Bought these a few months ago for a speaker project that never got off the ground. I was going to mate them with my Supravox field coil drivers but have those for sale too. New baby is forcing a simpler approach and taking away my dedicated room. I paid £140 for these. Make me an offer. Specs can be found at [URL]http://www.iplacoustics.co.uk/fountek_ribbon_tweeters.htm[/URL]