![My father in law has Carver speakers, amp and preamp. What kind of tech do these speakees use? Its like a strip down the middle of each of them and they are My father in law has Carver speakers, amp and preamp. What kind of tech do these speakees use? Its like a strip down the middle of each of them and they are](https://i.redd.it/jipk2iuyn0t71.jpg)
My father in law has Carver speakers, amp and preamp. What kind of tech do these speakees use? Its like a strip down the middle of each of them and they are
![Blowout Price Reduction, Carver Amazing Platinum Mk IV, dipole ribbon speakers, fully restored Giant Photo #2638804 - US Audio Mart Blowout Price Reduction, Carver Amazing Platinum Mk IV, dipole ribbon speakers, fully restored Giant Photo #2638804 - US Audio Mart](https://img.usaudiomart.com/uploads/large/2638804-carver-amazing-platinum-mk-iv-speakers-fully-restored-as-new.jpg)
Blowout Price Reduction, Carver Amazing Platinum Mk IV, dipole ribbon speakers, fully restored Giant Photo #2638804 - US Audio Mart
![Carver Amazing Loudspeaker lll (ALS lll) Ribbon,The original model (w/three potentiometers) Photo #1300243 - US Audio Mart Carver Amazing Loudspeaker lll (ALS lll) Ribbon,The original model (w/three potentiometers) Photo #1300243 - US Audio Mart](https://img.usaudiomart.com/uploads/large/1300243-carver-amazing-lll-als-lll-ribbon-the-original-model-wthree-potentiometers.jpg)
Carver Amazing Loudspeaker lll (ALS lll) Ribbon,The original model (w/three potentiometers) Photo #1300243 - US Audio Mart
![Blowout Price Reduction, Carver Amazing Platinum Mk IV, dipole ribbon speakers, fully restored Giant Photo #2638811 - US Audio Mart Blowout Price Reduction, Carver Amazing Platinum Mk IV, dipole ribbon speakers, fully restored Giant Photo #2638811 - US Audio Mart](https://img.usaudiomart.com/uploads/large/2638811-carver-amazing-platinum-mk-iv-speakers-fully-restored-as-new.jpg)