Those are the exclusive models with lots of shank, cup, rim - combo's. I meant the 'USA' line.Donn wrote: Is there any reference for JK mouthpieces on-line? I've seen long lists of models with terse comments like "very deep", and now that I think of it, that's not saying much less than Bach says about theirs (since stuff like "a compelling tone of exceptional power yet devious subtlety" doesn't really say anything.) But one can always hope.
http://www.jk-klier.de/de/m_s5_2.htm