A used Acoustic Research AR 12 woofer for Original AR-3a and AR-LST speakers. All sales are final and Thank you for looking. The item “Acoustic Research AR 3a AR-LST 12 Woofer with new surround pre-owned” is in sale since Wednesday, April 10, 2019. This item is in the category “Consumer Electronics\Vintage Electronics\Vintage Audio & Video\Vintage Speakers”. The seller is “arcelloallison” and is located in Brooklyn, New York. This item can be shipped to United States.