giddins, March, 36. Perception of Reproduced Sound edited by Soren Bech and O. Juhl Pedersen, April, 22. Buck Clayton's Jazz World by Buck Clayton, assisted by Nancy Miller Elliott, June, 22. Dick Todd: King of the Juke Box by Sheldon O'Connell, June, 22. The New Penguin Guide to Compact Discs and Cassettes by Edward Greenfield, Robert Layton, and Ivan March, July, 16. The New Grove Dictionary of Jazz, Vols. I and II edited by Barry Kernfeld, July, 18. The Wood Effect by R. C. Johnsen, Aug., 14. Loudspeaker and Headphone Handbook edited by John Berwick, Aug., 16. The Compact Disc: A Handbook of Theory and Use by Ken C. Pohlmann, Oct., 44. Audio Electronics Reference Book edited by Ian R. Sinclair, Oct., 46.

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Car Stereo Road War: 5 Car Amps Tested (a/d/s/ PH15, Altec Lansing ALA-435, Blaupunkt PSA 168, Canton M50 Amp Module and MF5 Mainframe, and Linear Power 4302), Leonard Feldman and Ivan Berger, May, 38. Quick-Build Car Project: Op-Amp Power Supply, Richard J. Kaufman, May, 51 (Addendum, July, 6). Quick-Build Car Project: Subwoofer Crossover, Richard J. Kaufman, May, 53. 15th Annual Car Stereo Directory, May, 115.

Construction Projects Quick-Build Car Project: Op-Amp Power Supply, Richard J. Kaufman, May, 51 (Addendum, July, 6). Quick-Build Car Project: Subwoofer Crossover, Richard J. Kaufman, May, 53. Build an Indoor FM Antenna, Richard J. Kaufman, July, 52.

Digital Sound & Equipment DATs the Way It Is, Christopher Greenleaf, Jan., 70. How's DAT Doing Here?, Ivan Berger, Jan., 72. Putting the Byte on Noise: NoNoise from Sonic Solutions, Michael Wright, March, 54. How Hot Are CDs?, Howard A. Roberson, July, 42. Whither the Stereo LP?, John Eargle, Aug., 54. In Conference: Bit by Bit (AES International Conference, "Audio in Digital Times"), R. A. Greiner, Sept., 42. Forum: DAT Deal's Done, Leonard Feldman, Oct., 118. Directories Car Stereo Directory, May. Introduction, 115; DAT Players, 115; Amps/Equalizers, 116; CD Players, 129; Radios/Tape Players, 131; Speakers, 142; Company Addresses, 171.

Annual Equipment Directory, Oct. Special Section Tabs, 179; CD Players & D/A Converters, 182; DAT Recorders, 204; Amplifiers, 206; Preamplifiers, 236; Tuners, 258; Receivers, 264; Turntables, 273; Tonearms, 278; Phono Cartridges, 280; Open-Reel Tape Decks, 294; Cassette Decks, 296; Blank Tape, 302; Microphones, 305; Headphones, 322; Equalizers, 332; Ambience & Surround Sound Processors, 337; Signal Processors, 342; Crossovers, 344; Hi-Fi VCRs, 350; Loudspeakers, 353; Company Addresses, 483. Equipment Profiles/Auricles Accuphase G-18 Third-Octave Equalizer, April, 80. a/d/s/ CC4 Tuner/Preamplifier, March, 72. a/d/s/ PA4 Power Amplifier, March, 73. a/d/s/ PH15 Car Amplifier ("Road War: 5 Car Amps Tested"), May, 38. Altec Lansing ALA-435 Car Amplifier ("Road War: 5 Car Amps Tested"), May, 38. Anechoic Orchestral Music Recording Test CD ("Auricle"), July, 98. Available from Denon. Apogee Duetta Signature Loudspeaker, Dec., 70. Audio Control Ten Plus Equalizer, Jan., 99. Audio Dynamics T-2000E Tuner, Feb., 108. AudioPrism 7500 indoor FM Antenna ("Auricle"), Dec., 130. Auditory Demonstrations Test CD ("Auricle"), July, 98. Available from the Acoustical Society of America. Blaupunkt PSA 168 Car Amplifier ("Road War: 5 Car Amps Tested"), May, 38. Cambridge SoundWorks Ensemble Loudspeaker, Sept., 106. Canton M50 Car Amplifier Module and MF5 Mainframe ("Road War: 5 Car Amps Tested"), May, 38. Classic Audio CA260 Dual Mono Amplifier, Nov., 130. Denon DCD-3520 Compact Disc Player, June, 82. Eminent Technology LFT-III Loudspeaker ("Auricle"), Feb., 114. Fosgate DSM-3610 Pro-Plus Surround Processor, March, 88. Fuselier 3.8D Loudspeaker, June, 110. Goldmund Mimesis 7 Preamplifier and Mimesis 6 Amplifier, Dec., 82. Hafler XL600 Power Amplifier, Feb., 86. Harman Kardon HD800 Compact Disc Player, Jan., 116. Harman Kardon Citation Twenty-Five Preamplifier, March, 98.

AUDIO/DECEMBER 1989

Harman Kardon CR151 Car Stereo, May, 54. Harris XD-001UH Digital Audio Tape Recorder, June, 98. JVC XP-A1010 Digital Acoustics Processor, Sept., 118. Mark Levinson No. 26 Dual Mono Preamplifier ("Auricle"), Aug., 106. Lexicon CP-1 Digital Audio Environment Processor, Nov., 104. Linear Power 4302 Car Amplifier ("Road War: 5 Car Amps Tested"), May, 38. Linn LK1 Preamplifier, April, 88. Linn LK280 Power Amplifier, April, 89. Mitsubishi DT-10 Car Digital Audio Tape Player, May, 70. Modulation Sciences ModMinder ("Spectrum"), Oct., 57. Motif MC8 Preamplifier and MS100 Amplifier, July, 56. NAD 7400 Receiver, Aug., 62. Nakamichi 1000 DAT Recording System, Nov., 90. Onkyo DX-G10 Compact Disc Player, March, 62. Paradigm 7se Loudspeaker, Sept., 74. Phantom Acoustics Shadow Active L.F. Acoustic Controller ("Auricle"), June, 126. Philips CD880 Compact Disc Player, Jan., 84. Revolver Turntable, Standard Arm, and Bullet Cartridge, April, 106. Shure Home Theater Sound HTS 5300 Surround Decoder, July, 84. Sony PCM-2500 Digital Audio Tape Recorder, Feb., 92. Sony SDP-777ES Digital Surround Processor, Aug., 80. Sony CDP-X7ESD Compact Disc Player, Nov., 120. Soundcraftsmen Pro-Power Ten Amplifier, Sept., 100. Sumo Athena Preamplifier, Aug., 94. Superphon C.D. Maxx Preamplifier, Dec., 116. Tandberg 3080A FM Receiver, July, 74. TEAC V-970X Cassette Deck, Jan., 126. Terk 9600 Pi FM Antenna, Feb., 106. Test CDs: Auditory Demonstrations, from the Acoustical Society of America, and Anechoic Orchestral Music Recording, from Denon ("Auricle"), July, 98. Theta DS Pre Preamplifier ("Auricle"), Sept., 132. VMPS Super Tower/R and Tower II Loudspeakers ("Auricle"), June, 118. VPI TNT Turntable ("Auricle"), Dec., 124. Yamaha CX-10000 Preamplifier ("Auricle"), Jan., 138.

AUDIO/DECEMBER 1989

FM Reception Spectrum: FMX Haze, Leonard Feldman, May, 32. Build an Indoor FM Antenna, Richard J. Kaufman, July, 52.

Songs, and Stars), Donald Spoto, Aug., 60. Centennial Celebration: Heinrich R. Hertz, Almon H. Clegg, Oct., 68. The Blue Max Affair, Robin Lanier, Nov., 68. The Aachen Head System: Binaural Recording for Headphones and Speakers, Dr.-lng. Klaus Genuit and Wade R. Bray, Dec., 58.

Forum Whither the Stereo LP?, John Eargle, Aug., 54. DAT Deal's Done, Leonard Feldman, Oct., 118. Burst of Creativity (Amp Test Standards), Edward J. Foster, Nov., 60.

International Audio DATs the Way It Is, Christopher Greenleaf, Jan., 70. Design Digest: The Quad Manchester Competitions, David Lander, April, 64. Audio in China: Hi-Fi Takes a Great Leap Forward, Robert Angus, April, 70.

Headphones The Blue Max Affair, Robin Lanier, Nov., 68. Binaural Overview: Ears Where the Mikes Are, John Sunier, Part I, Nov., 74; Part II, Dec., 48.

Interviews Raymond Kurzweil, David Lander, Jan., 62. Bruce Lundvall, Ted Fox, June, 68. Emory Cook, David Lander, Sept., 50.

Yamaha CDX-2020 Compact Disc Player, Dec., 102. YBA Dual Mono Amplifier, Jan., 108.

The Aachen Head System: Binaural Recording for Headphones and Speakers, Dr.-lng. Klaus Genuit and Wade R. Bray, Dec., 58. Hearing Earning a Deaf Ear: Loud Music and Hearing Loss, Leigh Silverman, Jan., 76. Book Review: The Wood Effect by R. C. Johnsen, Aug., 14. Book Review: Loudspeaker and Headphone Handbook edited by John Berwick, Aug., 16. The Blue Max Affair, Robin Lanier, Nov., 68. Binaural Overview: Ears Where the Mikes Are, John Sunier, Part I, Nov., 74; Part II, Dec., 48. The Aachen Head System: Binaural Recording for Headphones and Speakers, Dr.-lng. Klaus Genuit and Wade R. Bray, Dec., 58. History of Audio Enduring Instruments: Treasures from the Yale Collection, David Lander, Feb., 52. Electrostatic Speakers: Theory and Practice, Ronald Wagner, Part I, March, 46; Part II, April, 56. Audio in China: Hi-Fi Takes a Great Leap Forward, Robert Angus, April, 70. Dept. of Amplification: Engineering Report (Chicago Symphony/Fritz Reiner Recordings), Willis Connor, Aug., 38. Whither the Stereo LP?, John Eargle, Aug., 54. Nights the Stars Came Out (Smithsonian Collection of American Theater: Shows,

Loudspeakers Measuring Acoustic Phase, Don Davis, Feb., 60 (Dept. of Amplification, Dec., 14). Electrostatic Speakers: Theory and Practice, Ronald Wagner, Part I, March, 46; Part II, April, 56. Design Digest: The Quad Manchester Competitions, David Lander, April, 64. Cables and the Amp/Speaker Interface, R. A. Greiner, Aug., 46 (Addendum, Nov., 4). THX Sound System: Certified Hi-Fi for the Movies, Tomlinson Holman, Sept., 62. Testing at Canada's National Research Council, D. B. Keele, Jr., Sept., 75. The Oil-Can Effect, D. B. Keele, Jr., Sept., 90. The Aachen Head System: Binaural Recording for Headphones and Speakers, Dr.-lng. Klaus Genuit and Wade R. Bray, Dec., 58. Measurement Techniques Measuring Acoustic Phase, Don Davis, Feb., 60 (Dept. of Amplification, Dec., 14). How Hot Are CDs?, Howard A. Roberson, July, 42. Distortion Tests & Analog Recording, Howard A. Roberson, July, 47. Cables and the Amp/Speaker Interface, R. A. Greiner, Aug., 46 (Addendum, Nov., 4). Dolby Spectral Recording, John Eargle, Aug., 57. Testing at Canada's National Research Council, D. B. Keele, Jr., Sept., 75.

179

The Oil-Can Effect, D. B. Keele, Jr., Sept., 90. Forum: Burst of Creativity (Amp Test Standards), Edward J. Foster, Nov., 60. Microphones The Blue Max Affair, Robin Lanier, Nov., 68. Binaural Overview: Ears Where the Mikes Are, John Sunier, Part I, Nov., 74; Part II, Dec., 48. The Aachen Head System: Binaural Recording for Headphones and Speakers, Dr.-lng. Klaus Genuit and Wade R. Bray, Dec., 58.

Putting the Byte on Noise: NoNoise from Sonic Solutions, Michael Wright, March, 54. Too Many Signal Sources (Using a Tape Switchbox), Herman Burstein, June, 62. Distortion Tests & Analog Recording, Howard A. Roberson, July, 47. Dept. of Amplification: Engineering Report (Chicago Symphony/Fritz Reiner Recordings), Willis Connor, Aug., 38. Dolby Spectral Recording, John Eargle, Aug., 57.

Forum: DAT Deal's Done, Leonard Feldman, Oct., 118. Restoring Old Masters, Daniel Sweeney, Oct., 148. The Blue Max Affair, Robin Lanier, Nov., 68. Binaural Overview: Ears Where the Mikes Are, John Sunier, Part I, Nov., 74; Part II, Dec., 48. The Aachen Head System: Binaural Recording for Headphones and Speakers, Dr.-lng. Klaus Genuit and Wade R. Bray, Dec., 58.

Noise Reduction Putting the Byte on Noise: NoNoise from Sonic Solutions, Michael Wright, March, 54. Dolby Spectral Recording, John Eargle, Aug., 57. THX Sound System: Certified Hi-Fi for the Movies, Tomlinson Holman, Sept., 62. Restoring Old Masters, Daniel Sweeney, Oct., 148. Obituaries Roy Orbison, Feb., 122. Irv Demsky, May, 6. Gordon J. Gow, Oct., 39. Psychoacoustics Earning a Deaf Ear: Loud Music and Hearing Loss, Leigh Silverman, Jan., 76. Cables and the Amp/Speaker Interface, R. A. Greiner, Aug., 46 (Addendum, Nov., 4). The Blue Max Affair, Robin Lanier, Nov., 68. Binaural Overview: Ears Where the Mikes Are, John Sunier, Part I, Nov., 74; Part II, Dec., 48. The Aachen Head System: Binaural Recording for Headphones and Speakers, Dr.-lng. Klaus Genuit and Wade R. Bray, Dec., 58. Reissues of Classic Recordings Nights the Stars Came Out (Smithsonian Collection of American Theater: Shows, Songs, and Stars), Donald Spoto, Aug., 60. Thelonious Monk: Sphere of Influence, John Sunier, Oct., 152. Bird in Full Flight: A Charlie Parker Compilation, Jon W. Poses, Nov., 86. Surround Sound THX Sound System; Certified Hi-Fi for the Movies, Tomlinson Holman, Sept., 62. Tape & Tape Recording DATs the Way It Is, Christopher Greenleaf, Jan., 70. How's DAT Doing Here?, Ivan Berger, Jan., 72.

180

AUDIO/DECEMBER 1989

Digital Sound & Equipment Sound from Space: Digital Broadcasts, Digital Components, Robert Angus, Feb., 51. Exclusive U.S. Test: Thomson CD Recorder, Leonard Feldman, March, 38. Recordable CDs—Write Now, Robert Angus, July, 32. QED: DSP ("Roadsigns"), Ivan Berger, Aug., 24. Digital Signal Processing for the Hearing Impaired: Parallel Universes. Dan Sweeney, Sept., 38.

Addenda THX Sound System: Certified Hi-Fi for the Movies (Sept. 1989, 62), Tomlinson Holman, July, 4. Statistics in A/B Testing: By the Numbers (Feb. 1990, 42), Herman Burstein, Sept., 4. Book Reviews The Art of Digital Audio by John Watkinson, Jan., 24. The New Trouser Press Record Guide, Revised Edition edited by Ira A. Robbins, Jan., 28. Tonmeister Technology: Recording Environments, Sound Sources and Microphone Techniques by Michael Dickreiter (translated by Stephen Temmer), June, 14. The Encyclopedia of Pop, Rock and Soul (Revised Edition) by Irwin Stambler, June, 17. Handbook for Sound Engineers edited by Glen Ballou, Nov., 20.

AUDIO/DECEMBER 1990

Audio Engineering Handbook edited by K. Blair Benson, Nov., 20. Sound Recording Handbook by John M. Woram, Dec., 20. Car Stereo Cool Cars, Hot Sound. Ivan Berger, May, 36. 16th Annual Car Stereo Directory, May, 89. QED: DSP ("Roadsigns"), Ivan Berger. Aug., 24. Construction Projects Certified Bass lor the Certifiable, James S. Sherwin, Jan., 62. Build the Bassis: A Circuit To Correct and Extend Loudspeaker Bass Response, Ralph E. Gonzalez, April, 36. Build an Auxiliary Switchbox, Richard J. Kaufman, Aug., 34. Good Walls Make Good Neighbors, Peter Jurew, Dec., 72. Digital Broadcasting Sound from Space: Digital Broadcasts, Digital Components, Robert Angus, Feb., 51.

Directories Car Stereo Directory, May. Introduction, 89; DAT Players, 89; Amps/ Equalizers, 90; CD Players, 106; Radio/ Tape Players, 110; Speakers, 126; Company Addresses, 164. Annual Equipment Directory, Oct. Special Section Tabs, 149, CD Players & D/A Converters, 154; DAT Recorders, 170; Amplifiers, 175; Preamplifiers, 205; Tuners, 223; Receivers, 229; Turntables, 239; Tonearms, 244; Phono Cartridges, 246, Open-Reel Tape Decks, 253; Cassette Decks, 256; Blank Tape, 264; Microphones, 268; Headphones, 289; Equalizers, 297; Ambience & Surround Sound Processors, 300; Signal Processors, 305; Crossovers, 306; Hi-Fi VCRs, 312; Loudspeakers, 317; Company Addresses, 440. Environmental Sound Muffling the Neighbors: Ten Tips To Reduce Noise, F. Alton Everest, Nov., 68. Good Walls Make Good Neighbors. Peter Jurew, Dec., 72.

169

Equipment Profiles/Auricles Adcom GFP-565 Preamplifier ("Auricle"), Oct., 138. Adcom GFA-565 Mono Amplifier ("Auricle"), Oct., 139. BASF Ferro Extra I, Ferro Super I, Ferro Maxima I, Chrome Extra II, Chrome Maxima II, and Metal Maxima IV Cassettes, March, 44. BBE Sound 1002 Sonic Maximizer ("Auricle"), Feb., 90. Boulder 500AE Amplifier and Ultimate Preamplifier, Feb., 54. Bruel & Kjaer 4011 Studio Microphone, Jan., 114. B & W 801 Matrix Series 2 Loudspeaker, Nov., 92. Carver CT-17 Tuner/Preamplifier, Dec., 78. Certron HD and UX Cassettes, March, 44. Chrome Master LX-II Cassette (from Master Hi-Tech Video), March, 44. Classe Audio DR-5 Preamplifier ("Auricle"), Jan., 126. Counterpoint SA-220 Power Amplifier, July, 48. Dahlquist M907i Loudspeaker, Aug., 88. DAK MLX and MLX2 Cassettes, March, 44. Denon DX1, DX4, HD6, HD7, HD8, and HDM Cassettes, March, 44. Denon DCC-8970 Car Tuner and CD Player, Nov., 114. Dolan PM1 Preamplifier, Jan., 82. Dynaudio Special One Loudspeaker, Dec., 90. Fisher RS-Z1 Receiver, Aug., 60. Fuji DR-I, DR-II, FR-llx, FR-llx PRO, and FR Metal Cassettes, March, 44. Goldmund ST4 Turntable and Gold Cartridge, Aug., 40. Goldstar HP, HR, CRX, and MT Cassettes, March, 44. Greencorp XDS, Music+, and CR Cassettes, March, 44. Hafler Iris FM Tuner, Feb., 84. Heath AJ-2520 Tuner, March, 76. JVC GI, AFII, and AFIV Cassettes, March, 44. Laser XL Plus Cassette (from Swire Magnetics), March, 44. Lazarus H-1A Amplifier. Sept., 88.

170

Lirpa Labs VCDRS Compact Disc Player, ("Auricle"), April, 96. Marantz CD3577 Compact Disc Player, Dec., 108. Maxell Frill, UR-F, UDI, XLI-S, Capsule II, UDX-II, UDII, XLII, XLII-S, and MX Cassettes, March, 44. McIntosh MC 7200 Power Amplifier. Jan., 72. Memorex dBS, MRX I, HBS II, and CDX II Cassettes, March, 44. Memorex Compact Disc Repair and Maintenance Kit ("Auricle"), Nov., 130. Mitsubishi M-AV1 Audio/Video Receiver, Feb., 72. Nakamichi EXII, SX, SXII, and ZX Cassettes, March, 44. Nakamichi Car Components: TD-560 Tuner/ Cassette Player, CDC-101 CD Changer, DAC-101 D/A Converter, and CA-101 Control Amplifier, May, 42. NHT Model II Loudspeaker, July, 60. Onkyo Integra T-4700 Tuner, June, 104. Philips LHH1000 Compact Disc Player, Jan., 94. Pioneer TZ-9 Loudspeaker, June, 90. Precise Monitor 10 Loudspeaker, Sept., 98. Proton CR-560 Car Stereo, April, 84. Realistic Supertape LN, Supertape XR, Supertape HD, Supertape MII, and Supertape MIV Cassettes (from Radio Shack), March, 44. Reference Recordings Test Videodisc: A Video Standard ("Auricle"), March, 88. Revox B226-S Compact Disc Player, March, 66. Rockford Fosgate RF200 Preamplifier, June, 78. Rockford Fosgate RF2000 Power Amplifier, June, 79. Jeff Rowland Design Group Coherence One Series II Preamplifier and Model 7 Mono Amplifier, April, 48. Sansui AU-X911DG Digital/Analog Amplifier, April, 76. Shure SM89 Shotgun Condenser Microphone, Dec., 124. Signet OC9 Cartridge and SME 309 Tonearm (with SOTA Cosmos Turntable), Sept., 59. SKC GX, AX, QX, CD, and ZX Cassettes, March, 44.

