Quote:
Originally Posted by AJcarter  I thought Kanstul's mouthpiece comparator only compared rim and cup sizes, not back bore. I am also looking for information on Bach back bores, as I have an extra 3C I'd like to open up some.If I find any useful information I will report back directly. |
AJ,
when you open up the mouthpiece, you destroy the playing characteristics. The cup, throat and backbore have to be in sync with one another to get a good response. A mismatch lowers the efficiency, makes the slotting worse and can ruin the intonation of the mouthpiece/horn combination.