Pair of vintage Stark Designs ST-1A speakers. Upper woofers are not original. These are rare speakers and are built to a very high standard. Unfortunately, 5 out 8 tweeters and midranges are not producing sound. Each speaker has 2 tweeters and 2 mid-range speakers. (1 of each, front and back) 3 mid-range and 1 tweeter are not producing sound: Speaker 1 : Front: Tweeter (off), Mid-range (on) Speaker 1 : Back: Tweeter (on), Mid-range (off) Speaker 2 : Front: Tweeter (on), Mid-range (off) Speaker 2 : Back: Tweeter (on), Mid-range (off)