SME 309 Tonearm and Signet OC9 Cartridge (with SOTA Cosmos Turntable), Sept., 59. Sony HF, HF-S, UX, UX-S, UX-ES, UX-Pro, Metal-SR, Metal-ES, and Metal Master Cassettes, March, 44. Sony CDP-X77ES Compact Disc Player, June, 70. Sony DTC-75ES Digital Audio Tape Recorder, Nov., 84. SOTA Cosmos Turntable (with SME 309 Tonearm and Signet OC9 Cartridge), Sept., 58. TDK D, AD, AR, AR-X, SD, SA, SA-X, MA, MA-X, and MA-XG Cassettes, March, 44. Terk Technologies Pi2 FM Antenna ("Auricle"), Nov., 126. That's CD, CD-II, CD-MH, and CD-IV Cassettes, March, 44. Thomson DR 1000 CD Recorder, March, 38. Tree Dimensions CD550 CD Cabinet ("Auricle"), Oct., 132. Vector Research VRX-5200R Receiver, Jan., 104. Vendetta Research SCP-2B Pre-Preamplifier, Dec., 116. Visa High Performance I, Superferro UFX I, Chromdioxid CX II, and Superchrom UCX II-S Cassettes (from Interworld Electronics), March, 44. VTL Compact 100 Mono Amplifier and Deluxe Preamplifier, Aug., 74. Forum The Lowdown on HDTV, James C. Davies, March, 30. Value-Added Ownership, Mel Lambert, July, 22. An Open Letter to Analog Cassette Hardware Manufacturers, Edwin Outwater; Response to "An Open Letter...," Marty Zanfino; Nov., 54. Hearing Digital Signal Processing for the Hearing Impaired: Parallel Universes, Dan Sweeney, Sept., 38. History The Audio Interview: Laurie Fincham, David Lander, Jan., 54. The Audio Interview: Doc Pomus, Danny McCue, Feb., 36. The Audio Interview: Moses Asch, Gary Kenton, July, 38. Engineering the Boston Symphony Orchestra, John Alvin Pierce, Aug., 36. Digital Signal Processing for the Hearing Impaired: Parallel Universes, Dan Sweeney, Sept., 38. The Audio Interview: Avery Fisher, David Lander. Sept., 48. The Audio Interview: Orrin Keepnews, Jon W. Poses, Dec., 60.

AUDIO/DECEMBER 1990

Historical Notes on Shotgun Mikes, Jon R. Sank, Dec., 130. Interviews Laurie Fincham, David Lander, Jan., 54 (KEF Electronics). Doc Pomus. Danny McCue, Feb., 36. Tom Kraus and Larry Schnapf. Susan Elliott. April, 30 (BMG Studios). Steven Epstein. Susan Elliott, June, 60. Moses Asch, Gary Kenton, July, 38 (Folkways Records). Avery Fisher, David Lander, Sept., 48. Orrin Keepnews, Jon W. Poses, Dec., 60.

Herman Burstein. Feb., 42 (Addendum. Introducing Dolby S-Type Noise Reduction, Kenneth Gundry and Joseph Hull, June, Sept., 4). 50. A First Test: Dolby S-Type, Howard A. RoReissued Recordings berson, June, 58. Reclimbing Everest (Philips CDs of Everest Forum: Value-Added Ownership, Mel Lamrecordings), John Eargle, Jan., 132. bert, July, 22. Haute Cuisine: Belshazzaar's Feast, John Forum: An Open Letter to Analog Cassette Eargle, Aug., 26. Hardware Manufacturers, Edwin OutThe Mosaic Reissues: Standards of Excelwater; Response to "An Open Letter...," lence, Frank Driggs. Nov., 80. Marty Zanfino; Nov., 54. Archival Revival: Problems and Solutions in Tape & Tape Recording Long-Term Tape Performance, Michael Greatest Cassette Test Ever: 88 Tapes TestN. Stosich, Nov., 60. ed, Howard A. Roberson, March, 44.

Juilliard School of Music Audio Magazine-Juilliard Scholarship Award, Susan Elliott, Jan., 33. Loudspeakers The Audio Interview: Laurie Fincham (of KEF), David Lander, Jan., 54. Certified Bass for the Certifiable, James S. Sherwin, Jan., 62. Build the Bassis: A Circuit To Correct and Extend Loudspeaker Bass Response, Ralph E. Gonzalez, April, 36. Measurement Techniques Statistics in A/B Testing: By the Numbers, Herman Burstein, Feb., 42 (Addendum, Sept., 4). Greatest Cassette Test Ever: 88 Tapes Tested, Howard A. Roberson, March, 44. Microphones Historical Notes on Shotgun Mikes, Jon R. Sank, Dec., 130. Noise Reduction Introducing Dolby S-Type Noise Reduction. Kenneth Gundry and Joseph Hull, June, 50. A First Test: Dolby S-Type, Howard A. Roberson. June, 58. Obituary Deane E. Jensen, Feb., 25. Professional Recording The Audio Interview: Doc Pomus, Danny McCue, Feb., 36. Fast Forward at BMG. Susan Elliott, April, 30. The Audio Interview: Steven Epstein, Susan Elliott, June, 60. Forum: Value-Added Ownership, Mel Lambert, July, 22. The Audio Interview: Moses Asch. Gary Kenton, July, 38. Engineering the Boston Symphony Orchestra, John Alvin Pierce, Aug., 36. The Audio Interview: Orrin Keepnews. Jon W. Poses, Dec., 60. Psychoacoustics Statistics in A/B Testing: By the Numbers,

AUDIO/DECEMBER 1990

171

Music of the Bitstream, Prasanna Shah, Jan., 56 (Addendum, July, 4). Digital Duel: Three Portable CD Players Tested (Denon DCP-100, NEC HES-CDR01 TurboGrafx, and Sony D-555 Discman), Leonard Feldman, Feb., 32.

The Motown Album, history by Ben FongTorres, essay by Elvis Mitchell, and discography by Dave Marsh, Jan., 22. Music, Sound, & Technology by John M. Eargle, April, 12. Hit Men by Fredric Dannen, April, 16. Grateful Dead Family Album by Jerilyn Lee Brandelius (edited by Alan Trist), April, 16. I Am the Blues: The Willie Dixon Story by Willie Dixon with Don Snowden, April, 21.

Cables Impedance, Cables & Treble Loss, Herman Burstein, Nov., 42. Car Stereo Land of Thump and Glory (IASCA Finals and Expo; "Roadsigns"), Ivan Berger, Feb., 18. Competition Grows in Tents (IASCA Finals Addenda and Expo; "Roadsigns"), Ivan Berger, Digital Signal Processing for the Hearing March, 31. Impaired: Parallel Universes (Sept. 1990, 38), Dan Sweeney, March, 4 and May, 8. From Here to Infiniti (Infiniti/Bose system; "Roadsigns"), Ivan Berger, April, 38. Music of the Bitstream (Jan. 1991, 56), PraRolls-Royce: Sound in a Silver Cloud, Ivan sanna Shah, July, 4. Berger, May, 10. 17th Annual Car Stereo Directory, May, 49. Airborne Audio Airborne Audio: Hi-Fi in the Sky, Rich War- Auto Inquiries (AES conference; "Roadsigns"), David Clark, June, 28. ren, Aug., 42. Book Reviews The Master Handbook of Acoustics, Second Edition by F. Alton Everest, Jan., 20. Electrostatic Loudspeaker Design and Construction by Ronald Wagner, Jan., 20.

Construction Projects Build a Simple Surround Decoder, Richard J. Kaufman, June, 48. Digital Sound & Equipment DCC Currents Jan., 26.

168

("Spectrum"),

Ivan Berger,

Playing CD Games (NEC TurboGrafx-16 system), Leonard Feldman, Feb., 36. New Life in Cassettes: Digital Duplications, John Eargle, July, 38. Mighty Mini (Sony Mini Disc; "Spectrum"), Leonard Feldman, Aug., 26. A Levy Is a Toll Is a Tax (royalty on digital audio recorders and media; "Spectrum"), Eugene Pitts, Sept., 4. Have DAT . . . Will Travel: To the Islands of Japan, Christopher Greenleaf, Sept., 26. Have DAT . . . Will Travel: To the Galapagos Islands, John M. Woram, Sept., 27. Noteworthy: Philips' Digital Compact Cassette and PASC Data Compression, David Ranada, Sept., 32.

Directories Car Stereo Directory, May. Introduction, 49; DAT Players, 49; Amps/ Equalizers, 50; In-Dash CD Players, 78; CD Changers, 84; Radios/Tape Players, 86; Speakers, 96; Company Addresses, 135. Annual Equipment Directory, October. Introduction, 115; DAT Recorders, 118; CD Players & D/A Converters, 120; Amplifiers, 138; Preamplifiers, 165; Tuners, 179; Receivers, 185; Turntables, 192; Tonearms, 195; Phono Cartridges, 199; Cassette Decks, 209; Open-Reel Tape Decks, 216; Blank Tape, 216; Headphones, 223; Equalizers, 231; Ambience & Surround Sound Processors, 235; Signal Processors, 239; Crossovers, 241; Loudspeakers, 244; Company Addresses, 370.

Environmental Sound Forum: Constructive Commentary (response to two 1990 Audio articles on controlling indoor noise), Jon R. Sank, Dec., 16.

AUDIO/DECEMBER 1991

Equipment Profiles Air Tight ATM-1 Power Amplifier, June, 98. Alpine 7909 Car Tuner/CD Player, Jan., 98. Altec Lansing 511 Loudspeaker, April, 82. AudioSource SS Three Surround Processor, Dec., 114. David Berning EA-2101 Amplifier and TF-12 Preamplifier, Dec., 56. Blaupunkt New York Car Tuner/CD Player,

July, 56. Boston Acoustics T1030 Loudspeaker, Jan., 78. Cambridge SoundWorks Model Eleven Transportable Component System ("Auri-

cle"), June, 108. Carver Silver Seven Mono Amplifier, Feb., 42. Cary Audio CAD-50 and CAD-50SL Mono Amplifiers, July, 68. Delco/Bose Gold Series Car Audio System, Sept., 70. Denon DCP-100 Portable CD Player, Feb., 32. Esoteric P-2 CD Transport and D-2 D/A Converter, Sept., 42. Forte Audio Model 4 Power Amplifier ("Auricle"), Nov., 84. Harman Kardon TD4800 Cassette Deck, Feb., 78. Jecklin Float ESC Earphones ("Auricle"), Dec., 124. JVC AX-V1050 Audio/Video Amplifier, Aug., 50. KEF 105/3 Loudspeaker, June, 66. Krell MD-1 CD Transport and SBP-64X Digital Signal Processor ("Auricle"), June, 114. Lexicon CP-2 Digital Surround Processor, March, 48. Luxman F-114 Surround Sound Processor/ Amplifier, Nov., 60. Martin-Logan Monolith IIIx Loudspeaker, Sept., 50. MAS DCC-1 Digital Control Center (from Music and Sound), Nov., 70. Meridian D600B Loudspeaker, March, 62. Meridian 208 Compact Disc Player/Pream-

NEC HES-CDR-01 TurboGrafx Portable CD Player, Feb., 32. Pioneer Premier KEX-M900 Car Stereo with DSP, Dec., 98. Proceed PCD Compact Disc Player and PDP D/A Converter ("Auricle"), April, 102. Proton SD-1000 Surround Decoder, April, 70. PSB Stratus Gold Loudspeaker, Nov., 46. Recoton FM200 Indoor FM Antenna ("Auri-

cle"), Dec., 128. Sony TCD-D3 DAT Walkman Recorder, Jan., 66. Sony D-555 Discman Portable CD Player, Feb., 32. Sony TA-E1000ESD Digital Processing Preamplifier, June, 86. Spica Angelus Loudspeaker ("Auricle"), Sept., 84. SSI System 4000 II Dolby Surround Decoder, March, 78. Stax Kogyo SR-Lambda Pro Earspeakers ("Auricle"), April, 94. Thiel CS5 Loudspeaker, Feb., 56. Threshold SA/4e Power Amplifier ("Auricle"), Jan., 110. Westlake Audio BBSM-6F Loudspeaker, Dec., 78. Wharfedale

Diamond

IV

Loudspeaker,

Aug., 60. Yamaha DSP-A1000 Digital Sound-Field Processing Amplifier, June, 52.

FM Reception/Antennas Plain Wire/Fancy Reception, Richard J. Kaufman, Jan., 46. Forum High Fidelity and Hearing Aids, Mead C. Killion, Jan., 42. Constructive Commentary (response to two 1990 Audio articles on controlling indoor noise), Jon R. Sank, Dec., 16. Headphones Headphones: As Close As You Can Get, Edward M. Long, April, 50.

plifier, April, 58. Mission Cyrus One Integrated Amplifier,

Hearing

Aug., 70. Monitor Audio Studio 10 Speaker, July, 44.

Forum: High Fidelity and Hearing Aids, Mead C. Killion, Jan., 42.

History The Audio Interview: Bill Levenson, Danny McCue, Jan., 50. The Audio Interview: Robert Parker, John Sunier, Feb., 24. The Phonograph's Forgotten Heroes, John Alvin Pierce, March, 42. The Audio Interview: Tom Frost, Susan Elliott, April, 42. Carnegie Hall Centennial, Susan Elliott, May, 16. Sonic Restoration of Historical Recordings, Michael R. Lane, Part 1, June, 34; Part 2,

July, 26. The Audio Interview: Michael Cuscuna, Jon W. Poses, Aug., 32. Interviews Bill Levenson, Danny McCue, Jan., 50 (Polygram Records). Robert Parker, John Sunier, Feb., 24 (BBC Records). Tom Frost, Susan Elliott, April, 42 (Sony Classical and others). Michael Cuscuna, Jon W. Poses, Aug., 32 (Blue Note and Mosaic Records). Kurt Masur, Robert Angus, Dec., 44 (music director, New York Philharmonic). Juilliard School of Music Audio Magazine-Juilliard Scholarship Award, Susan Elliott, Jan., 118. Loudspeakers Tractrix Horns: Improved Imaging and Phasing, Roy Delgado, Kerry Geist, and Jim Hunter, March, 36. Sound for Cinema: Acoustic Wave Cannon from Bose, William R. Short, Nov., 31. Measurement Techniques Headphones: As Close As You Can Get, Edward M. Long, April, 50. What Ever Became of Frequency Response?, Robert Long, June, 46. Impedance, Cables & Treble Loss, Herman Burstein, Nov., 42. Obituaries Aaron Copland, Feb., 9. Howard A. Roberson, May, 4. Norman H. Crowhurst, Nov., 9.

169

18th Annual Car Stereo Directory, May, 51. Roadsigns (Philips DC777 car stereo with short wave), Ivan Berger, Dec., 40. Construction Projects Auricle: SoundAid Modification Kit for Realistic Minimus 7 Loudspeaker, July, 76. With a Little Help from My Friends (improving speaker imaging with foam and felt), Richard J. Kaufman, Sept., 42.

Addenda Tuning In to Yesterday: Vintage Sets from the Golden Age of Broadcasting (Jan. 1992, 48), June, 4. Equipment Profile: First Sound Reference II Passive Preamplifier (Jan. 1992, 98), June, 4. Currents (data reduction, March 1992, 24), Aug., 4. AM Reception Forum: Aim High on AM, Ted Alexander, Nov., 22. Anniversary of Audio Magazine Behind the Scenes, Bert Whyte, May, 8. Currents, John Eargle, May, 16. Audio ETC, Edward Tatnall Canby, May, 19. 45 Years of Audio Magazine, Sept., 49. Book Reviews New Ears: A Guide to Education in Audio and the Recording Sciences, compiled and edited by Mark Drews, Jan., 110.

176

Auditory Scene Analysis: The Perceptual Organization of Sound by Albert S. Bregman, Jan., 110. The Physics of Musical Instruments by Neville H. Fletcher and Thomas D. Rossing, Jan., 112. Full Frequency Stereophonic Sound by Robert Moon and Michael Gray, May, 31. Enhanced Sound: 22 Electronics Projects for the Audiophile by Richard J. Kaufman, July, 12. The Down Home Guide to the Blues by Frank Scott and the staff of Down Home Music, July, 12. Hearing: An Introduction to Psychological and Physiological Acoustics, Second Edition by Stanley A. Gelfand, July, 14. The Roots of the Blues: An African Search by Samuel Charters, July, 15. Acoustical Engineering by Harry F. Olson, Aug., 22. The New Stereo Soundbook by F. Alton Everest and Ron Streicher, Nov., 14. Bullock on Boxes by Robert M. Bullock III, assisted by Robert White, Nov., 14. DAT: The Complete Guide to Digital Audio Tape by Delton T. Horn, Nov., 19. Digital Radio Basics by Skip Pizzi, Dec., 134. RDAT by John Watkinson, Dec., 134. Coding for Digital Recording by John Watkinson, Dec., 134. Cables & Wires Forum (mutual inductance versus self-inductance), R. A. Greiner, Jan., 28. Car Stereo Ford Explorer: Slick but Super Simple (installation), Ivan Berger, May, 32. Winter CES: Sweet Sounds, Ivan Berger, May, 34.

Digital Compact Cassette (DCC) The ABCs of DCC: Measurements & Mechanics, Leonard Feldman, Jan., 42. A/B/Xing DCC, David L. Clark, April, 32. Digital Technology Currents (jitter and dither), John Eargle, Jan., 24. The ABCs of DCC: Measurements & Mechanics, Leonard Feldman, Jan., 42. Forum (SPARS code), Tom Jung, Feb., 21. CO Packaging: A Boxing Free-for-All, Joe Wiesenfelder, Feb., 28. Multi-Bit and One-Bit D/A Conversion, Leonard Feldman, Feb., 78. Currents (data reduction), John Eargle, March, 24 (Addendum, Aug., 4). CEDAR Noise Reduction: Getting the Grain Out, Beth C. Fishkind, March, 34. A/B/Xing DCC, David L. Clark, April, 32. Recordable CD: Promises & Problems, Michael B. Martin, Part I, June, 28; Part II, July, 36. The Audio Interview: Heitaro Nakajima, David Ranada, July, 32. The Audio Interview: Jack Pfeiffer, Susan Elliott, Nov., 44. Currents (Kodak's Photo CD system), John Eargle, Dec., 38. The Mechanics of Sony's MiniDisc: Beyond the Caddy, Leonard Feldman, Dec., 56. Directories Car Stereo Directory, May. CD Changers, 51; In-Dash CD Players, 54; DAT Players, 58; Amps/Equalizers, 60; Radios/Tape Players, 78; Speakers, 86; Company Addresses, 137. Annual Equipment Directory, Oct. Introduction, 119; CD Players & D/A Converters, 122; Amplifiers, 142; Preamplifiers, 170; Tuners, 186; Receivers, 190; Turntables, 196; Tonearms, 198; Phono Cartridges, 200; Headphones, 204; Digital Recorders, 208; Analog Cassette

AUDIO/DECEMBER 1992

Decks, 210; Blank Cassettes, 214; Equalizers, 216; Ambience & Surround Sound Processors, 218; Signal Processors, 220; Crossovers, 222; Loudspeakers, 226; Company Addresses, 354. Equipment Profiles Acurus L10 Line Preamplifier, Sept., 66. AKG K280 Earphones ("Auricle"), Jan., 106. AKG K340 Earphones ("Auricle"), Nov., 106. Altec Lansing PSW10 Subwoofer (Thunder in the Listening Room: Subwoofer Shootout), Nov., 34. AR M1 Loudspeaker, Jan., 68. Arcam Delta 110 Digital Preamplifier, June, 52. Audix SCX-One Studio Microphone System, Dec., 108. Beyerdynamic DT990 Pro Earphones ("Auricle"), April, 74. B & K Components PRO-10MC Preamplifier, April, 56. Bright Star Altair Loudspeaker, July, 60. Bryston 4B NRB Amplifier, Aug., 42. Canton Ergo 100 Loudspeaker, March, 62. conrad-johnson Premier Seven-A Preamplifier and Evolution 2000 Amplifier, June, 88. Crown Macro Reference Amplifier, June, 38. Denon AVR-3000 A/V Receiver (Roundup), Dec., 46. Dymek DR333 General Coverage Receiver, Sept., 84. Dynaco QD-1 Series II Surround Sound Processor ("Auricle"), Sept., 96. Dynaco Stereo 70 Series II Tube Amplifier, Nov., 64. First Sound Reference II Passive Preamplifier, Jan., 98 (Addendum, June, 4). Ford JBL Car Audio System, Aug., 48. Grado Labs SR200 & Joseph Grado Signature HP-2 Earphones and HP-1ADC Earphone Amplifier ("Auricle"), Nov., 88. Harman Kardon HD7600II CD Player, Feb., 76. Hsu Research HRSW 10 Subwoofer (Thunder in the Listening Room: Subwoofer Shootout), Nov., 34. Hughes AK-100 Sound Retrieval System Decoder, April, 48. Infinity SSW-210 Subwoofer (Thunder in the Listening Room: Subwoofer Shootout), Nov., 34.

