A speaker with a movable flat metal diaphragm and a nonmovable metal electrode capable of reproducing high audio frequencies. The diaphragm is driven by the varying high voltage that is applied to the plates.



"Dear CVC: I received my recording back today. Compared to the LP, the sound is awesome. I didn't believe my LP could really sound like this! Also, this particular LP is not available on disc, so it was like 2 gifts to myself in one. You certainly worked "magic" on this recording. Thank you,"