This is for one original Front Wired AR-3a/LST Tweeter. Initially we have 8 available. We had been saving these for an LST restoration. However, we are no longer doing complete restorations. We are seriously downsizing our inventory. Tested with test equipment and a music source. Nice long leads for attachment. These are a nominal 4 ohms but measure about 2.6 ohms as with all of these tweeters. We have over 200 AR items listed. If you would like to be advised of new listings, exceptional items and our occasional sale, please sign up for our Newsletter. The item “ACOUSTIC RESEARCH AR-3a, AR-LST TWEETER- EARLY PRODUCTION, STRONG OUTPUT” is in sale since Saturday, November 9, 2019. This item is in the category “Consumer Electronics\Vintage Electronics\Vintage Audio & Video\Vintage Speakers”. The seller is “vintage-ar” and is located in Albany, New York. This item can be shipped worldwide.