AUDIO/DECEMBER 1992

JBL L7 Loudspeaker, Dec., 114. JVC RX-1050VTN A/V Receiver (Roundup), Dec., 46. Kenwood KR-V9030 A/V Receiver (Roundup), Dec., 46. Koss ESP/950 Earphones ("Auricle"), Nov., 96. Maplenoll Signature Ariadne Turntable and Tonearm, July, 50. Marantz CDR-1 Professional CD Recorder, March, 42. McIntosh MC2600 Amplifier, Feb., 44. Mobile Fidelity Sound Lab UltrAmp Preamplifier and Amplifier ("Auricle"), Dec., 130. Naim Audio NAP 135 Mono Amplifier and NAC 72 Preamplifier, March, 74. N a k a m i c h i 1000mb CD Transport and 1000p Digital Processor, Jan., 56. Nobis Cantabile Amplifier, Dec., 72. Onkyo Integra TA-207 Cassette Deck, Sept., 72. Onkyo TX-SV909PRO A/V Receiver (Roundup), Dec., 46. Oracle Premiere MK IV Turntable and Oracle SME 345 Tonearm, A p r i l , 64. Panasonic CQ-ID60 Car Stereo with ID Logic, May, 40. Philips LHH500 CD Player, April, 42. Philips DC777 Car Stereo with Short Wave, ("Roadsigns"), Dec., 40. Pioneer VSX-D901S A/V Receiver (Roundup), Dec., 46. Pioneer Elite PD-65 CD Player ("Auricle"), Dec., 126. Proton AT-670 Tuner, March, 50. PS Audio Digital Link II D/A Converter, July, 70. Quart 490MCS Loudspeaker, Feb., 62. Sansui RZ-9500AV A/V Receiver (Roundup), Dec., 46. Sennheiser HD-540 Reference II Earphones ("Auricle"), June, 104. S i t t i n g Duck L i s t e n i n g Room SpeakerPlacement Program ("Auricle"), Nov., 102. Snell Type B Loudspeaker, Sept., 88. Sony ES STR-GX99ES A/V Receiver (Roundup), Dec., 46. SoundAid Modification Kit for Realistic Minimus 7 Loudspeaker ("Auricle"), July, 76. Tannoy 615 Loudspeaker, Aug., 58. TEAC Esoteric X-1 CD Player, Nov., 60. Technics SA-GX910 A/V Receiver, July, 42. Theta DSPro Prime D/A Converter ("Auricle"), Aug., 70.

Thiel CS2.2 Loudspeaker ("Auricle"), Aug., 68. Vacuum Tube Logic (VTL) Straight-Line D/A Converter, Nov., 76. van den Hul MM-1 Moving-Magnet Phono Cartridge and Well Tempered Record Player, Jan., 84. Vandersteen 2Ci Loudspeaker, June, 71. Velodyne F-1500 Subwoofer (Thunder in the Listening Room: Subwoofer Shootout), Nov., 34. Vimak DS-2000 D/A Converter and Preamplifier, Nov., 54. Well Tempered Record Player and van den Hul MM-1 Phono Cartridge, Jan., 84. Win Research SM-10 Loudspeaker ("Auricle"), July, 80. Yamaha CDC-835 CD Changer, Dec., 103. Forum Wires and cables, R. A Greiner, Jan , 28. SPARS code, Tom Jung, Feb., 21. AIM High on AM, Ted Alexander, Nov., 22. History Tuning In to Yesterday: Vintage Sets from the Golden Age of Broadcasting (Atwater Kent Museum show), Jon R. Sank, Jan., 48 (Addendum, June, 4). The Audio Interview: Henry Kloss, David Lander, Feb., 34. Behind the Scenes (Audio's 45th anniversary), Bert Whyte, May, 8. Currents (Audio's 45th anniversary), John Eargle, May, 16. Audio ETC (Audio's 45th anniversary), Edward Tatnall Canby, May, 19. The Audio Interview: Heitaro Nakajima, David Ranada, July, 32. The Audio Interview: Goddard Lieberson, Robert Long, Sept., 32. 45 Years of Audio Magazine, Sept., 49. The Audio Interview: Jack Pfeiffer, Susan Elliott, Nov., 44. The Audio Interview: Peter Asher, Ted Fox, Dec., 60. Home Theater & Surround Sound Home Theater: A Pro's Way, Wynne Smith, March, 28. SRS: Surround Sound with Only Two Speakers (Hughes' Sound Retrieval System), Arnold I. Klayman, Aug., 32. Currents (JBL Synthesis One THX system), John Eargle, Sept., 18.

177

A/V Receiver Roundup: Seven for Seven Seventy to Seventeen Ninety-Five (Denon AVR-3000, JVC RX-1050VTN, Kenwood KR-V9030, Onkyo TX-SV909PRO, Pioneer VSX-D901S, Sansui RZ-9500AV, and Sony ES STR-GX99ES), Leonard Feldman, Dec., 46.

Obituaries Arthur A. Janszen, Jan., 8. B. V. Pisha, Feb., 6. Photo CD Currents (Kodak's Photo CD system), John Eargle, Dec., 38.

Pro Recording The Audio Interview: Goddard Lieberson, Robert Long, Sept., 32. The Audio Interview: Jack Pfeiffer, Susan Elliott, Nov., 44. The Audio Interview: Peter Asher, Ted Fox, Dec., 60.

Interviews Henry Kloss, David Lander, Feb., 34. George L. Augspurger, Wendy J. Duch, April, 36. Heitaro Nakajima, David Ranada, July, 32. Goddard Lieberson, Robert Long, Sept., 32. Jack Pfeiffer, Susan Elliott, Nov., 44. Peter Asher, Ted Fox, Dec., 60.

Listening & Listening Rooms Currents (auralization and Lexicon Acoustic Reverberance Enhancement System), John Eargle, Feb., 18. Home Theater: A Pro's Way, Wynne Smith, March, 28. A/B/Xing DCC, David L. Clark, April, 32. The Audio Interview: George L. Augspurger, Wendy J. Duch, April, 36. SRS: Surround Sound with Only Two Speakers (Hughes' Sound Retrieval System), Arnold I. Klayman, Aug., 32. Listening and Experience (listening panel for B & 0), Villy Hansen and S. K. Pramanik, Aug., 38.

Loudspeakers The Audio Interview: Henry Kloss, David Lander, Feb., 34. A New Type of Speaker: A Sphere of Sound (Museatex Audio's Melior Point Source speakers), Moray Campbell and Scott Robinson, June, 34. Currents (JBL Synthesis One THX system), John Eargle, Sept., 18. With a Little Help from My Friends (improving speaker imaging with foam and felt), Richard J. Kaufman, Sept., 42. Thunder in the Listening Room: Subwoofer Shootout (Altec Lansing PSW10, Hsu Research HRSW 10, Infinity SSW-210, and Velodyne F-1500), D. B. Keele, Jr., Nov., 34.

MiniDisc (MD) The Mechanics of Sony's MiniDisc: Beyond the Caddy, Leonard Feldman, Dec., 56. Noise Reduction CEDAR Noise Reduction: Getting the Grain Out, Beth C. Fishkind, March, 34.

178

AUDIO/DECEMBER 1992

Advent Audio Focus and Mini-Advent A/V Loudspeakers ("Auricle"), Aug., 73. Aiwa XK-S9000 Cassette Deck, July, 50. Alpine 7980 Car CD Changer and Tuner,

Feb., 68. Atlantic Technology System 150 HT Surround Loudspeakers ("Auricle"), Feb., ADDENDA The Audio Interview: Jack Pfeiffer (Nov.

1992, 44), Jan., 11. Taking Up Resonance: Finding Room Modes on Your Computer (April 1993, 32), May, 12, and June, 8.

Slide Tuning a Port Speaker, Harold Weinberg, Nov., 36. DIGITAL TECHNIQUES Currents (SigTech DSP unit), John Eargle,

1993, 74), Sept., 8.

plifier Kit ("Auricle"), Aug., 71. AudioQuest 7000nsx Moving-Coil Phono Cartridge ("Auricle"), Nov., 90. Audio Research LS3 B Line Preamplifier ("Auricle"), March, 72.

April, 20.

Auricle: Acurus DIA 100 Amplifier (July

76. Audio by Van Alstine Super Pas 4i Pream-

Taking Up Resonance: Finding Room Modes

BASF Ferro Extra I, Chrome Extra II,

on Your Computer, John Sehring, April,

Chrome Super II, and Chrome Maxima

The Lowdown on Subwoofers (Aug. 1993,

32 (Addenda, May, 12, and June, 8).

38), Oct., 8. Equipment Profile: Parasound HCA-2200II

Roadsigns (MiniDisc and Digital Compact

Beyerdynamic DT 911 Earphones ("Auri-

Cassette for car stereo), Ivan Berger,

cle"), Jan., 131. Beyerdynamic DT 770 Pro Earphones

Amplifier (Aug. 1993, 42), Nov., 6. Annual Equipment Directory (Oct. 1993),

Dec., 10. BOOK REVIEWS The Compact Disc Handbook, Second Edi-

May, 22. Currents (Tandy's Video Information System, in Memorex MD-2500 player),

("Auricle"), March, 78. CAIG ProGold Contact Conditioner ("Au-

John Eargle, June, 26. The Audio Interview: Takeaki Anazawa, Da-

ricle"), Dec., 100. Cambridge SoundWorks Surround System

vid Ranada, June, 56.

tion by Ken C. Pohlmann, Jan., 32. Music

Speech

Audio by William J.

Strong and George R. Plitnik, Jan., 34.

DIRECTORIES Car Stereo Directory, May.

Handbook of Acoustical Measurements and

MiniDisc Players, 49; Ambience & Sur-

Noise Control, Third Edition, edited by

round Sound Processors, 49; Amps/

Cyril M. Harris, Jan., 36. The Penguin Guide to Bargain Compact

Equalizers, 53; Radios/Tape Players, 68;

Discs and Cassettes by Ivan March, Edward Greenfield, and Robert Layton,

Aug., 21.

II Cassettes, June, 38.

("Auricle"), Jan., 134. Camelot Technology Arthur D/A Converter ("Auricle"), June, 84. Celestion 300 Loudspeaker, March, 50. Cello

Palette

Preamplifier

("Auricle"),

June, 80.

Compact Disc Changers & D/A Converters, 78; In-Dash Compact Disc Players, 82; Speakers, 87; Company Addresses, 137. Annual Equipment Directory, Oct. Introduction, 72A; Compact Disc Play-

CAR STEREO

ers & D/A Converters, 74 (Addendum,

Roadsigns (products to combat car and

Dec., 10); Amplifiers, 92; Preamplifiers,

road noise), Ivan Berger, Jan., 40. Roadsigns (Radio Broadcast Data System), Ivan Berger, April, 16. Roadsigns (MD and DCC), Ivan Berger,

May, 22. Commander Bond, Your Car Is Ready! (As-

122; Tuners, 140; Receivers, 142; Turntables, 152; Tonearms, 156; Phono Cartridges, 158; Headphones, 164; Digital

Coda Technologies FET Preamplifier 01

Recorders, 172; Analog Cassette Decks, 174; Blank Tapes & Discs, 177; Equaliz-

Counterpoint

ers, 182; Ambience & Surround Sound

and Amplifier System 100, March, 60. Clearfield

Metropolitan

ton Martin Virage installation), Ivan

Processors, 186; Signal Processors, 194;

Loudspeaker, July, 56. Dahlquist DQ-30i Loudspeaker, June, 68.

Berger, May, 32.

Crossovers,

Denon TU-680NAB "SuperRadio," April,

196; Loudspeakers, 200

19th Annual Car Stereo Directory, May, 49.

(Addendum, Dec., 10); Company Ad-

Roadsigns (CouponRadio printouts of Ra-

dresses, 329.

dio Broadcast Data), Ivan Berger, Aug., 32.

HD8, HDM, and MG-X Metal Cassettes, ELECTRICAL NOISE

Roadsigns (Mach 460 system in Ford Mustang), Ivan Berger, Nov., 28.

Zapping Electrical Noise, Richard J. Kauf-

Roadsigns (Bose Beta system in Mercedes-

Quiet by Design, George Schulson, Sept., 36.

Benz 600SEC), Ivan Berger, Dec., 32.

64.

Denon DX-1, S-PORT High, HD6, HD7,

man, Aug., 34.

June, 38. DGX Audio DDL-1 Loudspeaker and DDA-1 Digital Processing Amplifier, Nov., 48. Digital Phase AP-1 Loudspeaker, Dec., 66. Etymotic Research ER4 Earphones, Dec.,

CONSTRUCTION PROJECTS

EQUIPMENT PROFILES

Zapping Electrical Noise, Richard J. Kauf-

Acurus DIA 100 Amplifier ("Auricle"), July, 74 (Addendum, Sept., 8).

man, Aug., 34.

A U D I O / D E C E M B E R 1993 134

78. Fuji DR-I, DR-II, FR-IIx, FR-IIx Pro, ZII,

and FR Metal Cassettes, June, 38.

Genesis Genre I Loudspeaker, Sept., 52.

Scotch BX, CX, and XSII-S Cassettes June,

Harman Kardon HK6950R Integrated Am-

38. SigTech AEC 1000 Acoustic Environment

plifier ("Auricle"), Sept., 74. JVC HA-D990 Earphones ("Auricle"), Jan.,

Correction System, Dec., 82.

INTERVIEWS Henry Z. Steinway, D. W. Fostle, Jan., 52. Eddie Kramer, Ted Fox, Feb., 24. Brian Eno, John Diliberto, March, 38. Takeaki Anazawa, David Ranada, June, 56.

108. JVC GI, AFII, and XFIV Cassettes, June, 38.

Sonance AGI-1 and RGFI-1 Isolators and

Krell KRC Preamplifier ("Auricle"), Oct.,

96. Sonic Frontiers SFL-1 Line Preamplifier

Thomas Z. Shepard, Susan Elliott, Nov., 38.

and SFS-40 Amplifier, Nov., 66. Sony MZ-1 Portable MiniDisc Recorder,

LISTENING & LISTENING ROOMS

41.

Legacy Convergence Loudspeaker, Feb., 54. Mark Levinson Reference Digital Processor No. 30, Jan., 68.

LA-1 Line Amplifier ("Auricle"), Dec.,

Bruce Iglauer, Jonathan Poses, Sept., 26.

The Uneasy Truce Between Music & the Room, F. Alton Everest, Feb., 36.

LF Engineering M-601 AM Antenna ("Au-

Feb., 44. Sony MDX-U1 Car MiniDisc Player and

Coloration of Room Sound by Reflections,

ricle"), July, 72. Linn Karik CD Transport and Numerik

Tuner, May, 38. Sony HF, ES-I, UX, UX-Pro, Metal SR, and

F. Alton Everest, March, 30. Currents (SigTech DSP unit), John Eargle,

D/A Converter ("Auricle"), Feb., 80. Lirpa Inflatable Audio Reviewer ("Auricle"), April, 74. Marantz DD-92 DCC Recorder, March, 44.

Metal Master Cassettes, June, 38. SOTA Vanguard II CD Player, Nov., 60. Soundstream DAC-1 D/A Converter ("Auricle"), April, 70.

April, 20. Stereo for the Movies: The Center Channel, Tomlinson Holman, April, 26. Taking Up Resonance: Finding Room Modes

TDK D, DS-X, SD, SA, SA-X, MA, MA-X,

on Your Computer, John Sehring, April,

Maxell UR, XLI, XLII, XLII-S, MX, MX-S,

and MA-XG Cassettes, June, 38. Technics RS-DC10 DCC Recorder, April,

32 (Addenda, May, 12, and June, 8). Zapping Electrical Noise, Richard J. Kauf-

and Metal Vertex Cassettes, June, 38. McCormack Audio DNA-1 Amplifier and

40. Video Acoustics Home Theater Loud-

man, Aug., 34. The Lowdown on Subwoofers, R. A. Greiner,

ALD-1 Preamplifier ("Auricle"), Aug.,

speaker System ("Auricle"), June, 90. Yamaha DSP-A2070 Digital Sound-Field

Quiet by Design, George Schulson, Sept.,

Maston Audio Deluxe Reference Loudspeaker System, Jan., 82.

54.

Memorex dBS, HBSII and CDX IV Metal

Processing Amplifier, Sept., 44.

Aug., 38 (Addendum, Oct., 8). 36.

Cassettes, June, 38. Metaxas Solitaire Amplifier, June, 62. Neumann KM 100 Microphone System,

Nov., 80.

Optimus DCT-2000 DCC Recorder, Jan., 96.

Panamax Max 1000 Surge Protector and Line Conditioner ("Auricle"), June, 86. Paradigm Studio Monitor Loudspeaker,

HISTORY The Audio Interview: Henry Z. Steinway, D. W. Fostle, Jan., 52,

The Audio Interview: Eddie Kramer, Ted

Stereo for the Movies: The Center Channel, Tomlinson Holman, April, 26.

Fox, Feb., 24. The Audio Interview: Brian Eno, John Diliberto, March, 38.

Philips DCC-900 DCC Recorder, July, 66. Pioneer DEH-M990DSP Car CD Player

The Audio Interview: Takeaki Anazawa, David Ranada, June, 56.

46.

Quicksilver Audio M135 Mono Amplifier,

Dec., 56.

umn), Bert Whyte, June, 30.

Currents (RCA's Living Stereo reissue series), John Eargle, Aug., 28. The Audio Interview: Bruce Iglauer, Jonathan Poses, Sept., 26.

Realistic Supertape XR, Supertape HD, Su-

The Audio Interview: Thomas Z. Shepard, Susan Elliott, Nov., 38.

pertape Premium MII, and Supertape

Savoy Jumps Again, Howard Mandel, Dec.,

MIV Cassettes, June, 38.

Room, F. Alton Everest, Feb., 36.

Coloration of Room Sound by Reflections,

Behind the Scenes (25th anniversary of col-

and Receiver, Sept., 64.

The Uneasy Truce Between Music & the

Mechanics Hall: Meetinghouse for Music, Rick Howland, Jan., 64.

April, 52. Parasound HCA-2200II Amplifier, Aug., 42 (Addendum, Nov., 6).

PS Audio UltraLink D/A Converter, Aug.,

LOUDSPEAKERS

52.

A U D I O / D E C E M B E R 1993 135

F. Alton Everest, March, 30.

Taking Up Resonance: Finding Room Modes on Your Computer, John Sehring, April, 32 (Addenda, May, 12, and June, 8). The Lowdown on Subwoofers, R. A. Greiner, Aug., 38 (Addendum, Oct., 8). Slide Tuning a Port Speaker, Harold Weinberg, Nov., 36. A Quest for the Audibility of Polarity, R. A. Greiner and Douglas E. Melton, Dec., 40.

MEASUREMENT TECHNIQUES The Uneasy Truce Between Music & the Room, F. Alton Everest, Feb., 36.

Coloration of Room Sound by Reflections, F. Alton Everest, March, 30.

Sound the Horn (Alligator's Trumpet Records series), Eugene Pitts, Sept., 34.

Taking Up Resonance: Finding Room Modes on Your Computer, John Sehring, April,

Savoy Jumps Again, Howard Mandel, Dec., 52.

Greatest Cassette Test Ever, Edward J.

Mass Tape Test—51 Cassettes: The Second Greatest Cassette Test Ever, Edward J. Foster, June, 38. Beyond Output: Environmental Stability of

32 (Addenda, May, 12, and June, 8). Mass Tape Test—51 Cassettes: The Second

TAPE & TAPE R E C O R D I N G

Speaker Cables: Testing for Audibility, Fred E. Davis, July, 34.

Foster, June, 38. Speaker Cables: Testing for Audibility, Fred E. Davis, July, 34. The Lowdown on Subwoofers, R. A. Greiner, Aug., 38 (Addendum, Oct., 8). Beyond Output: Environmental Stability of Audio Cassettes, Mark Weavers, Dec., 48. A Quest for the Audibility of Polarity, R. A.

Greiner and Douglas E. Melton, Dec., 40.

NOISE REDUCTION Zapping Electrical Noise, Richard J. Kauf-

man, Aug., 34. Quiet by Design, George Schulson, Sept., 36.

Obituary: Bernard Kardon, Aug., 10. PRO RECORDING Mechanics Hall: Meetinghouse for Music, Rick Howland, Jan., 64. The Audio Interview: Eddie Kramer, Ted

Fox, Feb., 24. The Audio Interview: Brian Eno, John Diliberto, March, 38. The Audio Interview: Takeaki Anazawa, David Ranada, June, 56. Music City Madness: Doin' a Demo, Allan Girdler, July, 44. The Audio Interview: Bruce Iglauer, Jonathan Poses, Sept., 26. The Audio Interview: Thomas Z. Shepard, Susan Elliott, Nov., 38. PSYCHOACOUSTICS The Uneasy Truce Between Music & the Room, F. Alton Everest, Feb., 36. Coloration of Room Sound by Reflections, F. Alton Everest, March, 30. A Quest for the Audibility of Polarity, R. A. Greiner and Douglas E. Melton, Dec., 40.

REISSUED RECORDINGS Currents (RCA's Living Stereo series), John Eargle, Aug., 28.

A U D I O / D E C E M B E R 1993 136

Audio Cassettes, Mark Weavers, Dec., 48.

