Audio, Band 59

4-channel acoustic album Audio Research AUDIOPHILES bass Burwen Calif Card Check cartridge cassette catalog circuit circuitry components crossover Crown Dahlquist dealer Decca Direct to Advertiser disc Dolby drive Dual Dynaco electronic equipment feedback filter frequency response harmonic distortion Hi-Fi High Fidelity Infinity input Klipsch listening load loudspeaker Magneplanar Marantz Mark Levinson McIntosh measured meter Model monitor mono motor Nakamichi noise ohms Ortofon P.O. Box panel performance Phase Linear phono play power amp power amplifier power output preamp preamplifier Quad quadraphonic quency radio ratio Reader Service Card reel Revox SALE Sansui Send Service Card Check Shure signal Sony sound Soundcraftsmen speaker system Stax stereo stylus Supex switch Tandberg tape recorder TEAC Thorens tion total harmonic distortion Transcriptors transistors tuner turntable tweeter voltage woofer Write Direct Yamaha Yes Yes