I was rummaging through my many boxes of parts today and ran across a pair of ribbon tweeters with no markings except a receipt from 1982 that says they are Peerless brand. The mounting plate is 5 1/4" x 2 3/4", but there is no marking anywhere except for a "+" etched on the positive terminal. A trip to the Peerless website (which is now Danish Sound Technology) did not show any ribbon tweeters, even in their discontinued archives. Has anyone here heard of a Peerless ribbon tweeter, and if so, do you know if there is a spec sheet for this driver? Thanks for any assistance you can provide.