Wow, thanks George! My single 'unground edge' DD has no flaws -- indeed, it's pristine mint, and is one of the best-sounding acoustic recordings I've ever heard. It's nice to imagine it was a Tone Test record, even if chances are a bit slim.
best, r. > A few of mine appear to have a > superior surface on one side - as if an extra layer of some finish had > been > applied to the Condensite. For this reason, I believe that some DDs with > unground > edges were used for Tone Tests. > > George Paul