1994

Subject

A.C. POWER That Mysterious Source: The A.C. Power Line, Edward M. Long, June, 34. Power Disturbances, Susan Owen, June, 38. ADDENDA Equipment Profile: DGX Audio DDL-1 Loudspeaker and DDA-1 Digital Processing Amplifier (Nov. 1993, 48), Jan., 8. Equipment Profile: Digital Phase AP-1 Loudspeaker (Dec. 1993, 66), March, 8. Equipment Profile: NHT Model 3.3 Loudspeaker (Feb., 49), July, 6. BOOK REVIEWS Theory and Design of Loudspeaker Enclosures by J. E. Benson, Jan., 33. Nothing But the Blues, edited by Lawrence Cohn, July, 16. Audition by Pierre Buser and Michel Imbert (translated by R. H. Kay), July, 17. Understanding Music with AI: Perspectives on Music Cognition, edited by Mira Balaban, Kemal Ebcioglu, and Otto Laske, July, 18. Electrostatic Loudspeaker Design and Construction by Ronald Wagner, Sept., 13. CABLES & WIRES Auto Speaker Polarity, Fred E. Davis, June, 40. Speaker Cables: Measurements vs. Psychoacoustic Data, Edgar Villchur, July, 34. CAR STEREO Roadsigns (Dodge Intrepid, Chrysler Concorde, and Eagle Vision with Infinity Spatial Imaging sound system), Ivan Berger, Jan., 38. Roadsigns (Lexus/Pioneer and Lexus/Nakamichi sound systems), Ivan Berger, Feb., 22. 20th Annual Car Stereo Directory, May, 37. Auto Speaker Polarity, Fred E. Davis, June, 40. DIGITAL TECHNIQUES Sound Conditioning Through DSP, Daniel Sweeney, March, 24. Digital Film Sound: Rated S for Sound, E. Brad Meyer, June, 44. Currents (Pioneer CLD-A100 CD/LaserDisc player, with LaserActive game module), John Eargle, Aug., 17. Spectrum (two-layer optical discs), Ivan Berger, Aug., 20. Digital Radio, John Gatski, Sept., 34.

Index

Currents (video data reduction), John Eargie, Nov., 20. The Audio Interview: Tom Stockham, Daniel Levitin, Nov., 38. Video CD: A Coding Challenge, Robert A. Finger, Dec., 38. DIRECTORIES Car Stereo Directory, May. DCC & MD Players, 37; Ambience & Surround Sound Processors, 38; Amps/Equalizers, 41; Radios/Analog Tape Players, 60; CD Changers & D/A Converters, 69; InDash CD Players, 72; Speakers, 75; Company Addresses, 127. Annual Equipment Directory, October. Introduction, 72A; CD Players & Transports, 74; D/A Converters, 84; Amplifiers, 94; Preamplifiers, 128; Tuners, 146; Receivers, 149; Turntables, 158; Tonearms, 160; Phono Cartridges, 162; Headphones, 168; DAT, DCC, & MD Player/Recorders, 174; Analog Cassette Decks, 175; Blank Tapes & Discs, 178; Equalizers, 180; Ambience & Surround Sound Processors, 184; Signal Processors, 190; Crossovers, 192; Loudspeakers, 196; Company Addresses, 320. ELECTRICAL NOISE That Mysterious Source: The A.C. Power Line, Edward M. Long, June, 34. Power Disturbances, Susan Owen, June, 38. EMERGING TECHNOLOGIES Sound Conditioning Through DSP, Daniel Sweeney, March, 24. Digital Film Sound: Rated S for Sound, E. Brad Meyer, June, 44. Spectrum (AM radio news), Ivan Berger, July, 26. Currents (Pioneer CLD-A100 CD/LaserDisc player, with LaserActive game module), John Eargle, Aug., 17. Spectrum (two-layer optical discs), Ivan Berger, Aug., 20. Spectrum ( D o l b y Surround D i g i t a l ) , Ivan Berger, Sept., 14. Digital Radio, John Gatski, Sept., 34. Currents (video data reduction), John Eargle, Nov., 20. Video CD: A Coding Challenge, Robert A. Finger, Dec., 38.

AUDIO/DECEMBER 1994 141

EQUIPMENT PROFILES Accuphase DP-90 CD Transport and DC-91 D/A Converter, April, 44. Acoustic Research Limited Model 2 Preamplifier, Aug., 42. Adcom GFA-5800 A m p l i f i e r ("Auricle"), Nov., 92. Alpha-Core Goertz MI 1 and MI 2 Speaker Cables ("Auricle"), Aug., 64. Alpine 7982 Car CD Changer and Tuner, Nov., 68. Altec Lansing AC10 Computer Audio Controller ("Auricle"), Dec., 96. Apogee Acoustics Studio Grand Loudspeakers ("Auricle"), July, 58. ASC NA-4 Shadow Caster Acoustic Panels ("Auricle"), Sept., 56. Audio Alchemy DTI, XDP, and Power Station Two D/A Converter System ("Auricle"), March, 74. AudioControl C-101 Series III Equalizer/Analyzer, Aug., 54. AudioPrism Iso-Bearing Vibration Absorbers ("PlayBack"), Nov., 128. AudioSource Amp One Amplifier, June, 62. Ayre V-3 Amplifier, Sept., 38. Beyerdynamic IRS 790 Earphones ("Auricle"), May, 32. Bib Compact Disc Restorer Polish ("Auricle"), Feb., 68. B-I-C America V-12 Subwoofer and SWA-100 Mono Subwoofer Amplifier, Sept., 54. Bryston BP20 Preamplifier, July, 42. B & W THX Home Cinema System ("Auricle"), July, 66. Cambridge SoundWorks EXO-1 Crossover ("Auricle"), Jan., 102. Canon S-35 Loudspeakers ("PlayBack"), Nov., 128. Chase Technologies HTS-1 Surround Processor ("PlayBack"), Dec., 144. Classe Audio Thirty Preamplifier ("Auricle"), Feb., 70. conrad-johnson Premier Twelve Mono Amplifier, Dec., 80. Crown SASS-P MKII Stereo PZM Microphone, April, 66. Denon Professional Test CDs ("Auricle"), Jan., 108. Discwasher CD Stealth CD Cleaning System ("PlayBack"), Dec., 144. Dolby Laboratories Consumer Guide to Home Theatre Videocassette ("PlayBack"), Dec., 144. Electro-Voice N/D 857B Microphone, Dec., 88.

Energy Veritas vl.8 Loudspeaker, Sept., 42. Epos ES11 Loudspeaker, Aug., 48. Fosgate-Audionics Model Four S u r r o u n d Processor, Jan., 70. GE Superadio I I I A M / F M Mono Radio ("PlayBack"), Nov., 128. Harman Kardon Festival 500 Music System ("PlayBack"), Nov., 128. Harman Kardon AVR30 A/V Receiver, Dec., 48. JVC XL-G3900 Car CD Player and Receiver, Jan., 78. KEF Q70 Loudspeaker, Dec., 71. Mark Levinson No. 38S Preamplifier ("Auricle"), Dec., 98. Lexicon CP-3 and CP-3 Plus Surround Processors, March, 62. Martin-Logan Aerius Loudspeaker ("Auricle"), Feb., 64. McIntosh MC 1000 Mono Amplifier, Feb., 34. M & K S-5000THX Satellite and MX5000THX Powered Subwoofer, June, 52. NCT Noisebuster NB-DX Earphones, Sept., 52. NEAR 50Me Loudspeaker, Jan., 58. NHT Model 3.3 Loudspeaker, Feb., 49 (Addendum, July, 6). Onkyo TX-SV515PRO A/V Receiver (Three $500 Dolby Pro Logic Receivers), Jan., 44. Optimus STAV-3400 A/V Receiver, April, 56. Panasonic RQ-DP7 Portable DCC Player, Feb., 42. Panasonic CQ-DC1 Car Tuner/DCC Player, July, 52. Pass Laboratories Aleph 0 Mono Amplifier ("Auricle"), Sept., 58. Pioneer VSX-502 A/V Receiver (Three S500 Dolby Pro Logic Receivers), Jan., 44. Polk Audio LS 90 Loudspeaker ("Auricle"), Feb., 58. PS Audio Reference Link LS Digital Preamplifier ("Auricle"), June, 80. Quad 67 CD Player, March, 46. Rote! RHB-10 Amplifier and RHA-10 Preamplifier ("Auricle"), Jan., 94. Scientific Fidelity Crown Joule Loudspeaker, March, 49. Sentec DiAna D/A Converter ("Auricle"), July, 62. Signet SL280ex Loudspeaker, July, 46. Sonance 2120 Amplifier ("Auricle"), Aug., 60. Sony TCD-D7 Portable DAT Recorder, June, 48. Sony MDS-501 MiniDisc Deck, Nov., 56. Sony MZ-E2 Portable MiniDisc Player, Nov., 64. Soundstream DA-2 Amplifier, Nov., 76. Stax DAC-Talent BD D/A Converter, Nov., 84. Technics SA-GX650 A/V Receiver ( Three S500 Dolby Pro Logic Receivers), Jan., 44. Terk Technologies Leapfrog Remote-Control Extender ("Auricle"), Aug., 65.

T h e t a D i g i t a l Cobalt 307 D/A Converter ("Auricle"), Jan., 88. Thiel CS1.5 Loudspeaker ("Auricle"), Nov., 98. TopBox Speaker-Enclosure Computer Program ("Auricle"), June, 74. VMPS FF-1 Loudspeaker ("Auricle"), June, 68. HEADPHONES Sound Conditioning Through DSP, Daniel Sweeney, March, 24. HISTORY Noise Cancellation in the '30s, Ivan Berger, March, 27. The Audio Interview: Tony Schwartz, David Lander, March, 34. The Audio Interview: Len Feldman, David Lander, April, 30. Classic Jazz Remasters: Art Pepper/Brubeck Quartet/Sonny Rollins, Bruce and Jenny Bartlett, July, 38. The Audio Interview: Bob Weinstock, James Rozzi, Aug., 30. Currents (Classic Records' vinyl reissues of RCA Living Stereo LPs), John Eargle, Sept., 20. The Audio Interview: Marc Aubort, D. W. Fostle, Sept., 26. The Audio Interview: Tom Stockham, Daniel Levitin, Nov., 38. HOME THEATER & SURROUND SOUND Three $500 A/V Receivers: Explosive Value in Home Theater, Leonard Feldman, Jan., 44. Digital Film Sound: Rated S for Sound, E. Brad Meyer, June, 44. Spectrum (Dolby Surround Digital), Ivan Berger, Sept., 14. Planning a Home Theater System: Where Do You Begin?, William R. Hoffman, Nov., 46. INTERVIEWS Daniel Lanois, John Diliberto, Jan., 50. Tony Schwartz, David Lander, March, 34. Len Feldman, David Lander, April, 30. Mark Wilder/Classic Jazz Remasters, Bruce and Jenny Bartlett, July, 38. Bob Weinstock, James Rozzi, Aug., 30. Marc Aubort, D. W. Fostle, Sept., 26. Ivor Tiefenbrun/Mondo Audio, Ken Kessler, Nov., 16. Tom Stockham, Daniel Levitin, Nov., 38. LISTENING & LISTENING ROOMS One Thump or Two: The Advantages of Stereo Subwoofers, John F. Sehring, Feb., 26. "No, You D o n ' t Have to Turn It Down!":

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Soundproofing the Teenager, Rebecca Day, Feb., 30. Sound Conditioning Through DSP, D a n i e l Sweeney, March, 24. The Best Place for Your Speakers? Your Computer Knows!, Roy Allison, Aug., 36. Planning a Home Theater System: Where Do You Begin?, William R. Hoffman, Nov., 46. LOUDSPEAKERS One Thump or Two: The Advantages of Stereo Subwoofers, John F. Sehring, Feb., 26. Sound Conditioning Through DSP, Daniel Sweeney, March, 24. The Best Place for Your Speakers? Your Computer Knows!, Roy Allison, Aug., 36. Planning a Home Theater System: Where Do You Begin?, William R. Hoffman, Nov., 46. MEASUREMENT TECHNIQUES That Mysterious Source: The A.C. Power Line, Edward M. Long, June, 34. Power Disturbances, Susan Owen, June, 38. Auto Speaker Polarity, Fred E. Davis, June, 40. Speaker Cables: Measurements vs. Psychoacoustic Data, Edgar Villchur, July, 34. The Best Place for Your Speakers? Your Computer Knows!, Roy Allison, Aug., 36. The Audio Interview: Tom Stockham, Daniel Levitin, Nov., 38. Planning a Home Theater System: Where Do You Begin?, William R. Hoffman, Nov., 46. NOISE REDUCTION Sound Conditioning Through DSP, Daniel Sweeney, March, 24. Noise Cancellation in the '30s, Ivan Berger, March, 27. The Audio Interview: Tom Stockham, Daniel Levitin, Nov., 38. OBITUARIES Herman Burstein, Feb., 10. Leonard Feldman, April, 6 and 30. Bart Locanthi, April, 26. Ralph Hodges, April, 26. Bert Whyte, June, 4 and 28. Avery Fisher, June, 30. PRO RECORDING The Audio Interview: Daniel Lanois, J o h n Diliberto, Jan., 50. The Audio Interview: Tony Schwartz, David Lander, March, 34. Classic Jazz Remasters: Art Pepper/Brubeck Quartet/Sonny Rollins, Bruce and J e n n y Bartlett, July, 38. The Audio Interview: Bob Weinstock, James Rozzi, Aug., 30. The Audio Interview: Marc Aubort, D. W. Fostie, Sept., 26. The Audio Interview. Tom Stockham, Daniel Levitin, Nov., 38.

PSYCHOACOUSTICS Speaker Cables: Measurements vs. Psychoacoustic Data, Edgar Villchur, July, 34. RADIO Spectrum (AM radio news), Ivan Berger, July, 26. Digital Radio, John Gatski, Sept., 34. REISSUED RECORDINGS Classic Jazz Remasters: Art Pepper/Brubeck Quartet/Sonny Rollins, B r u c e and J e n n y Bartlett, July, 38. Currents (Classic Records' vinyl reissues of RCA Living Stereo LPs), John Eargle, Sept., 20.

TAPE & TAPE RECORDING The Audio Interview: Tony Schwartz, David Lander, March, 34. Jurassic Tape: How To Be a Good Audio Dino, David B. Cameron, April, 38. THEATER SOUND Digital Film Sound: Rated S for Sound, E. Brad Meyer, June, 44. VIDEO CD Video CD: A Coding Challenge, Robert A. Finger, Dec., 38.

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The Promise and Problems of Computer Sound Boards, Bascom H. King, Nov., 34.

ADDENDA Equipment Profile: Stax DAC-Talent BD D/A Converter (Nov. 1994, 84), Jan., 37. Planning a Home Theater System: Where Do You Begin? (Nov. 1994, 46), March, 16. Equipment Profile: Audio Alchemy DTI-PRO Jitter Reducer and Resolution Enhancer (Feb., 64), May, 32. Build a Mono, 100-Watt Class-A Amp (Part I, Jan., 42; Part II, Feb., 36; Part III, March, 34), July, 23. Equipment Profile: VAC PA160 Mono Amplifier (Aug., 62), Oct., 20. Surround Speakers: Confusion, Diffusion, and Resolution (July, 40), Nov., 18.

Road-Tests Radios, Mike Stosich, May, 34. Car Audio: Get Your Head Into It, Richard Clark and David Navone, May, 38. Roadsigns (RDS and ID Logic), Ivan Berger, July, 28. Roadsigns (integrated dashboards), Ivan Berger, Aug., 24.

AMPLIFIERS Build a Mono, 100-Watt Class-A Amp, Dr. Norman E. Thagard, Part I, Jan., 42; Part II, Feb., 36; Part III, March, 34; Addendum, July, 23. Switched-On Amps: Power with a Pulse, Bascom H. King, Feb., 42.

CONSTRUCTION PROJECTS Build a Mono, 100-Watt Class-A Amp, Dr. Norman E. Thagard, Part I, Jan., 42; Part II, Feb., 36; Part III, March, 34; Addendum, July, 23. Roll Your Own Subwoofer: Foundations for Sound, John Sehring, July, 34.

BOOK REVIEWS The Land Where the Blues Began by Alan Lomax, June, 6. Higher Superstition: The Academic Left and Its Quarrels with Science by Paul R. Gross and Norman Levitt, June, 6. Balkan Ghosts: A Journey Through History by Robert D. Kaplan, July, 12. In Marconi's Footsteps: Early Radio by Peter R. Jensen, July, 12 and Aug., 20. High Definition Compact Disc Recordings by Howard Ferstler, Oct., 46. Pulse of the Planet by Jim Metzner, Oct., 46. The Complete Guide to High-End Audio by Robert Harley, Oct., 46.

DIGITAL TECHNOLOGY & TECHNIQUES Switched-On Amps: Power with a Pulse, Bascom H. King, Feb., 42. Currents (CD Interactive), John Eargle, March, 14. CD Players on the Go, Edward M. Long, April, 22. 20,000-Watt Hi-Fi Gets Digital EQ, Richard S. Burwen, April, 28. Currents (Digital VideoDisc), John Eargle, May, 16. Roadsigns (car navigation systems), Ivan Berger, May, 24. RCA's Digital Satellite System: A Gourmet Dish or a Pot of Trouble?, Anthony H. Cordesman and James Harper, Aug., 32. Five CD Portables: Digital Memories for Road or Track, Edward M. Long, Sept., 24. Currents (Dolby AC-3), John Eargle, Nov., 26.

CAR STEREO Switched-On Amps: Power with a Pulse, Bascom H. King, Feb., 42. Roadsigns (car navigation systems), Ivan Berger, May, 24. T u n e r s in Transit: How B l a u p u n k t

COMPUTER SOUND BOARDS The Promise and Problems of Computer S o u n d Boards, B a s c o m H. K i n g , Nov., 34. Adding Multimedia to Your PC, John M. Woram, Nov., 38.

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DIRECTORY Annual Equipment Directory, October Introduction, 64A; CD Players & Transports, 66; D/A Converters, 76; Amplifiers, 85; Preamplifiers, 130; Tuners, 153; Receivers, 155; Turntables, 162; Tonearms, 166; Phono Cartridges, 168; Headphones, 174; Digital Player/Recorders, 184; Analog Cassette Decks, 186; Blank Tapes & Discs, 190; Equalizers, 194; Ambience & Surround Sound Processors, 196; Signal Processors, 202; Crossovers, 204; Loudspeakers, 209; Company Addresses, 340. EMERGING TECHNOLOGIES Currents (CD Interactive), John Eargle, March, 14. Currents (Digital VideoDisc), John Eargle, May, 16. Roadsigns (car navigation systems), Ivan Berger, May, 24. Roadsigns (integrated dashboards), Ivan Berger, Aug., 24. RCA's Digital Satellite System: A Gourmet Dish or a Pot of Trouble?, Anthony H. Cordesman and James Harper, Aug., 32. Currents (Dolby AC-3), John Eargle, Nov., 26. E Q U I P M E N TP R O F I L E S Acoustic Research 338 Loudspeaker ("Auricle"), Nov., 82. Acurus 200X3 Three-Channel Amplifier, Feb., 47. Aiwa XP-559 Portable CD Player (CD Players on the Go), April, 22. Aiwa AD-F850 Cassette Deck, Sept., 56. Allsop 58200 CD Repair Kit ("PlayBack"), Nov., 119. Alpine CDA-7939 Car Stereo, Aug., 38. Assemblage DAC-1 D/A Converter Kit, Nov., 74. Audio Alchemy DTI-PRO Jitter Reducer and Resolution Enhancer, Feb., 64 (Addendum, May, 32). Audio Alchemy Vac-in-the-Box Phono Preamplifier ("PlayBack"), July, 96.

Audio Artistry Dvorak A/V Loudspeaker System ("PlayBack"), Nov., 119. AudioControl Rialto Equalizer ("Auricle"), Dec., 84. AudioPrism Quiet-Line A.C. Line Filter ("PlayBack"), Feb., 104. AudioQuest Big Feet Isolators ("PlayBack"), Sept., 104. Audio Research D300 Amplifier and LS2B Mark II P r e a m p l i f i e r ("Auricle"), Jan., 108. Audio Research VT150SE Mono Amplifier, LS5 MKII Preamplifier, and BL2 Interface ("Auricle"), May, 66. Audio Research DAC3 D/A Converter and CDT1 CD Transport ("Auricle"), June, 68. Audio-Technica ATH-P5 Portable Headphones ("PlayBack"), June, 104. Audio-Technica AT882 Stereo Microphone ("PlayBack"), Nov., 120. Bag End D10E ELF Subwoofer and ELFM Integrator, Feb., 72. B & K Components AVP1000 A/V Tuner/ Preamplifier ("Auricle"), June, 76. Boston Acoustics CR7 Loudspeaker, Sept., 48. Boulder 102 Amplifier and L5 Preamplifier, Sept., 38. B & W M a t r i x 805 L o u d s p e a k e r and 800ASW Powered Subwoofer, Sept., 62. Cambridge Soundworks by Henry Kloss L o u d s p e a k e r System ("Auricle"), March, 80. Carver Research Lightstar Reference Amplifier, July, 68. Cary Audio Design CAD-805 Mono Amplifier, July, 54. Chesky's Best of Chesky Classics & Jazz and Audiophile Test Disc, Volume 3 ("PlayBack"), Feb., 104. Classe Audio CA-400 Amplifier ("Auricle"), Dec., 68. Counterpoint NPS-400A Amplifier, Dec., 34. Creative Labs Sound Blaster AWE32 Computer Sound Board (Computer Sound Boards), Nov., 34. Dana Audio Model 1 L o u d s p e a k e r , Feb., 52. Delos S u r r o u n d Spectacular CD Set ("PlayBack"), Sept., 104. Denon AVR-2500 A/V Surround Receiver ("PlayBack"), Jan., 167. Denon DCT-950 Car Stereo, May, 44. Denon AVC-2800 A/V Surround Amplifier, Dec., 44. DGX Audio DDP-1 Digital Preamplifier ("PlayBack"), March, 104.

