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vintage AR3A Speakers - $1,800 (alameda)
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Price is firm
All drivers are originals and in Excellent Condition
Acoustic Research AR-3a Specifications:
Drive Units: 305 mm (12 in) acoustic suspension woofer, 38 mm (1 1/2 in) midrange hemispherical dome, 199 mm (3/4 in) high-frequency hemispherical dome.
Crossover: 575 Hz, 5000 Hz
Impedance: 4 ohms nominal
Controls: Midrange and high-frequency driver level controls
Amplifier: Up to 100 watts per channel
Size: 356 x 636 x 289 mm deep ( 14 x 25 x 11 3/8 in)
Weight: (53 lb)
Woofer resonance: Free air 18 Hz, in enclosure 42 Hz
Volume of enclosure: 48.2 litres (1.7 cu ft)