High Fidelity Incorporating Musical America, Volume 23

4-channel 8-track cartridges acoustic album American Ampex amplifier artist Audio band BASF bass Beethoven cartridge cassette cassette deck catalog Center channel chestra chorus chromium dioxide CIRCLE classical composer concert cond conductor dance dealer deck decoder director discs distortion Dolby Dynaco Electro-Voice Electronics ensemble equipment Eugene Ormandy Festival formance frequency response Hall hear Heathkit Hi-Fi HIGH FIDELITY input Koss listening Marantz matrix matrix decoders ment Metropolitan Opera Model mono musicians noise ohms Onkyo opera output P.O. Box performance Philadelphia Orchestra Philharmonic phono pianist piano piece play playback production quadraphonic Quartet Radio READER-SERVICE CARD receiver recording reel Revox score sensitivity signal singers singing solo soloists Sonata songs soprano sound speaker system stereo stylus switch Symphony Orchestra tape TEAC tion tone tuner tuning turntable tweeter violin vocal voice watts woofer write York