Direct Acoustics Silent Loudspeaker ("Auricle"), Dec., 72. Discwasher Hydrobath CD Cleaning System ("PlayBack"), March, 104. Elite MC-5 Mini Components ("PlayBack"), April, 96. Elite PD-F109 100-Disc CD Changer ("PlayBack"), Nov., 120. ESX Entertainment's The Ultimate Test CD ("Auricle"), Jan., 134. Fine Line Audio FL3D-100 Passive Surround Decoder ("PlayBack"), Dec., 120. Fisher PCD-60 Portable CD Player (CD Players on the Go), April, 22. Gold Line DSP-30 Portable Real-Time Analyzer ("Auricle"), May, 74. Grado Labs SR125 Earphones, Aug., 54. Hafler P1500 Amplifier ("PlayBack"), June, 104. Headroom Supreme Headphone Amp and Image Processor ("Auricle"), Jan., 118. Infinity IRS Epsilon Loudspeaker ("Auricle"), April, 60. JBL SoundEffects A/V Loudspeaker System ("PlayBack"), Jan., 168. Jensen DF511 Car Stereo, April, 36. JMlab Spectral 913.1 Loudspeaker, Nov., 56. JVC X M - D 1 B K MiniDisc R e c o r d e r , March, 66. George Kaye Audio Labs Small-Signal Tube Checker ("PlayBack"), Aug., 96. Kenwood DP-M7750 CD Changer, Jan., 90. Kenwood KDC-PS900 Car Stereo, May, 50. KLH V-01 Rear-Channel Loudspeaker, March, 72. Klipsch CF 3 Loudspeaker, July, 62. Krell Reference KPE MC Phono Stage ("Auricle"), Feb., 78. Krell KPS-20i CD Player ("Auricle"), Sept., 76. Legacy High-Current Amplifier, April, 42. Mark Levinson No. 30.5 D/A Converter and No. 31 CD Transport ("Auricle"), March, 76. Linaeum LFX Loudspeaker ("Auricle"), July, 75. Luxman M-383 Amplifier and C-383 Preamplifier, Jan., 96. Mackie MicroSeries 1202 Portable Mixer ("PlayBack"), Jan., 167. Magnavox AZ6848/17 Portable CD Player (Five CD Portables), Sept., 24. Marantz Slim Series Components ("PlayBack"), Jan., 168.

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M a r a n t z SR-92 Mk II A/V Receiver, March, 50. Marantz LCD410 Personal TV/Radio ("PlayBack"), April, 96. MB Quart Vitalizer Psychacoustic Processor ("PlayBack"), May, 96. McIntosh MC 500 Amplifier and C40 Preamplifier ("Auricle"), Jan., 122. Mondial MAGIC Isolation Circuit ("PlayBack"), Feb., 104. Motorola Power Series Cellular Modem ("PlayBack"), May, 96. Museatex Bidat D/A Converter, Nov., 66. My Disc Sheffield/A2TB Test Disc ("Auricle"), Nov., 86. Nakamichi 1000 Car Stereo System, June, 40. Nakamichi Dragon CD Changer and Dragon DAC D/A Converter, Nov., 48. N.E.A.R. 10m Loudspeaker ("PlayBack"), Sept., 104. Newport Classic Binaural CD: SaintSaens's Symphony No. 3, "Organ," and Richard Strauss's "Also Sprach Zarathustra" ("PlayBack"), Dec., 120. OmniMount Systems 53 RST-UMK and 53 RWX-UMK Universal LoudspeakerMounting Kits ("PlayBack"), Nov., 119. Onkyo DX-F71p Portable CD Player (Five CD Portables), Sept., 24. Optimus PRO LX5 Loudspeaker, April, 48. Optimus CD-3420 Portable CD Player (Five CD Portables), Sept., 24. Panasonic SL-S490 Portable CD Player (Five CD Portables), Sept., 24. Paradigm Eclipse/BP Loudspeaker, Aug., 48. Parasound D/AC-1000 D/A Converter and C/DP-1000 CD Player/Transport, March, 58. Phase Technology PC 10.5 Loudspeaker, May, 56. Pioneer Elite MC-5 Mini Components ("PlayBack"), April, 96. Pioneer DEH-P815 Car Stereo, July, 48. Pioneer Elite PD-F109 100-Disc CD Changer ("PlayBack"), Nov., 120. Polk Audio M5, CS250S, M3II, and PSW200 A/V Loudspeakers ("Auricle"), July, 72. PS Audio Ultralink Two D/A Converter ("Auricle"), April, 56. Quicksilver GLA Amplifier ("Auricle"), May, 70. Radio Shack Digital Sound-Level Meter ("PlayBack"), July, 96. Recoton W500 Wireless Headphone System ("PlayBack"), July, 96. Renaissance Endeavors' Rejoice Christmas CD ("PlayBack"), Jan., 168.

RoomTune Deluxe Room-Treatment Panels ("Auricle"), July, 78. RoomTune Justarack Equipment Rack ("PlayBack"), Nov., 120. Sanus Systems Ultimate Foundations Loudspeaker Stands ("PlayBack"), Aug., 96. Sanyo CDP-55 Portable CD Player (CD Players on the Go), April, 22. Sennheiser IS 850 Digital Infrared Earphone System, May, 64. Sennheiser HDC451 Noise-Cancelling Earphones, Dec., 52. Sheffield Lab's The Sheffield/Caustic Test and Demonstration Disc and The Sheffield/XLO Test & Burn-in CD ("Auricle"), Jan., 134. Sheffield Lab's My Disc A2TB Test Disc ("Auricle"), Nov., 86. Snell Type A Music Reference Loudspeaker System ("Auricle"), April, 64. Sonic Frontiers SFD-2 D/A Converter, Jan., 82. Sonic Frontiers Ultrajitterbug Jitter Reducer ("Auricle"), Aug., 68. Sony DTC-2000ES DAT Recorder ("Auricle"), Jan., 128. Sony TC-K615S Cassette Deck ("PlayBack"), May, 96. Sony D-335 Portable CD Player (Five CD Portables), Sept., 24. Sony ES MDS-JA3ES MiniDisc Recorder, Dec., 58. Soundwave Point Source 3.0 Loudspeaker, Jan., 50. Spica TC-60 Loudspeaker ("Auricle"), Jan., 112. Stax SR-Omega Earspeakers and SRM71S Drive Amplifier, Feb., 60. Stereophile TestCD2 ("Auricle"), Jan., 134. Storadisc Library Series CD Storage Unit ("PlayBack"), Dec., 120. Sumiko SHO Reference Phono Cartridge ("Auricle"), Dec., 78. Sutherland A-1000 Mono Amplifier ("Auricle"), June, 104. TDL Studio 1m Loudspeaker ("Auricle"), Aug., 70. Technics S A - G X 7 7 0 A / V Receiver, Jan., 73. Terk AM-FM Q Active Antenna ("PlayBack"), Jan., 167. Theta Digital DS Pro Generation V D/A Converter ("Auricle"), Feb., 82. Thiel CS5i Loudspeaker ("PlayBack"), March, 104. Thiel CS7 Loudspeaker ("Auricle"), Aug., 58. Threshold T400 Amplifier, Aug., 44.

Totem Acoustic Rokk Loudspeaker, June, 60. Turtle Beach Monterey Computer Sound Board (Computer Sound Boards), Nov., 34. VAC PA160 Mono Amplifier, Aug., 62 (Addendum, Oct., 20). Vandersteen 3A Loudspeaker ("Auricle"), June, 72. Yamaha KX-580 Cassette Deck, June, 52. Z-Systems z-link+ Digital Sampling-Rate Converter ("PlayBack"), Aug., 96. HISTORY Mondo Audio (interview with Stan Kelly), Ken Kessler, Jan., 20. Mondo Audio (interview with Peter Walker), Ken Kessler, Feb., 18. Spectrum (16th anniversary of the Sony Walkman), Ivan Berger, July, 20. The Audio Interview: Raymond Cooke, Ken Kessler, Aug., 26. Who Really Invented Radio?, B. Eric Rhoads, Dec., 26. H O M E THEATER & SURROUND SOUND Surround Speakers: Confusion, Diffusion, and Resolution, Tomlinson Holman, July, 40 (Addendum, Nov., 18). RCA's Digital Satellite System: A Gourmet Dish or a Pot of Trouble?, Anthony H. Cordesman and James Harper, Aug., 32. Currents (Dolby AC-3), John Eargle, Nov., 26. Setting Up Speakers for A/V Systems: How to Get the Best Sound for Movies and Music, Anthony H. Cordesman, December, 20. INTERVIEWS Stan Kelly ("Mondo Audio"), Ken Kessler, Jan., 20. Tim de Paravicini, Bruce Bartlett with Jenny Bartlett, Jan., 38. Peter Walker ("Mondo Audio"), Ken Kessler, Feb., 18. Rykodisc Executives (Joe Boyd, Robert Simonds, Arthur Mann, and Don Rose), Michael Bieber and Michael Tearson, March, 42. Raymond Cooke, Ken Kessler, Aug., 26. Chesky Records Executives (David Chesky, Miguel Kertsman, Steve Guttenberg, and Bob Katz), John Gatski, Sept., 32. Rudy Van Gelder, James Rozzi, Nov., 42.

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LISTENING & LISTENING ROOMS 20,000-Watt Hi-Fi Gets Digital EQ, Richard S.Burwen, April, 28. Roll Your Own Subwoofer: Foundations for Sound, John Sehring, July, 34. Surround Speakers: Confusion, Diffusion, and Resolution, Tomlinson Holman, July, 40 (Addendum, Nov., 18). Setting Up Speakers for A/V Systems: How to Get the Best Sound for Movies and Music, Anthony H. Cordesman, Dec., 20. LOUDSPEAKERS Mondo Audio (interview with Stan Kelly), Ken Kessler, Jan., 20. Mondo Audio (interview with Peter Walker), Ken Kessler, Feb., 18. Waveform Phase, D. B. Keele, Jr., April, 53. Car Audio: Get Your Head Into It, Richard Clark and David Navone, May, 38. Understanding Speaker Crossovers: Zobels and All That, Hank Zumbahlen, June, 32. Roll Your Own Subwoofer: Foundations for Sound, John Sehring, July, 34. Surround Speakers: Confusion, Diffusion, and Resolution, Tomlinson Holman, July, 40 (Addendum, Nov., 18). The Audio Interview: Raymond Cooke, Ken Kessler, Aug., 26. Setting Up Speakers for A/V Systems: How to Get the Best Sound for Movies and Music, Anthony H. Cordesman, Dec., 20. M E A S U R E M E N T TECHNIQUES CD Players on the Go, Edward M. Long, April, 22. Waveform Phase, D. B. Keele, Jr., April, 53. Tuners in Transit: How Blaupunkt RoadTests Radios, Mike Stosich, May, 34. Car Audio: Get Your Head Into It, Richard Clark and David Navone, May, 38. Understanding Speaker Crossovers: Zobels and All That, Hank Zumbahlen, June, 32. Roll Your Own Subwoofer: Foundations for Sound, John Sehring, July, 34. Five CD Portables: Digital Memories for Road or Track, Edward M. Long, Sept., 24. The Promise and Problems of Computer Sound Boards, Bascom H. King, Nov., 34. MUSIC PERFORMANCE & RECORDING The Audio Interview: Rykodisc Executives, Michael Bieber and Michael Tearson, March, 42. Lured by Louisiana: The New Orleans Jazz and Heritage Festival, David Gahr, June, 26.

The Audio Interview: Chesky Records Executives, John Gatski, Sept., 32. The Audio Interview: Rudy Van Gelder, James Rozzi, Nov., 42. OBITUARIES William H. Thomas, July, 20. Raymond Cooke, Aug., 30. Dr. Marvin Camras, Oct., 18. R A D I O BROADCAST & RECEPTION Tuners in Transit: How Blaupunkt RoadTests Radios, Mike Stosich, May, 34. Roadsigns (RDS and ID Logic), Ivan Berger, July, 28. Who Really Invented Radio?, B. Eric Rhoads, Dec., 26. RECORDING The Audio Interview: Tim de Paravicini, Bruce Bartlett with Jenny Bartlett, Jan., 38. The Audio Interview: Rykodisc Executives, Michael Bieber and Michael Tearson, March, 42.

20,000-Watt Hi-Fi Gets Digital EQ, Richard S. Burwen, April, 28. Spectrum (decay of master tapes), Barry Fox, July, 22. The Audio Interview: Chesky Records Executives, John Gatski, Sept., 32. The Audio Interview: Rudy Van Gelder, James Rozzi, Nov., 42. REISSUED RECORDINGS Currents (Vanguard Classics' CD reissues of Everest stereo catalog), John Eargle, Jan., 16 and Feb., 14. Currents (EMI Classics' CD reissues of Full Dimensional Sound LPs), John Eargle, July, 16. TAPE Spectrum (decay of master tapes), Barry Fox, July, 22. VIDEODISCS Currents (CD Interactive), John Eargle, March, 14. Currents (Digital VideoDisc), John Eargle, May, 16. Currents (Dolby AC-3), John Eargle, Nov., 26.

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Mondo Audio (bad computer audio), Ken Kessler, Sept., 42.

ACOUSTICS Spectrum (Bose Modeler and Auditioner computer programs for designing a building's acoustics), Ivan Berger, March, 20. ADDENDA Who Really Invented Radio?, (Dec. 1995, 26), March, 8. Equipment Profile: JoLida SJ 302A Integrated Amplifier (March, 70), April, 6. Equipment Profile: EAD (Enlightened Audio Designs) TheaterMaster Dolby Digital (AC3) Surround Processor (March, 42), April, 6. Noise Shaping: 19 Bits in a 16-Bit Sack? (March, 32), May, 7. Auricle: NuReality Vivid 3D Theater SRS Processor (April, 74), June, 14.

AMPLIFIERS Mondo Audio (single-ended triode amplifiers), Ken Kessler, Oct., 40. Pure Power: Amplifier Design & Sound Quality, Tomlinson Holman, Nov., 26. CAR S T E R E O Spectrum (developments at Winter CES), Ivan Berger, May, 20. Spectrum (system design and installation), Ivan Berger, Aug., 32. COMPUTERS AND AUDIO Spectrum (Bose Modeler and Auditioner computer programs for designing a building's acoustics), Ivan Berger, March, 20. Spectrum (difficulties adding multimedia to a PC), Ivan Berger, July, 25. Mondo Audio (audiophile Web sites), Ken Kessler, July, 32. Front Row (computer industry meddling with hi-fi), Corey Greenberg, Sept., 38.

DIGITAL TECHNOLOGY & TECHNIQUES The Trouble with Jitter, Ken C. Pohlmann, Jan., 26. Fast Fore-Word (DVD), Michael Riggs, March, 6. Currents (RCA Digital Satellite System), John Eargle, March, 24. Noise Shaping: 19 Bits in a 16-Bit Sack?, D. W. Fostle, March, 32 (Addendum, May, 7). Fast Fore-Word (HDCD), Michael Riggs, April, 4. Spectrum (DVD buzz), Ivan Berger, April, 20. Digital Deliverance: Noise Shaping, HDCD, and Other Alternatives, D. W. Fostle, April, 26. Mondo Audio (Audio Alchemy Enhanced Digital Resolution System), Ken Kessler, May, 24. Spectrum (Delos Virtual Reality Recording surround CDs), Edward M. Long, June, 32. Currents (DVD delay), John Eargle, Sept., 32. Currents (Sony Direct Stream Digital recording), John Eargle, Oct., 32. DSP in Audio: The Promise, Reality, and Future of Digital Signal Processing, Ken Kantor, Dec., 26.

DVD Fast Fore-Word, Michael Riggs, March, 6. Spectrum (DVD buzz), Ivan Berger, April, 20. Fast Fore-Word (copy protection), Michael Riggs, June, 6. Spectrum (DVD update), Ivan Berger, June, 30. Front Row (predictions on success or failure), Corey Greenberg, July, 26. Currents (DVD delay), John Eargle, Sept., 32. DIRECTORIES Annual Equipment Directory, October Introduction, 49; CD Players & Transports, 52; D/A Converters, 64; Amplifiers, 71; Preamplifiers, 110; Tuners, 136; Receivers, 137; Turntables, 142; Tonearms, 144; Phono Cartridges, 146; Headphones, 150; Analog Cassette Decks, 158; Digital Player/Recorders,

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162; Blank Tapes & Discs, 162; Equalizers, 164; Surround Sound & Ambience Processors, 166; Signal Processors, 174; Crossovers, 164; Speaker Cables, 182; Loudspeakers, 194; Company Addresses, 337. Annual Equipment Directory Addenda, November Analog Interconnects, 82; Digital Interconnects, 94. EMERGING TECHNOLOGIES Fast Fore- Word (DVD), Michael Riggs, March, 6. Spectrum (Bose Modeler and Auditioner computer programs for designing a building's acoustics), Ivan Berger, March, 20. Spectrum (DVD buzz), Ivan Berger, April, 20. Fast Fore-Word (copy protection of new digital formats), Michael Riggs, June, 6. Spectrum (DVD update), Ivan Berger, June, 30. Spectrum (Delos Virtual Reality Recording surround CDs), Edward M. Long, June, 32. Front Row (predictions on DVD's success or failure), Corey Greenberg, July, 26. Currents (DVD delay), John Eargie, Sept., 32. Front Row (computer industry meddling with hi-fi), Corey Greenberg, Sept., 38. Currents (Sony Direct Stream Digital recording), John Eargle, Oct., 32. EQUIPMENT PROFILES Acoustic Research 312 HO Loudspeaker, Dec., 60. AKG Acoustics K 290 Surround Headphones ("PlayBack"), Aug., 96. Allsop StrongBox CD Box ("PlayBack"), May, 96. AMC AV81HT Preamplifier/Surround Processor ("Auricle"), Jan., 72. Angstrom 200 A/V Preamplifier/Processor ("Auricle"), Feb., 66. Apollo CKD Speaker Stands ("PlayBack"), Sept., 104. Aragon 8008ST Amplifier, June, 46. Atlantic Technology System 250.1 Home Theater Speakers ("Auricle"), Dec., 78. Audio Advisor ELFIX AC Polarity Tester ("PlayBack"), April, 96.

Audio Alchemy DTI-Pro 32 Digital Interface ("Auricle"), July, 68. Audio Alchemy HPA v1.0 Headphone Amplifier ("PlayBack"), Dec., 128. Audio By Van Alstine Qmega III 440hc Amplifier and FET Valve EC Preamplifier ("PlayBack"), April, 96. AudioQuest 7000Fe5 Phono Cartridge ("PlayBack"), June, 96. AudioSource Project One Loudspeaker ("PlayBack"), July, 96. Audio-Technica AT-ML150 Phono Cartridge ("PlayBack"), Jan., 128. Audix Nile X Loudspeaker ("PlayBack"), June, 96. Bir6 t2c Digital Interface ("PlayBack"), Nov., 120. Bryston 4B ST Amplifier, Feb., 46. B&W 803 Matrix Series 2 Loudspeaker ("PlayBack"), Feb., 96. Carver AV-705x Five-Channel Amplifier, Sept., 64. Case Logic CDV-12 CD Visor ("PlayBack"), Dec., 128. Castle Acoustics Isis Loudspeaker ("PlayBack"), Nov., 120. Classe Audio CP-60 Preamplifier ("Auricle"), May, 66. conrad-johnson MF2300-A Amplifier ("Auricle"), March, 74. Continuum 4-3-2 Four-Channel Amplifier, Aug., 54. Creek Audio OBH-11 Headphone Amplifier ("PlayBack"), July, 96. Digital Phase AP-2.1 Loudspeaker, Nov., 42. Dynaclear Postman Wrench ("PlayBack"), May, 96. Dynaco CDV-1 CD Player, Feb., 56. Dynaco Stereo-80 Amplifier ("PlayBack"), May, 96. EAD TheaterMaster Dolby Digital (AC-3) Surround Processor, March, 42 (Addendum, April, 6). Egglestonworks Andra Loudspeaker ("Auricle"), Feb., 62. Eosone Millennium Home Theater Speaker System ("Auricle"), Nov., 70. Esoteric Sound Aten Turntable ("PlayBack"), March, 96. Galaxy Audio Cricket Polarity/Continuity Tester ("PlayBack"), Aug., 96. Golden Sound DH Cone Feet ("PlayBack"), April, 96. Hafler Trans-Nova 9505 Amplifier, April, 44. Hales Design Group Concept Five Loudspeaker ("Auricle"), Dec., 86.

Harman Kardon Citation 7.0 A/V Preamplifier/Processor, April, 36. Infinity Compositions P-FR Loudspeaker, March, 52. Jamo SW 505E Powered Subwoofer, July, 60. JBL HT Series THX Loudspeakers, Jan., 66. Jensen RA 2040CLX Car Amplifier ("PlayBack"), Sept., 104. JoLida SJ 302A Integrated Amplifier, March, 70 (Addendum, April, 6). KEF Reference Series Model Four Loudspeaker, June, 50. Kimber Kable Speaker Cables ("PlayBack"), Nov., 120. Lamm Audio Laboratory L1 Preamplifier ("PlayBack"), March, 96. Lexicon DC-1/THX A/V Preamplifier/Processor, May, 42. Lexicon 412 Four-Channel Amplifier, Dec., 70. MacTec EZ-CD CD Opener ("PlayBack"), Aug., 96. Marantz SM-5 Amplifier and SC-5 Preamplifier, Jan., 56. Marantz SR-96 A/V Receiver, Aug., 48. Marantz DP870 Dolby Digital (AC-3) Surround Decoder, Nov., 52. Martin-Logan SL3 Loudspeaker ("Auricle"), Jan., 81. McIntosh MCD7009 CD Player, Jan., 41. Meridian 565 Digital Surround Processor ("Auricle"), Sept., 84. Mesa Engineering Baron Amplifier, Dec., 50. Mirage MBS-2 Satellites, BPSS-210 Subwoofer, and LFX-2 Crossover, Sept., 70. Mission 735 Loudspeaker, Jan., 46. Muse Electronics Model Two D/A Converter ("Auricle"), Jan., 84. NHT SuperOne Loudspeaker ("Auricle"), Aug., 68. NHT VT-1A A/V Loudspeaker ("PlayBack"), June, 96. NSM 10S Loudspeaker, April, 50. NuReality Vivid 3D Theater SRS Processor ("Auricle"), April, 74 (Addendum, June, 14). Onkyo TX-SV919THX Receiver ("PlayBack"), Jan., 128. Panasonic PV-4564 VHS Hi-Fi VCR ("PlayBack"), Feb., 96. Paradigm Reference Studio/100 Loudspeaker, July, 46. Paradigm Micro/SB-90 Home Theater Speaker System ("Auricle"), Nov., 76. Parasound P/LD-2000 Preamplifier, May, 48. Parasound HCA-2003 Three-Channel Amplifier, Nov., 32.

