I had a pair of Pioneer Hpm 1500s that had super tweeters back in the late 70s, so yes I have heard them implemented in a speakers design. I tried to hear if they actually had any sound from them and they did not. It was all a marketing ploy as I would expect the ones from AV 123 to be.

Rick


"A fear of weapons is a sign of retarded sexual and emotional maturity." Sigmund Freud