Original vintage ad for ACOUSTIC RESEARCH INC. AR-1, AR-3 suspension loudspeakers, reviews by John H. Newitt, H.H. Fantel, Robert Gorman. The speakers shown may be hard at AR's permane..
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 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 stereo vintage ad for ACOUSTIC RESEARCH INC. AR Amplifier delivers 60 watts continuous power output per channel at less than one half percent harmonic distortion. Main office was l..
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..