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Pass Laboratories Aleph 1 Mono Amplifier ("Auricle"), Feb., 72. Pass Laboratories Aleph-P Preamplifier, Nov., 60. Philips Key Modules IS 5021 Digital Signal Processor, Aug., 58. Pioneer Elite PDR-99 CD Recorder, Feb., 36. Platinum Audio Duo Loudspeaker, May, 54. Polk Audio Signature Reference Theater Speaker System ("Auricle"), Sept., 80. PS Audio Lambda Two CD Transport and SL Three D/A Converter ("Auricle"), June, 60. Salamander Designs Archetype Modular Shelving ("PlayBack"), Feb., 96. Sennheiser HD 580 Precision Earphones, June, 56. Shure V15VxMR Phono Cartridge ("PlayBack"), Dec., 128. Sonance DL1200 Powered Subwoofer, Sept., 76. Sonic Frontiers Power-3 Mono Amplifier, Aug., 64. Sony CDP-XA7ES CD Player, March, 62. Soundwave VR-3.5 Loudspeaker ("Auricle"), Aug., 72. Spatializer HTMS-2510 Stereo-Image Processor ("Auricle"), June, 66. Spectron 1KW Switching Amplifier, July, 64. SRD Speakerworks VM-1 Center-Channel Speaker ("PlayBack"), Sept., 104. Staedtler Erasable Cassette Labels ("PlayBack"), Jan., 128. Tascam DA-P1 Portable DAT Recorder ("PlayBack"), July, 96. Technics SE-A1000 Amplifier and SU-C1000 Preamplifier, May, 62. Technics SA-TX50 Home THX Receiver, Dec., 40. Tekna Sonic C-5 and C-10 Vibration Absorbers ("PlayBack"), March, 96. Theta Digital Data III CD Transport and DS Pro Generation V-a D/A Converter ("Auricle"), April, 70. VAC Renaissance Seventy/Seventy Amplifier and CPA1 Mk II Preamplifier ("Auricle"), May, 68. VPI TNT III Turntable with Flywheel ("Auricle"), Jan., 90. VPI JMW Memorial Tonearm ("Auricle"), June, 69. Wilson Audio Specialties WATT V/Puppy V Loudspeaker System, Feb., 50. Yamaha RX-V2090 A/V Receiver and DDP-1 Dolby Digital (AC-3) Decoder, April, 58. Yamaha DSP-A3090 A/V Integrated Amplifier, July, 52.

HISTORY The Audio Interview: Arnie Nudell, David Lander, July, 40. Fast Fore-Word (audiophile recordings of reproducing pianos), Michael Riggs, Sept., 6. Mondo Audio (vintage audio gear), Ken Kessler, Nov., 22. Mondo Audio (vintage and reissued audio gear), Ken Kessler, Dec., 22. HOME THEATER & SURROUND SOUND Fast Fore-Word (surround sound for music), Michael Riggs, Feb., 4. Multichannel Music Recording: A View from the Console, Daniel Sweeney, Feb., 20. The Audio Interview: M&K's Ken Kreisel, Daniel Levitin, Feb., 28. Currents (RCA Digital Satellite System), John Eargle, March, 24. Spectrum (Delos Virtual Reality Recording surround CDs), Edward M. Long, June, 32. Placing the Bass: Two Subs in a Corner Beats Five in the Round, Tom Nousaine, June, 40. Fast Fore-Word (VLS Auri headphone surround system), Michael Riggs, July, 4. Tuning Up for Surround Sound: Tips on Getting the Room Right, Thomas R. Horrall, Aug., 40. DSP in Audio: The Promise, Reality, and Future of Digital Signal Processing, Ken Kantor,

Dec., 26. INTERVIEWS Herb Belkin, Ken Kessler, Jan., 32. Ken Kreisel, Daniel Levitin, Feb., 28. Mark Isham, John Diliberto, May, 36. Arnie Nudell, David Lander, July, 40. Kavi Alexander, Bruce Bartlett with Jenny Bartlett, Dec., 34. LISTENING& L I S T E N I N GR O O M S Placing the Bass: Two Subs in a Corner Beats Five in the Round, Tom Nousaine, June, 40. Tuning Up for Surround Sound: Tips on Getting the Room Right, Thomas R. Horrall,

Aug., 40. DSP in Audio: The Promise, Reality, and Future of Digital Signal Processing, Ken Kantor,

Placing the Bass: Two Subs in a Corner Beats Five in the Round, Tom Nousaine, June, 40. Spectrum (B&W's Prism speaker enclosure), Ivan Berger, July, 24. The Audio Interview: Arnie Nudell, David Lander, July, 40. Tuning Up for Surround Sound: Tips on Getting the Room Right, Thomas R. Horrall, Aug., 40. MISCELLANEOUS Spectrum (Elcom and Terk Technologies multiroom A/V distribution systems), Ivan Berger, April, 25. Mondo Audio (newsletters from audio manufacturers), Ken Kessler, Aug., 38. OBITUARY Peter W. Mitchell, May, 22. PSYCHOACOUSTICS Noise Shaping: 19 Bits in a 16-Bit Sack?, D. W. Fostle, March, 32 (Addendum, May, 7). Upside-Down Sound: Listening for Polarity Inversion, Edward M. Long, July, 34. Fast Fore-Word (VLS Auri headphone surround system), Michael Riggs, July, 4. RECORDING The Audio Interview: Mobile Fidelity's Herb Belkin, Ken Kessler, Jan., 32. Fast Fore-Word (surround sound for music), Michael Riggs, Feb., 4. Multichannel Music Recording: A View from the Console, Daniel Sweeney, Feb., 20. Noise Shaping: 19 Bits in a 16-Bit Sack?, D. W. Fostle, March, 32 (Addendum, May, 7). Digital Deliverance: Noise Shaping, HDCD, and Other Alternatives, D. W. Fostle, April, 26. The Audio Interview: Mark Isham, John Diliberto, May, 36. Spectrum (Delos Virtual Reality Recording surround CDs), Edward M. Long, June, 32. Mixing It Up: The Modern Art of Studio Recording, Daniel J. Levitin, Sept., 46. Currents (Sony Direct Stream Digital recording), John Eargle, Oct., 32. The Audio Interview: Kavi Alexander, Bruce Bartlett with Jenny Bartlett, Dec., 34.

Dec., 26. R E I S S U E DR E C O R D I N G S LOUDSPEAKERS The Audio Interview: M&K's Ken Kreisel, Daniel Levitin, Feb., 28. More Bass in Less Space: A New Approach to Subwoofer Design, Matthew Polk, May, 28.

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The Audio Interview: Mobile Fidelity's Herb Belkin, Ken Kessler, Jan., 32. Front Row (Norton Records rock 'n' roll reissues and new releases), Corey Greenberg, Oct., 28.

Spectrum (voice synthesis by computer), Ivan Berger, Nov., 32.

ADDENDA Equipment Profile: Marantz DP870 Dolby Digital Surround Decoder (Nov. 1996, 52),

Jan., 12. Equipment Profile: Pass Laboratories AlephP Preamplifier (Nov. 1996, 60), Jan., 12. Equipment Profile: Manley Laboratories Reference D/A Converter (Jan., 72), April, 8. Equipment Profile: Digital Phase AP-2.1 Loudspeaker (Nov. 1996, 42), April, 58. Auricle: Paradigm Reference Active/20 Powered Loudspeaker (Sept., 86), Nov., 13. ANNIVERSARY OF AUDIO MAGAZINE Fast Fore-Word (reflections on Audio's origins), Michael Riggs, May, 8. Through the Looking Glass (vintage ads), Michael Riggs, May, 103. CABLES & CONNECTORS Mondo Audio (standardizing speaker connectors), Ken Kessler, April, 26. Fast Fore-Word (cables for home theater), Michael Riggs, July, 6. CAR STEREO Spectrum (Blaupunkt's "5 Series" head units), Ivan Berger, Jan., 26. Spectrum (Mercedes/Bose car systems), Ivan Berger, March, 16. Spectrum (innovations in head units), Ivan Berger, July, 20. Spectrum (innovations in speaker drivers), Ivan Berger, Aug., 18. Spectrum (RDS-equipped head units), Ivan Berger, Oct., 34. Spectrum (making speaker drivers more rugged), Ivan Berger, Oct., 36. COMPUTERS AND AUDIO Cyber Stereo: Audio Over the Internet, Gordon Brockhouse, Sept., 46.

DVD Fast Fore-Word (Audio Engineering Society convention), Michael Riggs, Feb., 6. DVD Unraveled, Edward J. Foster, April, 30. Mondo Audio (premature launch of DVD), Ken Kessler, June, 26. Front Row (DVD's growing pains), Corey Greenberg, July, 32. The Big Squeeze: The Theory and Practice of Dolby Digital, Mark F. Davis, July, 36. Fast Fore-Word (DVD authoring), Michael Riggs, Aug., 6. Understanding MPEG-2: How They Get All That Video on Those Little Discs, Edward J. Foster, Sept., 36. Fast Fore-Word (Divx versus DVD), Michael Riggs, Nov., 8. Fast Fore-Word (multichannel music on CD and DVD), Michael Riggs, Dec., 8. Currents (multichannel recording for CD and DVD), John Eargle, Dec, 28. DIGITAL TECHNOLOGY & TECHNIQUES Spectrum (Sony TCD-D7 portable DAT recorder and JVC GR-DV1 digital camcorder), Ivan Berger, Jan., 27. Fast Fore-Word (Audio Engineering Society convention), Michael Riggs, Feb., 6. Spectrum (record companies and copyright protection), Ivan Berger, April, 25. DVD Unraveled, Edward J. Foster, April, 30. Spectrum (Pioneer CT-W616DR cassette deck with Digital Processing System), Ian G. Masters, May, 32. The Future of Stereo, Floyd E. Toole, Part I, May, 126; Part II, June, 34. The Big Squeeze: The Theory and Practice of Dolby Digital, Mark F. Davis, July, 36. Spectrum (using digital technology to improve dynamic range), Ivan Berger, Aug., 20. Understanding MPEG-2: How They Get All That Video on Those Little Discs, Edward J. Foster, Sept., 36.

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DIRECTORY Annual Equipment Directory, October Introduction, 65; CD & DVD Players, 68; D/A Converters, 80; Amplifiers, 85; Preamplifiers, 127; Tuners, 143; Receivers, 144; Turntables, 150; Tonearms, 152; Phono Cartridges, 153; Headphones, 157; Cassette Decks, 163; Digital Player/Recorders, 164; Blank Tapes & Discs, 165; Equalizers, 167; Surround Sound & Ambience Processors, 168; Signal Processors, 176; Crossovers, 179; Speaker Cables, 181; Loudspeakers, 193; Company Addresses, 319. EMERGING TECHNOLOGIES Mondo Audio ( V e r i t y Group's flat-panel NXT speaker technology), Ken Kessler, Feb., 24. Spectrum (data buses in car systems), Ivan Berger, March, 16. Fast Fore-Word (Directed Stick Radiator loudspeaker), Michael Riggs, Aug., 6. Spectrum (using d i g i t a l technology to improve dynamic range), Ivan Berger, Aug., 20. Mondo Audio (Audio Virtual Standard's "3D" audio system), Ken Kessler, Sept., 30. Cyber Stereo: Audio Over the Internet, Gordon Brockhouse, Sept., 46. Spectrum (voice synthesis by computer), Ivan Berger, Nov., 32. You Say You Want a Revolution: Speaker Designers Have a Few To Offer You, Ivan Berger, Nov., 47. Fast Fore-Word (multichannel music on CD and DVD), Michael Riggs, Dec., 8. Currents (multichannel recording for CD and DVD), John Eargle, Dec., 28. EQUIPMENT REVIEWS ADS MS3/U Powered Subwoofer ("Boom for the Buck"), Jan., 36. AKG K501 Earphones, July, 64. Adcom GFA-5802 Amplifier and GFP-750 Preamplifier ("Auricle"), Dec., 90. Anthem Pre-1 Preamplifier, April, 52. Apogee Acoustics Slant 6 Loudspeaker ("Auricle"), April, 66.

Audio Alchemy DDS-Pro CD Transport and DDE v3.0 D/A Converter ("Auricle"), Jan., 88. Audio by Van Alstine FET-Valve Topp D/A Converter ("PlayBack"), March, 96. AudioControl SA-3052 Portable Real-Time Analyzer ("PlayBack"), Nov., 124. AudioSource Amp Three Amplifier, July, 60. Ayre Acoustics K-1 Preamplifier, Dec., 82. B&W 800 ASW Powered Subwoofer ("Boom for the Buck"), Jan., 36. BIC America Venturi V-604 Loudspeaker, March, 46. Bag End S18E-O Powered Subwoofer ("Boom for the Buck"), Jan., 36. Boston Acoustics VR2000 Powered Subwoofer, Jan., 54. California Audio Labs CL-5 CD Changer, March, 52. Cambridge SoundWorks Tower Loudspeaker ("Auricle"), Jan., 80. Carver A-760x Amplifier, May, 164. Celestion A3 Loudspeaker, Aug., 48. Classe Audio CDP-.5 CD Player and CAP100 Integrated Amplifier, July, 54. Coincident Speaker Technology Digital Master Loudspeaker ("Auricle"), Feb., 72. Denon AVR-5600 A/V Receiver, March, 34. Denon DVD-2000 DVD Player, Nov., 88. Dodson Audio DA-217 D/A Converter ("PlayBack"), Jan., 112. Dynaclear Tweeter Lens Anti-Diffraction Rings ("PlayBack"), Feb., 96. Elcom Technologies ezAUDIO Multiroom Extender ("PlayBack"), April, 96. Genesis Technologies Genesis V Loudspeaker ("Auricle"), Feb., 64. Genesis Technologies Digital Lens Anti-Jitter Device ("Auricle"), Aug., 74. Grado Laboratories SR40 Headphone ("PlayBark"), Aug., 96. Harman Kardon ADP303 Dolby Digital Decoder ("Front Row"), Jan., 28. Houston GSP-02 Amplifier, Aug., 56. Hsu Research HRSW 12V Powered Subwoofer ("Boom for the Buck"), Jan., 36. JBL SVA1600 Loudspeaker, Dec., 72. JVC FS-2000 Mini Stereo System ("PlayBack"), Sept., 112. Jamo Hi-Fi Concert 8 and Concert Center Speakers, May, 154. Joseph Audio RM7si Loudspeaker, July, 46. KEF RDM One Loudspeaker, Sept., 72. Kenwood KC-Z1 A/V Tuner/Preamp, Feb., 42.

Krell Audio+Video Standard Preamp/Surround Processor ("Auricle"), Dec., 102. Legacy Audio High Current Preamplifier ("PlayBack"), Nov., 124. Mark Levinson No. 31.5 CD Transport ("Auricle"), May, 172. Liberty Audiosuite 2.0 Computerized Measurement System, Feb., 58. Lyle Cartridges Phono Alignment Tool ("PlayBack"), June, 96. M&K Sound MX-150THX Powered Subwoofer, Feb., 50. MB Quart Domain D55 Loudspeaker, June, 64. Manley Laboratories Reference D/A Converter, Jan., 72 (Addendum, April, 8). Marantz CD-17 CD Player, Feb., 54. Marantz Model 7 Preamplifier and Model 9 Mono Amplifier ("Auricle"), June, 72. Marantz SR-880 A/V Receiver, Nov., 72. Monster Cable RF Splitters ("PlayBack"),

Feb., 96. Monster Cable Light Speed 100 Toslink Digital Interconnect ("PlayBack"), July, 96. Monster Cable System Polarity Analyzer ("PlayBack"), Oct., 330. Musical Fidelity X-DAC D/A Converter, June, 58. Musical Fidelity X-CANS Headphone Amplifier ("PlayBack"), Nov., 124. NAD 512 CD Player and 314 Integrated Amplifier ("Auricle"), Feb., 66. NAD 118 Digital Preamplifier, Aug., 62. N.E.A.R. 15M Loudspeaker, June, 52. NHT 2.9 Loudspeaker ("Auricle"), Dec., 96. Nakamichi IA-1z A/V Integrated Amplifier, Dec., 58. Onkyo Integra A-9911 Integrated Amplifier ("PlayBack"), Aug., 96. Optimus Pro LX 10 Loudspeaker ("PlayBack"), Dec., 128. Panasonic DVD-A300 DVD Player, April, 38. Paradigm Mini Monitor Loudspeaker ("Front Row"), June, 30. Paradigm Reference Active/20 Powered Loudspeaker, ("Auricle"), Sept., 86 (Addendum, Nov., 13). Parasound R/EQ-150 Room Equalizer ("PlayBack"), Dec., 128. Pass Laboratories Aleph 1.2 Mono Amplifier ("Auricle"), July, 73. Pass Laboratories Aleph 2 Amplifier ("PlayBack"), Sept., 112.

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Per Madsen RackIt System 19 Equipment Rack ("PlayBack"), March, 96. Pioneer Elite DVL-90 DVD/Laserdisc Player, April, 42. Pioneer DEH-P835R Car Stereo ("Spectrum"), Sept., 24. Polk Audio RT7 Speaker and PSW300 Powered Subwoofer, April, 46. Polyfusion Audio 960 Amplifier, March, 62. Proceed CDP CD Player, June, 48. Proton KS-530CD Under-Cabinet Radio/ CD Player ("PlayBack"), Sept., 112. RCA RC5200P DVD Player ("Auricle"), March, 66. REL Stentor II Powered Subwoofer ("Auricle"), April, 64. Radio Shack VoiceMemo Digital Recorder ("PlayBack"), April, 96. Rane SSE 35 Home Theater Equalizer ("PlayBack"), Jan., 112. Recoton W410 Portable Outdoor/Indoor Speaker ("PlayBack"), Oct., 330. Rogue Audio Sixty-Six Preamplifier ("PlayBack"), Dec., 128. Rotel RR-990 Remote Control ("PlayBack"), July, 96. Rotel RSP-980 A/V Preamp/Processor and RDA-980 Dolby Digital Decoder, Aug., 42. Scheib CD DiscDividers ("PlayBack"), Jan., 112. Snell Acoustics RCS 1000 Room-Correction System ("Auricle"), Nov., 96. Sonic Frontiers Line 3 Preamplifier, Sept., 78. Sonus Faber Concerto Loudspeaker ("Front Row"), June, 30. Sony DTC-ZA5ES DAT Recorder, Jan., 62. Sony DVP-S7000 DVD Player, May, 144. Sony SDP-EP9ES Dolby Digital Surround Processor, July, 42. Sony MDM-X4 Multitrack MiniDisc Recorder ("PlayBack"), Aug., 96. Sony SBM-1 Super Bit Mapping A/D Converter ("PlayBack"), Oct., 330. Spirit Folio Notepad Eight-Input Mixer ("PlayBack"), April, 96. Sunfire Cinema Grand Five-Channel Amplifier, Jan., 44. Sunfire True Subwoofer Mark II Powered Subwoofer, Nov., 64. Tekna Sonic C-12 Subwoofer Vibration Absorber ("PlayBack"), July, 96. Theta Digital Casablanca Surround Preamplifier ("Auricle"), April, 60. Thiel CS6 Loudspeaker ("Auricle"), Aug., 70.

Threshold T800D Amplifier, Nov., 80. Toshiba SD-3006 DVD Player, July, 50. VLS Auri Headphone Surround Processor ("Auricle"), July, 70. VMPS FF-3 Loudspeaker ("Auricle"), March, 72. Velodyne F-1500R Powered Subwoofer ("Boom for the Buck"), Jan., 36. Velodyne F-1800RII Powered Subwoofer, March, 58. Velodyne VA-1215XII Powered Subwoofer ("PlayBack"), June, 96. Wadia 27 D/A Converter ("Auricle"), April, 70. Westlake Audio Lc 8.1 Loudspeaker ("PlayBack"), June, 96. Wheaton Triplanar Ultimate Tonearm ("PlayBack"), Feb., 96. Whirlwind Cable Tester ("PlayBack"), March, 96. Yamaha RX-V2092 A/V Receiver, Sept., 54. HISTORY Fast Fore-Word (reflections on Audio's origins), Michael Riggs, May, 8. Spectrum (PCM turns 50), Ivan Berger, May, 32. Glorious Beginnings: A Golden Anniversary Celebration of Audio's Earliest Years, David Lander, May, 45. Audio Milestones: The March of Technology, Ivan Berger, May, 59. 50 Years and More of Record Playing, Joseph Grado, May, 60. 50 Years of Amplifiers, Bascom H. King, May, 71. 50 Years of Home Recording, Robert Long, May, 76. 50 Years of Loudspeakers, Ken Kantor, May, 85. 50 Years of Follies—Ideas That Didn't Fly, Robert Long, May, 95. Through the Looking Glass (vintage ads), Michael Riggs, May, 103. The Future of Stereo, Floyd E. Toole, Part I, May, 126; Part II, June, 34. Spectrum (remembering mono), Ivan Berger, June, 20. Mondo Audio (EMI's 100th anniversary commemorative reissues), Ken Kessler, July, 28. Spectrum (collecting classic transistor radios), David Lander, Aug., 23. The Audio Interview: Sandy Berlin, David Lander, Aug., 36. Fast Fore-Word (25th anniversary of the

Boston Audio Society), Michael Riggs, Sept., 8. Spectrum (singles versus albums), Ivan Berger, Nov., 34. The Audio Interview: Mike McLean, D. W. Fostle, Part I, Nov., 56; Part II, Dec., 50.

