Serial numbers D5784 and D3242. Tweeter controls were totally refurbished and operate properly. Existing lead cased crossover Capacitors were tested and found to be to specifications. Woofers Inspected and resealed with Vintage AR Surround Sealant and now look and operate like they should. These speakers are totally complete and all original sound like they did in the Showroom. Beautiful and clean original Grills and Badges. Birch Unfinished Cabinets are in extremely nice condition, please review pictures. Rare chance for you to finish them any way you want, or what your wife may want. Technically the speakers are performing as originally manufactured. The concept which expanded the horizons of high fidelity by creating new standards of bass response and low harmonic distortion, is utilized in this moderately-priced 4-speaker system. The 10 woofer is essentially flat to 42 cps (-10 dB at 30 cps). Harmonic distortion at 40 cps is a mere 3%. Two 5 cone units in dispersed array range from 2000 to 7500 cps. The unique AR Super-Tweeter raises the response beyond 20,000 cps. This hemispherical radiator is without rival for smoothness, low dispersion characteristics and virtually flawless transient response. As a result, the AR2a has received accolades and applause from audio experts and won renown for setting new standards of excellence in its field. 1 x 1,375 dome tweeter. 2 x 5 cone midrange. 1 x 10 cone woofer. Frequency Respnse: 42 to 20,000 cps (Hz). Crossover Frequency: 2000, 7500 cps (Hz). Amplifier Power: 20 watts minmum. “(H) x 24″(W) x 11. The item “Acoustic Research AR2A, RARE UNFINISHED BIRCH CABINET, HIGHLY COLLECTIBLE” is in sale since Thursday, October 12, 2017. This item is in the category “Consumer Electronics\Vintage Electronics\Vintage Audio & Video\Vintage Speakers”. The seller is “arspeakers” and is located in North Grafton, Massachusetts. This item can be shipped to United States.
- Brand: Acoustic Research
- Model: AR2A
- Country/Region of Manufacture: United States