One speaker works well, the other all 4 tweeters have no sound, but the skip crossover detection works well. In addition, the midrange unit and woofers are working well. Acoustic Research´s LST speaker system was the company´s most advanced speaker system, designed for professional use. Most striking are the LST´s angled sides, differentiating this pair from all other AR speakers. The AR-LST, meaning Laboratory Standard Transducer, uses the same drivers as the AR-3a. Measuring 27 x 20 x 9 ¾ inches. The weight about 90 lbs. The item “Acoustic Research AR-LST Speakers (pick up only)” is in sale since Tuesday, October 20, 2020. This item is in the category “Consumer Electronics\Vintage Electronics\Vintage Audio & Video\Vintage Speakers”. The seller is “ivan69235816_8″ and is located in San Francisco, California. This item can’t be shipped, the buyer must pick up the item.
- Brand: Acoustic Research