Spectrum (making speaker drivers more rugged), Ivan Berger, Oct., 36. You Say You Want a Revolution: Speaker Designers Have a Few To Offer You, Ivan Berger, Nov., 47. MINIDISC (MD)

HOME THEATER & SURROUND SOUND Fast Fore-Word (Subwoofers), Michael Riggs, Jan., 8. Front Row (affordable Dolby Digital addons), Corey Greenberg, Jan., 28. Front Row (Home THX certification), Corey Greenberg, March, 20. The Future of Stereo, Floyd E. Toole, Part I, May, 126; Part II, June, 34. The Big Squeeze: The Theory and Practice of Dolby Digital, Mark F. Davis, July, 36. Spectrum (Spatializer "3-D" Stereo in Toshiba SD-3107 DVD player), Ivan Berger, Nov., 30. INTERVIEWS Peter McGrath, David Lander, Feb., 36. Sandy Berlin, David Lander, Aug., 36. Mike McLean, D. W. Fostle, Part I, Nov., 56; Part II, Dec, 50. LISTENING & LISTENING ROOMS Flying Blind: The Case Against Long-Term Listening, Tom Nousaine, March, 26. The Future of Stereo, Floyd E. Toole, Part I, May, 126; Part II, June, 34. The Science of Listening, Ian G. Masters, Dec., 40. LOUDSPEAKERS Fast Fore-Word (Subwoofers), Michael Riggs, Jan., 8. Boom for the Buck: How Much Woof Does a Sub Buck Buy?, Tom Nousaine, Jan., 36. Mondo Audio (Verity Group's flat-panel NXT speaker technology), Ken Kessler, Feb., 24. Crossing Over: The Misunderstood World of Cutoffs, Slopes, and Response Shaping, Ken Kantor, Feb., 30. The Future of Stereo, Part I, Floyd E. Toole, May, 126. Fast Fore-Word (Directed Stick Radiator loudspeaker), Michael Riggs, Aug., 6. Spectrum (innovations in car speaker drivers), Ivan Berger, Aug., 18. Speaker Design: From the Outside In, Karen Winner, Aug., 32.

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Spectrum (status of MiniDisc), Ivan Berger, May, 34. MISCELLANEOUS Mondo Audio (Musical Fidelity X-Series components), Ken Kessler, March, 22. Spectrum (personal stereos and hearing damage), Ivan Berger, April, 24. Mondo Audio (mainstream press's disrespect for audiophiles), Ken Kessler, May, 38. Front Row (rediscovering 8-track), Corey Greenberg, May, 40. Fast Fore-Word (online misinformation and grumpy audiophiles), Michael Riggs, June, 6. Spectrum (using equalizers), Ivan Berger, July, 24. Fast Fore-Word (simplifying audio components and connections), Michael Riggs, Oct., 8. Mondo Audio (audio globalization), Ken Kessler, Oct., 38. Front Row (three-month dealer tour), Corey Greenberg, Oct., 44. Mondo Audio (challenges faced by British dealers), Ken Kessler, Nov., 36. Mondo Audio (industry gossiping), Ken Kessler, Dec., 34. MULTICHANNEL AUDIO The Future of Stereo, Floyd E. Toole, Part I, May, 126; Part II, June, 34. The Big Squeeze: The Theory and Practice of Dolby Digital, Mark F. Davis, July, 36. Mondo Audio (Audio Virtual Standard's "3D" audio system), Ken Kessler, Sept., 30. Fast Fore-Word (multichannel music on CD and DVD), Michael Riggs, Dec., 8. Currents (multichannel recording for CD and DVD), John Eargle, Dec., 28. PSYCHOACOUSTICS Flying Blind: The Case Against Long-Term Listening, Tom Nousaine, March, 26. The Future of Stereo, Floyd E. Toole, Part I, May, 126; Part II, June, 34. The Big Squeeze: The Theory and Practice of Dolby Digital, Mark F. Davis, July, 36.

The Science of Listening, Ian G. Masters,

Dec., 40. RADIO BROADCAST & RECEPTION Spectrum (innovations in car head units), Ivan Berger, July, 20. Spectrum (RDS-equipped car head units), Ivan Berger, Oct., 34. RECORDING Spectrum (Sony TCD-D7 portable DAT recorder and JVC GR-DV1 digital camcorder), Ivan Berger, Jan., 27. The Audio Interview: Peter McGrath, David Lander, Feb., 36. Spectrum (Pioneer CT-W616DR cassette deck with Digital Processing System), Ian G. Masters, May, 32. Dorian Live, David Lander, June, 40. Front Row (Sonic Studios DSM-6S stereo microphones), Corey Greenberg, Aug., 28. The Audio Interview: Mike McLean, D. W. Fostle, Part I, Nov., 56; Part II, Dec., 50. REISSUED RECORDINGS Buried Treasure: Sony Classical's Masterworks Heritage Reissue Series, Alan Lofft, March, 32. Mondo Audio (EMI's 100th anniversary commemorative reissues), Ken Kessler, July, 28. Front Row (Eddie Kramer's MCA Jimi Hendrix remasters), Corey Greenberg, Nov., 40. THEATER SOUND Spectrum (giant-screen "3-D" and Binaural surround sound at IMAX theaters), John Sunier, Oct., 32.

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Front Row (Event Electronics Gina sound card), Corey Greenberg, Dec., 20. Setting Up a Home Studio, Ken Kessler, Dec., 27. ACOUSTICS Birth of the Boom: Room Acoustics at Low Frequencies, Tom Nousaine, June, 32. ADDENDA Equipment Profile: Infinity Compositions Overture 3 Speaker (Feb., 42), June, 8. Equipment Profile: Z-Systems RDP-1 Digital Preamplifier (April, 64), June, 9. Equipment Profile: Paradigm Reference Servo-15 Powered Subwoofer (April, 68),

Aug., 6. AMPLIFIERS Spectrum (amplifier power ratings), Ivan Berger, July, 16. Mondo Audio (Nagra MPA amplifier), Ken Kessler, Aug., 16. BOOK REVIEWS The Home Theater Companion by Howard Ferstler ("Fast Fore-Word"), Aug., 4. Sound for Film and Television by Tomlinson Holman ("Fast Fore-Word"), Aug., 4. The Search for Musical Ecstasy by Harvey Rosenberg ("Fast Fore-Word"), Aug., 4.

CD-R Living with CD-R: A User's Guide to CD Recording, Robert Long, Feb., 24. Spectrum (collecting music royalties on digital recording media), Ivan Berger, July, 18. CAR STEREO Spectrum (coping with road noise; identifying radio stations), Ivan Berger, April, 16. Spectrum (amplifier power ratings), Ivan Berger, July, 16. COMPUTERS AND AUDIO Spectrum (MP3 audio compression standard), Stephan Somogyi, Nov., 20.

CONSTRUCTION PROJECTS Front Row (shielding a turntable and phono cartridge with mu-metal), Corey Greenberg, July, 22.

DVD Currents (Super Audio CD and Direct Stream Digital), John Eargle, Jan., 20. Fast Fore-Word (DVD-Audio update), Michael Riggs, March, 6. Spectrum (Hide & Seek Technologies timelimited and play-limited discs), Ivan Berger, March, 20. Digital Audio for the Future, J. Robert Stuart, Part 1, March, 30; Part 2, April, 30. Fast Fore-Word (DVD-Audio versus Super Audio CD), Michael Riggs, May, 4. The Softer Side of DVD: Movies on DVD, Rad Bennett, May, 28. Fast Fore-Word (copy protection; Divx), Michael Riggs, June, 4. 96/24: Digital Heaven or Digital Hell?, Bob Katz (Digital Heaven), July, 26; Ken Kantor (Digital Hell), July, 27. 96/24 on DVD: First Impressions of the 96kHz/24-Bit Stereo Music DVDs from Chesky and Classic Records, Anthony H. Cordesman, July, 32. THX Meets DVD, Edward J. Foster, Aug., 24. Front Row (NetFlix online DVD rental service), Corey Greenberg, Oct., 28. Fast Fore-Word (DTS and DVD-Audio), Michael Riggs, Dec., 4. DIGITAL TECHNOLOGY & TECHNIQUES Currents (Super Audio CD and Direct Stream Digital), John Eargle, Jan., 20. Mondo Audio (Z-Systems RDP-1 digital preamplifier), Ken Kessler, Jan., 24. Front Row (AES Convention, fall 1997), Corey Greenberg, Jan., 28.

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Digital Radio, Today and Tomorrow, John Gatski, Jan., 32. DMX By Satellite: A User Report, Ian G. Masters, Jan., 34. Fast Fore-Word (advancements in digital signal processing), Michael Riggs, Feb., 4. Living with CD-R: A User's Guide to CD Recording, Robert Long, Feb., 24. Fast Fore-Word (DVD-Audio update), Michael Riggs, March, 6. Digital Audio for the Future, J. Robert Stuart, Part 1, March, 30; Part 2, April, 30. Fast Fore-Word (digital radio standards; digital home recording), Michael Riggs, April, 4. Fast Fore-Word (96-kHz/24-bit recordings), Michael Riggs, July, 4. 96/24: Digital Heaven or Digital Hell?, Bob Katz (Digital Heaven), July, 26; Ken Kantor (Digital Hell), July, 27. 96/24 on DVD: First Impressions of the 96kHz/24-Bit Stereo Music DVDs from Chesky and Classic Records, Anthony H. Cordesman, July, 32. Fast Fore-Word (compressed versus uncompressed digital), Michael Riggs, Oct., 8. Hot-Wiring Your Hi-Fi: How the IEEE-1394 Digital Interface Will Change Your Life, Mark Bridgwater, Nov., 28. DIRECTORY A n n u a l Equipment Directory, October Introduction, 33; CD & DVD Players, 36; D/A Converters, 50; Amplifiers, 58; Preamplifiers, 92; Tuners, 108; Receivers, 110; Turntables, 116; Tonearms, 118; Phono Cartridges, 120; Headphones, 124; Cassette Decks, 130; Digital Player/Recorders, 132; Equalizers, 134; Surround Sound & Ambience Processors, 136; Signal Processors, 144; Crossovers, 146; Speaker Cables, 148; Loudspeakers, 160; Company Addresses, 286. EMERGING TECHNOLOGIES Currents (Super Audio CD and Direct Stream Digital), John Eargle, Jan., 20.

Fast Fore-Word (DVD-Audio versus Super Audio CD), Michael Riggs, May, 4. Fast Fore-Word (96-kHz/24-bit recordings), Michael Riggs, July, 4. 96/24: Digital Heaven or Digital Hell?, Bob Katz (Digital Heaven), July, 26; Ken Kantor (Digital Hell), July, 27. 96/24 on DVD: First Impressions of the 96kHz/24-Bit Stereo Music DVDs from Chesky and Classic Records, Anthony H. Cordesman, July, 32. Spectrum (DNA assembly of electronic circuits), Ivan Berger, Sept., 20. Up Against the Wall: NXT's New Approach to Panel Speakers, Henry Azima, Sept., 34. Spectrum (MP3 audio compression standard), Stephan Somogyi, Nov., 20. Hot-Wiring Your Hi-Fi: How the IEEE-1394 Digital Interface Will Change Your Life, Mark Bridgwater, Nov., 28. EQUIPMENT REVIEWS ATI (Amplifier Technologies, Inc.) AT1505 Five-Channel Amplifier, March, 54. Adcom The Ball Remote-Controlled Home Theater System ("Auricle"), May, 60. Arcam Alpha 9 Integrated Amplifier, Jan., 54. Audio Research VT-200 Amplifier and REF 1 Preamplifier ("Auricle"), March, 70. Audio Research VT50 Amplifier ("Auricle"), Aug., 60. Audiolab 8000S Integrated Amplifier ("Front Row"), March, 26. AudioQuest PT-6 Tonearm and VPI Aries Truntable ("Auricle"), May, 66. B & K Components AVP1030 A/V Tuner/ Preamp, Feb., 54. BDI Ventura Audio+Video Equipment Rack ("PlayBack"), Dec., 104, Basis Audio 2000 Turntable ("Auricle"), June, 68. BayGen Freeplay FPR2S AM/FM Portable Radio ("PlayBack"), Dec., 104. Bel Canto Design SET 40 Amplifier, Nov., 46. Bell'Oggetti SSP-12A Surround Speaker Stands ("PlayBack"), June, 88. Boston Acoustics Voyager Outdoor Speaker ("Seven Outdoor Speakers"), Sept., 42. Bryston B-60 Integrated Amplifier, March, 58. Carver DD-5.1 Dolby Digital Preamp/ Processor ("PlayBack"), Oct., 298. Cinepro 3k6SE Six-Channel Amplifier ("Auricle"), Jan., 82.

Classe Audio CAP-80 Integrated Amplifier and CDP.3 CD Player, Aug., 48. Clearaudio Signature Phono Cartridge ("PlayBack"), Sept., 104. dCS Elgar 96-kHz/24-Bit D/A Converter ("Auricle"), July, 54. Delos DVD Music Breakthrough Dolby Digital DVD ("PlayBack"), Oct., 298. Denon DMD-1000 MiniDisc Recorder, Dec., 45. Dunlavy Audio Labs SC-III Speaker, July, 50. EAD (Englightened Audio Designs) TheaterMaster Encore and Ovation A/V Preamps, Nov., 52. Energy Tempest Outdoor Speaker ("Seven Outdoor Speakers"), Sept., 42. Energy Take 5 Home Theater Speaker System ("Auricle"), Sept., 80. Ergo AMT Headphones ("Auricle"), Dec., 72. FMR Audio Really Nice Compressor ("Front Row"), Sept., 28. Fostex COP-1 Digital Signal Converter ("PlayBack"), April, 96. FurnitureWorks 300AH Speaker Stands ("PlayBack"), Sept., 104. Genesis 300 Speaker ("Auricle"), Feb., 72. GRAAFiti VT5.35 Five-Channel Amplifier ("Auricle"), Nov., 84. Grado Reference Platinum Phono Cartridge ("PlayBack"), Feb., 96. Grado SR325 Headphones ("PlayBack"), June, 88. Grundig G-2000A AM/FM Short-Wave Radio ("PlayBack"), Feb., 96. Hsu Research TN 1220 HO Subwoofer, Aug., 44. Infinity Compositions Overture 3 Speaker, Feb., 42 (Addendum, June, 8). Infinity Compositions Overture 1 Speaker and Compositions CC-3 Center-Channel Speaker, Feb., 47. JBL Harmony Radio/CD Player ("PlayBack"), June, 88. JBL HLS610 Speaker ("Auricle"), Nov., 74. JVC XV-D2000BK DVD Player, March, 48. Jadis DPL2 Preamplifier ("Auricle"), Sept., 86. Jolida SJ-801A Integrated Amplifier, Jan., 70. Klipsch KSF 10.5 Speaker, April, 52. Kora Electronic Concept Triode 100 SB Mono Amplifier and Eclipse Preamplifier, Nov., 68. Koss Quiet Zone 2000 Headphones ("PlayBack"), April, 96. Krell KAV-500 Multichannel Amplifier ("Auricle"), July, 58.

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Lamm Audio Laboratory M2.1 Mono Amplifier, May, 54. Legacy Audio Classic Speaker ("Auricle"), Aug., 64. Lexicon DC-1 5.1-Channel A/V Preamp/ Processor ("Auricle"), June, 60. Linn Classik CD Player/Integrated Amp ("Auricle"), Dec., 77. Lovan Sovereign Hi-Fi Equipment Racks ("PlayBack"), May, 88. M&K MX-700 Powered Subwoofer, Nov., 40. MB Quart QP 805 Headphones ("PlayBack"), March, 96. MIT iconn Speaker Connectors ("PlayBack"), Jan., 104. Mackie Designs HR824 Powered Speaker ("PlayBack"), Sept., 104. Marantz MA-700 Mono Amplifier, March, 64. Martin-Logan reQuest Speaker ("Auricle"), Jan., 86. Martin-Logan CLS IIz Speaker ("Auricle"), Sept., 82. Meridian 508.24 CD Player, Feb., 36. Meridian 861 Digital Surround Preamp ("Auricle"), Nov., 80. Mission 750 Limited Edition Speaker, Aug., 54. Monsoon Multimedia MM-1000 Computer Speaker ("PlayBack"), Nov., 104. Musical Fidelity X-Tone Tone Control ("Auricle"), March, 76. NHT NewWave Home Theater Speakers ("PlayBack"), July, 88. Nagra PL-P Preamplifier ("Mondo Audio"), Feb., 20. Naim Audio Headline Headphone Amplifier ("PlayBack"), July, 88. Niles Audio OS-20 Outdoor Speaker ("Seven Outdoor Speakers"), Sept., 42. Onkyo DV-S501 DVD Player, Dec., 61. Optimus PRO-LS3 Outdoor Speaker ("Seven Outdoor Speakers"), Sept., 42. PSB Stratus Goldi Speaker, Jan., 62. PSB Alpha Mini, Mite, Midi, A/V, and Subsonic 1 Speakers ("Front Row"), June, 28. Panasonic DVD-A310 DVD Player, May, 36. Panasonic DVD-L10 Portable DVD Player ("PlayBack"), July, 88. Paradigm Reference Servo-15 Powered Subwoofer, April, 68 (Addendum, Aug., 6). Pass Laboratories Aleph Ono Phono Preamp ("PlayBack"), Jan., 104. Philips DVX8000 Multimedia Home Theater Controller ("Auricle"), Feb., 68. Philips CDR 870 CD-R/RW Recorder, April, 58.

Philips Magnavox DVD420 DVD Player ("PlayBack"), May, 88. Pioneer PDR-04 CD Recorder, Jan., 48. Pioneer Elite VSX-09TX A/V Receiver, May, 44. Pioneer Elite DV-09 DVD Player, Aug., 36. Polk Audio RT-2000p Speaker ("Auricle"), May, 63. Polk Audio AW/M5 Outdoor Speaker ("Seven Outdoor Speakers"), Sept., 42. Pro Digital SDIOC Portable DAT Coaxial In/Out Cable ("PlayBack"), April, 96. Quicksilver Audio V4 Mono Amplifier, Feb., 50. RCA DRD515 Dolby Digital DSS Receiver ("PlayBack"), Nov., 104. Rock Solid Sounds Solid Monitor Outdoor Speaker ("Seven Outdoor Speakers"), Sept., 42. Rocktron HTD1 Circle Surround 5.2.5 Decoder ("Auricle"), July, 64. Rocktron CSA12 Car Audio Circle Surround Decoder ("Auricle"), July, 66. Rogue Audio Eighty-Eight Amplifier ("PlayBack"), Aug., 88. Sennheiser HD 600 Earphones, Jan., 76. Sherbourn Technologies 5/1500 Five-Channel Amplifier, Dec., 51. Silverline SR 12 Speaker ("PlayBack"), Oct., 298. Snell E.5 Speaker, Sept., 50. Sonance EC300 Outdoor Speaker ("Seven Outdoor Speakers"), Sept., 42. Sonic Frontiers Processor 3 D/A Converter, July, 46.

Sonus Faber Solo Center-Channel Speaker ("Front Row"), March, 26. Sony D-465 Portable CD Player ("PlayBack"), Feb., 96. Sony DVP-S500D DVD Player, June, 50. Sony AN-LP1 Short-Wave Active Antenna ("PlayBack") Aug., 88. Sony MDR-F1 Earphones, Sept., 76. Sony PCM-M1 Portable DAT Recorder ("PlayBack"), Nov., 104.

Thiel CS7.2 Speaker ("Auricle"), Dec., 67. Tribute GroundGuard RF Ground-Loop Eliminator ("PlayBack"), Jan., 104. Unison Research Power 35 Amplifier and Feather One Preamplifier ("Auricle"), July, 62. VMPS Super Tower III Special Ribbon Edition Speaker ("Auricle"), Aug., 66. VPI Aries Turntable and AudioQuest PT-6 Tonearm ("Auricle"), May, 66. Velodyne HGS-12 Powered Subwoofer, June, 44. Vienna Acoustics Beethoven Mk. II, Mozart, and Maestro Speakers ("Auricle"), April, 76. Wharfedale Modus Monitor MFM-5 Speaker, June, 56. Yamaha DSP-A1 A/V Amplifier, July, 36. Yamaha DVD-S700 DVD Player, Sept., 58. Z-Systems RDP-1 Digital Preamplifier, April, 64 (Addendum, June, 9). Zefiro InBox Mike Preamp/ADC ("PlayBack"), Aug., 88. HEADPHONES Spectrum (headphone stereos for hospital patients), Ivan Berger, Oct., 22. HISTORY Front Row (interview with Steve Hoffman of DCC), Corey Greenberg, April, 24. Resurrection: The Restoration of the New York Philharmonic's Historic Broadcast Recordings, Susan Elliott, April, 46. The Audio Interview: Michael Kay of Lyric Hi-Fi, David Lander, June, 38. The Audio Interview: Andy Kotsatos of Boston Acoustics, David Lander, Aug., 28.

SyQuest SyJet Portable Hard Drive ("PlayBack"), Dec., 104. TDK CD-RXG 74-Minute Recordable CD ("PlayBack"), March, 96. TDL RTL 1 Speaker, Feb., 64. Teac V-8030S Cassette Deck ("PlayBack"), May, 88.

