Original stereo vintage ad for ACOUSTIC RESEARCH INC. AR-3a speaker system has even less distortion, more uniform dispersion of sound and still greater power handling capability. The i..
Original vintage ad for ACOUSTIC RESEARCH INC. AR Turntable tested for 48 hours, includes measurements of rumble, wow, flutter, speed accuracy. Shown are run-in racks. Main office was..
Original vintage ad for ACOUSTIC TECHNOLOGY LABORATORIES. Acoustech I listened to by Anton Schmitt of New York's famed Harvey Radio Corporation. I heard things I never heard before. ..