Original vintage ad for ACOUSTIC RESEARCH INC. Announces AR-2a Speaker System, a ten-inch acoustic suspension woofer with a newly improved cone, and two five-inch cone tweeters in combination wi..
Original stereo equipment vintage ad for ACOUSTIC RESEARCH INC. AR speaker Quality Control. Silvano Cannavacciulo, AR inspector is shown checking a speaker response curve at one of AR's anechoic c..
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. ..
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 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..