HOME STUDIO Fast Fore-Word (digital technology and home recording), Michael Riggs, April, 4. Front Row (proliferation of project studios), Corey Greenberg, Aug., 20. Front Row (compression; FMR Audio Really Nice Compressor), Corey Greenberg, Sept., 28. Front Row (Event Electronics Gina sound card), Corey Greenberg, Dec., 20. Setting Up a Home Studio, Ken Kantor, Dec., 27.

Terk Technologies FM Pro FM-50 FM Antenna ("PlayBack"), March, 96. Theta Digital Miles CD Player ("Auricle"), April, 72.

HOME THEATER & SURROUND THX Meets DVD, Edward J. Foster, Aug., 24.

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Fast Fore-Word (compressed versus uncompressed digital), Michael Riggs, Oct., 8. Front Row (NetFlix online DVD rental service), Corey Greenberg, Oct., 28. INTERVIEWS John Fogerty, Daniel Levitin, Jan., 38. Bill Jasper of Dolby Labs, David Lander, Feb., 30. Richard Fryer of Spectral Audio, David Lan-

der, March, 40. Steve Hoffman of Dunhill Compact Classics ("Front Row"), Corey Greenberg, April, 24. Dan D'Agostino of Krell, Steve Guttenberg, April, 40. Michael Kay of Lyric Hi-Fi, David Lander, June, 38. Andy Kotsatos of Boston Acoustics, David Lander, Aug., 28. David & Becky Starobin of Bridge Records, David Lander, Nov., 34. Bill Dudleston of Legacy Audio, Tom Nousaine, Dec., 34. LISTENING & LISTENING ROOMS Birth of the Boom: Room Acoustics at Low Frequencies, Tom Nousaine, June, 32. LOUDSPEAKERS Front Row (AES Convention, fall 1997), Corey Greenberg, Jan., 28. Mondo Audio (transatlantic speakers), Ken Kessler, May, 24. Spectrum (Sunfire True Subwoofer), Ivan Berger, June, 18. Mondo Audio (Wharfedale WXT-04 NXT flat-panel speaker), Ken Kessler, Aug., 16. The Audio Interview: Andy Kotstatos of Boston Acoustics, David Lander, Aug., 28. Fast Fore-Word (Harman International's speaker design and test lab; NXT's flatpanel speaker technology), Michael Riggs, Sept., 6. Up Against the Wall: NXT's New Approach to Panel Speakers, Henry Azima, Sept., 34. Listening By the Yard: Seven Outdoor Speakers, Ivan Berger, Sept., 42. Mondo Audio (Ruark Solstice and Mordaunt-Short 800 series speakers), Ken Kessler, Oct., 24. The Audio Interview: Bill Dudleston of Legacy Audio, Tom Nousaine, Dec., 34. MINIDISC (MD) Spectrum (collecting music royalties on digital recording media), Ivan Berger, July, 18.

MISCELLANEOUS Mondo Audio (TAG McLaren's entry into high-end audio), Ken Kessler, March, 22. Spectrum (McIntosh assembly line), Ivan

Berger, May, 18. Spectrum (Pipedown's campaign against background music in public spaces), Nigel Rodgers, Oct., 20. Spectrum (inventor Jacob Rabinow), Ivan Berger, Oct., 23. MULTICHANNEL AUDIO Currents (Super Audio CD and Direct Stream Digital), John Eargle, Jan., 20. Front Row (AES Convention, fall 1997), Corey Greenberg, Jan., 28. Fast Fore-Word ( D V D - A u d i o u p d a t e ) , Michael Riggs, March, 6. Digital Audio for the Future, J. Robert Stuart, Part 1, March, 30; Part 2, April, 30. Fast Fore-Word (DVD-Audio versus Super Audio CD), Michael Riggs, May, 4. Fast Fore-Word (compressed versus uncompressed digital), Michael Riggs, Oct., 8. Fast Fore-Word (DTS and DVD-Audio), Michael Riggs, Dec., 4. MUSIC PERFORMANCE & RECORDING The Audio Interview: John Fogerty, Daniel Levitin, Jan., 38. Resurrection: The Restoration of the New York Philharmonic's Historic Broadcast Recordings, Susan Elliott, April, 46. Mondo Audio (Eurovision Song Contest), Ken Kessler, July, 22. The Audio Interview: David & Becky Starobin of Bridge Records, David Lander, Nov., 34. OBITUARY Edward Tatnall Canby, May, 22. PSYCHOACOUSTICS Digital Audio for the Future, J. Robert Stuart, Part 1, March, 30; Part 2, April, 30. Spectrum (music processing in the brain), Ivan Berger, July, 17.

RECORDING Front Row (AES Convention, fall 1997), Corey Greenberg, Jan., 28. Living with CD-R: A User's Guide to CD Recording, Robert Long, Feb., 24. Fast Fore-Word (copy protection), Michael Riggs, June, 4. Spectrum (the future of home recording), Ivan Berger, July, 17. Spectrum (collecting music royalties on digital recording media), Ivan Berger, July, 18. Front Row (proliferation of project studios), Corey Greenberg, Aug., 20. Front Row (compression; FMR Audio Really Nice Compressor), Corey Greenberg, Sept., 28. Front Row (Event Electronics Gina sound card), Corey Greenberg, Dec., 20. Setting Up a Home Studio, Ken Kessler, Dec., 27. REISSUED RECORDINGS Elvis: 24 Karat Hits! (interview with Steve Hoffman of Dunhill Compact Classics in "Front Row"), Corey Greenberg, April, 24. REMOTE CONTROL Fast Fore-Word (user-configurable remotes), Michael Riggs, Nov., 6. SHOWS & CONFERENCES Funkaustellung, Berlin consumer electronics show ("Fast Fore-Word"), Michael Riggs, Jan., 6. AES Convention, fall 1997 ("Front Row"), Corey Greenberg, Jan., 28. Consumer Electronics Show, Jan. 1998 ("Mondo Audio"), Ken Kessler, April, 20. Frankfurt High End '98 ("Mondo Audio"), Ken Kessler, Sept., 24. Hi-Fi Show at Heathrow Airport, London ("Mondo Audio"), Ken Kessler, Dec., 16.

RADIO BROADCAST & RECEPTION Digital Radio, Today and Tomorrow, John Gatski, Jan., 32. DMX By Satellite: A User Report, Ian G. Masters, Jan., 34. Fast Fore-Word (digital radio standards), Michael Riggs, April, 4.

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MP3: What Does It Really Sound Like?, Corey Greenberg, June, 30. Spectrum (computer speakers), Ivan Berger, Dec., 21. AC POWER & ELECTRICAL NOISE Dedicated Listening Room Power, Anthony H. Cordesman, Jan., 87. Spectrum (reducing wasted power), Ivan Berger, March, 15. Spectrum (Tributaries GroundGuard hum suppressor), Ivan Berger, March, 15. The Ultimate Cable Upgrade: An Obsessive's Guide, Ken Kessler, Dec., 30. ACOUSTICS Bass vs. Space: Room Acoustics and Good Sound, David J. Weinberg and Howard W. Ferstler, July/August, 28. AMPLIFIERS Spectrum (testing amplifiers), Ivan Berger, Feb., 18. The Audio Interview: Bob Carver of Sunfire, Ivan Berger, Feb., 40. Spectrum (Kenwood K-Stat output transistors), Ivan Berger, March, 15. Mondo Audio (classic component reissues), Ken Kessler, July/August, 23. CABLES & CONNECTORS Spectrum (Tributaries GroundGuard hum suppressor), Ivan Berger, March, 16. The Ultimate Cable Upgrade: An Obsessive's Guide, Ken Kessler, Dec., 30. CAR STEREO Spectrum (surround sound in cars), Ivan Berger, June, 21. COMPUTERS & AUDIO Convergence Gets Convincing: The Synergy of Home Theater and Home Computing, Ivan Berger, May, 39.

CONSTRUCTION PROJECTS Monster Bass: Do-It-Yourself Subwoofers, Tom Nousaine, Jan., 36.

DVD Spectrum (James Taylor live on DVD), Alan Lofft, Jan., 22. Fast Fore-Word (DVD-Audio update), Michael Riggs, May, 4. Spectrum (DVD recorders), Ivan Berger, June, 23. DVD-Audio Gets the Green Light, Edward J. Foster, Sept., 30. DIGITAL TECHNOLOGY & TECHNIQUES Front Row (DSP and home studio recording), Corey Greenberg, Jan., 33. Fast Fore-Word (digital recording and frequency response), Michael Riggs, Feb., 6. Front Row (the art of remastering), Corey Greenberg, Feb., 27. Home Recording for the Digital Millennium, Daniel Kumin, Feb., 32. Spectrum (IEEE-1394 bus), Ivan Berger,

Cartridges, 109; Headphones, 114; Cassette Decks, 118; Digital Player/Recorders, 120; Equalizers, 123; Surround Sound & Ambience Processors, 124; Signal Processors, 130; Crossovers, 132; Speaker Cables, 134; Loudspeakers, 146; Company Addresses, 260. EMERGING TECHNOLOGIES Fast Fore-Word (Parametric Acoustic Modeling speaker design), Michael Riggs, March, 6. Spectrum (blue lasers), Ivan Berger, April, 19. Deep Thoughts on Shallow Speakers, Ivan Berger, April, 37. Spectrum (IEEE-1394 bus), Ivan Berger, May, 19. Convergence Gets Convincing: The Synergy of Home Theater and Home Computing, Ivan Berger, May, 39. Spectrum (IEEE-1394 vs. USB 2.0), Ivan Berger, July/August, 21. Spectrum (songs by cellular), Ivan Berger, Sept., 29. Spectrum (new microphone designs), Ben P. Stein, Nov., 27. EQUIPMENT REVIEWS ADA Cinema Reference A/V Preamp,

May, 19. Spectrum (IEEE-1394 vs. USB 2.0), Ivan Berger, July/August, 21. DVD-Audio Gets the Green Light, Edward J. Foster, Sept., 30. Super Audio CD: Evolutionary or Revolutionary?, Edward J. Foster, Nov., 40.

July/August, 45. Acurus DIA 150 Integrated Amplifier, Sept.,

DIRECTORY Annual Equipment Directory, October Introduction, 29; CD & DVD Players, 32; D/A Converters, 48; Amplifiers, 52; Preamplifiers, 80; Tuners, 100; Receivers, 102; Turntables, 106; Tonearms, 108; Phono

64. AudioControl C-101SE Equalizer/Analyzer,

36. Adcom GCD-750 CD Player, March, 66. Anthem MCA 5 Five-Channel Power Amplifier, Sept., 101. Arcam Alpha 9 CD Player, April, 59. Arcam Alpha 9C Preamplifier, July/August,

June, 48. Audio Refinement Complete Integrated Amplifier, April, 55. B&W Nautilus 802 Speaker, Feb., 51.

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B&W WP1 Indoor/Outdoor Speaker ("PlayBack"), July/August, 88. B&W DM605 S2 Speaker, Sept., 41. Bag End MM-8H Satellites and Infrasub-18 Powered Subwoofer, Jan., 59. Blaupunkt Alaska Car CD Receiver, May, 63. Bryston 9B-ST Five-Channel Power Amplifier, June, 58. Cambridge SoundWorks Model 88 Table Radio ("PlayBack"), Jan., 108. Cambridge SoundWorks Desktop Theater 5.1 ("PlayBack"), March, 88. Castle Severn 2 Speaker, Dec., 91. Cinepro Professional PowerPro 20 Line Conditioner, Jan., 86. Coincident Speaker Technology Triumph Signature Speaker, July/August, 51. conrad-johnson Premier 12 Mono Amplifier and Premier 16LS Preamplifier, June, 63. Creek 4330SE Integrated Amplifier, Feb., 77. DeHavilland Aries SE Mono Amplifier ("PlayBack"), April, 88. Denon AVR-3300 A/V Receiver, Nov., 76. Dunlavy Audio Labs SC-V Speaker, March, 69. E.A.R. V20 Tube Integrated Amplifier, Jan., 71. Eminent Technology LFT-11 Computer Sub/Sat System ("PlayBack"), May, 88. Fostex CR-200 CD Recorder ("PlayBack"), March, 88. Grado Labs Reference Phono Cartridge ("PlayBack"), April, 88. Grado Reference RA-1 Headphone Amplifier, Nov., 82. Hales Design Group Transcendence Eight Speaker, July/August, 68. Harman/Microsoft Take Control Remote ("Front Row"), March, 23. Hsu Research VTF-2 Powered Subwoofer, Nov., 59. JMlab Cobalt 820 Speaker, March, 49. Jolida JD 301A Integrated Amplifier ("PlayBack"), May, 88. Kenwood VR-2090 A/V Receiver, Feb., 59. Krell KPS 25s CD Player/Preamp, Jan., 79. Krell KAV-300r Receiver, Sept., 71. Legacy Audio Studio Speaker ("PlayBack"), June, 88. Mark Levinson No. 360S D/A Converter, June, 66. Lexicon MC-1 A/V Preamp, Sept., 63.

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Lexicon DC-2 A/V Preamp, Dec., 79. Linn Genki CD Player, Dec., 53. MSB Technology Link D/A Converter, Feb., 75. MSB Technology Digital Director Jitter Reducer ("PlayBack"), July/August, 88. Mackie HR824 Powered Speaker, Sept., 86. Marantz DR700 CD Recorder, Jan., 51. Marantz RC2000 Mk. II Remote ("Front Row"), March, 23. Marantz PM-17 Integrated Amplifier, Sept., 82 (Addendum, Nov., 13). Meridian 557 Amplifier, March, 57. Meridian M33 Powered Satellites and M1500 Powered Subwoofer, Sept., 76. Meridian 561 Surround Preamp, Nov., 49. Mirage OM-8 Speaker, July/August, 55. Mirage MRM-1 Speaker, Nov., 105. Mission 774 Speaker, July/August, 40. Monster Cable M1000sv S-Video Interconnect ("PlayBack"), June, 88. Musical Fidelity X-A200 Mono Amplifier, Jan., 83. Musical Fidelity X-Ray CD Player ("PlayBack"), Feb., 96. Myryad T-40 Integrated Amplifier, June, 70. NAD S200 Amplifier and S100 Preamplifier, July/August, 35. NAD C340 Integrated Amplifier, Dec., 73. NHTPro A-20 Speaker System, Nov., 91. Neutrik Minirator MR1 Portable Audio Generator ("PlayBack"), Feb., 96. Onkyo Phantom Cinema Virtual Surround System ("PlayBack"), April, 88. PSB Stratus Silveri Speaker, Dec., 61. Paradigm Atom Speaker ("Front Row"), April, 27. Pass Laboratories D1 D/A Converter ("PlayBack"), Feb., 96. Pass Laboratories X600 Mono Amplifier, July/August, 59. Philips DVD855AT DVD Player, April, 49. Philips Pronto Remote Control ("PlayBack"), June, 88. Platinum Audio Studio 2 Speaker, May, 58. Polk Audio RT5000 Multichannel Speaker System, April, 68. Polk Audio Signature Reference Surround Speaker ("PlayBack"), July/August, 88. Polk Audio RMDS-1 Home Theater System, Dec., 45. Proceed AVP A/V Preamp and AMP 5 FiveChannel Amp, April, 64. Quicksilver Audio Silver 60 Mono Amplifier, Feb., 69.

Rotel RP-955 Turntable ("PlayBack"), Jan., 108. Rotel RSX-965 A/V Receiver, Sept., 94. Ruark Acoustics Log-Rhythm Powered Subwoofer, Nov., 111. Sharp MD-R3 MD Recorder/CD Changer ("PlayBack"), May, 88. Snell Acoustics XA 90ps Speaker, June, 42. Sonic Foundry Acoustic Mirror Recording Software ("Front Row"), May, 27. Sony MDM-X4 Mk II Four-Track MiniDisc Recorder ("PlayBack"), Jan., 108. Sony TA-E9000ES A/V Preamp, March, 40. Sony DVP-S7700 DVD Player, June, 34. Sony SCD-1 Super Audio CD Player, Nov., 65. TacT Audio Millennium Digital Amplifier, June, 52. Tannoy Churchill Speaker, March, 63. Tannoy R1 Speaker, May, 73. Theta Digital Jade CD Transport, May, 70. Theta Digital DaViD DVD Transport and Voyager DVD/Laserdisc Transport, Nov., 98. Theta Digital Casa Nova Surround Preamp, Dec., 37. Thule Audio Spirit CD100 CD Player, Nov., 85. Toshiba SD-9000 DVD Player, Sept., 50. Vandersteen 2Ce Signature Speaker, Sept., 56. Vienna Acoustics Mahler Speaker, Dec., 67. Westlake Audio Surround Speaker System, July/August, 62. Whise Profunder 320 Subwoofer, Sept., 106. Wyetech Topaz 211A Single-Ended Tube Amplifier ("PlayBack"), March, 88 (Addendum, May, 8). Yamaha RX-V2095 A/V Receiver, May, 43. HEADPHONES Spectrum (Sony MDR-DS5000 Virtual Dolby Digital headphones), Ivan Berger, Oct., 24. HOME STUDIO Front Row (DSP and home studio recording), Corey Greenberg, Jan., 33. Home Recording for the Digital Millennium, Daniel Kumin, Feb., 32. HOME THEATER & SURROUND SOUND Spectrum (Tributaries GroundGuard hum suppressor), Ivan Berger, March, 16.

The Audio Interview: Laurie Fincham of THX, David Lander, March, 34. Spectrum (Dolby and THX introduce Surround EX), Len Schneider, April, 17. The Magic of Film Sound. Ian G. Masters, May, 30. Convergence Gets Convincing: The Synergy of Home Theater and Home Computing, Ivan Berger, May, 39. Currents (10-channel surround sound), John Eargle, June, 25. Spectrum (Sony Virtual Dolby Digital headphones), Ivan Berger, Oct., 24. INTERNET Audio Site-Seeing on the Web, Gordon Brockhouse, March, 28. MP3: What Does It Really Sound Like?, Corey Greenberg, June, 30. Spectrum (copy protection for downloading music), Ivan Berger, July/August, 19. Spectrum (copy protection for downloading music), Ivan Berger, Sept., 25. Spectrum (copy protection for downloading music), Ivan Berger, Oct., 21. INTERVIEWS Ivor Tiefenbrun of Linn Products, Steve Guttenberg, Jan., 42. Bob Carver of Sunfire, Ivan Berger, Feb., 40. Laurie Fincham of THX, David Lander, March, 34. Jerry VanderMarel, Bill VanderMarel, and Scott Bagby of Paradigm, David Lander, April, 42. LISTENING & LISTENING ROOMS Fast Fore-Word (blind vs. open listening tests), Michael Riggs, April, 6. Point/Counterpoint: Objective vs. Subjective Evaluation, Steve Guttenberg and Mark Block, April, 30. The Ultimate Cable Upgrade: An Obsessive's Guide, Ken Kessler, Dec., 30. LOUDSPEAKERS Monster Bass: Do-It-Yourself Subwoofers, Tom Nousaine, Jan., 36. Fast Fore-Word (Parametric Acoustic Modeling), Michael Riggs, March, 6. Deep Thoughts on Shallow Speakers, Ivan Berger, April, 37. The Audio Interview: Jerry VanderMarel, Bill VanderMarel, and Scott Bagby of Paradigm, David Lander, April, 42.

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Mondo Audio (classic component reissues), Ken Kessler, July/August, 23. Bass vs. Space: Room Acoustics and Good Sound, David J. Weinberg and Howard W. Ferstler, July/August, 28. Speaker Dispersion, Edward J. Foster, July/ August, 57. Spectrum (computer speakers), Ivan Berger, Dec., 21. Speaker Design Master Class: Lessons from PSB's Paul Barton, David Lander, Dec., 24. MEASUREMENT TECHNIQUES Spectrum (testing amplifiers), Ivan Berger, Feb., 18. Spectrum (testing FM tuner quieting), Ivan Berger, March, 17. Speaker Design Master Class: Lessons from PSB's Paul Barton, David Lander, Dec., 24. MULTICHANNEL AUDIO Spectrum (James Taylor live on DVD), Alan Lofft, Jan., 22. Currents (10-channel surround sound), John Eargle, June, 25. DVD-Audio Gets the Green Light, Edward J. Foster, Sept., 30. Super Audio CD: Evolutionary or Revolutionary?, Edward J. Foster, Nov., 40. MUSIC PERFORMANCE & RECORDING Spectrum (James Taylor live on DVD), Alan Lofft, Jan., 22. OBITUARY Jon R. Sank, Jan., 24. PSYCHOACOUSTICS Fast Fore-Word (blind vs. open listening tests), Michael Riggs, April, 6. Point/Counterpoint: Objective vs. Subjective Evaluation, Steve Guttenberg and Mark Block, April, 30. Currents (10-channel surround sound), John Eargle, June, 25. RECORDING Fast Fore-Word (digital recording and frequency response), Michael Riggs, Feb., 6. Home Recording for the Digital Millennium, Daniel Kumin, Feb., 32. Spectrum (DVD recorders), Ivan Berger, June, 23. Spectrum (copy protection for downloading music), Ivan Berger, July/August, 19.

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Spectrum (copy protection for downloading music), Ivan Berger, Sept., 25. Spectrum (copy protection for downloading music), Ivan Berger, Oct., 21. REISSUED RECORDINGS Front Row (the art of remastering), Corey Greenberg, Feb., 27. Mondo Audio (audiophile CDs), Ken Kessler, May, 23. SHOWS & CONFERENCES Mondo Audio (TOP Audio show in Milan), Ken Kessler, Jan., 26. TUNERS Spectrum (testing FM tuner quieting), Ivan Berger, March, 17.