For sale is a single Acoustic Research Woofer removed from a Ar3a Cabinet this is in good working order. Condition is very nice hook up my ohm meter shows 3.0 this sounds great no rubbing on the coil. The item “Acoustic Research AR-3 Woofer Aluminum Frame Alnico Magnet AR3a Speaker Working” is in sale since Wednesday, December 26, 2018. This item is in the category “Consumer Electronics\Vintage Electronics\Vintage Audio & Video\Vintage Speakers”. The seller is “mychisound” and is located in Oak Lawn, Illinois. This item can be shipped to United States.