Acoustic Research removed from ar-3a speaker. Tested and works just as it should. AR part number : 200003. The item “ACOUSTIC RESEARCH WOOFER AR-3A AND OTHERS” is in sale since Monday, May 13, 2019. This item is in the category “Consumer Electronics\Vintage Electronics\Vintage Audio & Video\Vintage Speakers”. The seller is “caryl450″ and is located in Saint-Hubert, Quebec. This item can be shipped to North, South, or Latin America.