Vintage Polk Audio SDA-1B Floor Standing Speakers Local Pick Up Aurora IL 60503

Vintage Polk Audio SDA-1B Floor Standing Speakers. Amazing vintage SDA-1B (Stereo Dimensional Array) speakers. In (Near Mint Minus)condition. Speaker cabinets show mild signs of wear including mild to moderate staining on tops and sides of speaker cabinets (pictured) These amazing loudspeakers are some of the most sought after Polk speakers ever made. They are all original OEM and come with two extra Polk Factory rebuilt drivers Driver MW6509s (in MW6503 chassis) dated June 17 1986 rebuild. The SDA-1Bs are very RARE and do not become available very often and extra original MW6509 drivers are just as hard to find. Local Pick Up Item Aurora IL 60503.

Year:  1986

Country: USA

Tweeter: x SL2000

Stereo Driver: 2 x MW6509

SDA Driver: 2 x MW6509

Bass Radiator: SW120

Crossover: Dual Board

SDA I.C.: Blade/Blade

Impedence: 6 Ohms (8 Ohms compatible)

Frequency Response: 15Hz - 26kHz

Efficiency: 90dB

Recommended Power: 50 - 500 Watt

Dimensions: 11-1/2"D x 15-7/8"W x 43"H

Weight: 85 lbs. each

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