The original owner tested it and it works great. A hard to find speaker to add to your collection! If package is lost or damaged we will file a claim for you. The item “VINTAGE speaker ACOUSTIC RESEARCH old AR 1 from ESTATE its WORKING” is in sale since Tuesday, June 14, 2016. This item is in the category “Consumer Electronics\Vintage Electronics\Vintage Audio & Video\Vintage Speakers”. The seller is “bidoff10″ and is located in Rochester, New York. This item can be shipped to United States.