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 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 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 high fidelity stereo vintage ad for ACOUSTIC RESEARCH INC. AR-3 equipment reports black soon will reveal the almost total absence of coloration in this speaker. Main office was located..
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..