Author: Don Berger
Date: 2005-12-22 00:15
Since earlier, Steve dug up an old post of mine, I'll jump into the hot water again. The purpose of these "modified" bores is of course to make a well-in-tune [12ths] clarinet [read Gibson], so, to me, how it is accomplished is quite unimportant, its playing characteristics are important. While I'm NOT a machinist [some of our BB'ers may be, if so, please comment], these many/variously-possible bore configurations seem to approximate a [very slightly] conical upper section of the Upper Joint, and IMHO would be much easier to form by reaming/drilling several sections of VERY SLIGHTLY differing diameters, hence the poly cylindrical areas. Some may be visible in a very clean, nearly new bore, in older horns, its doubtful. Why measure, just play it. "Nuff for now, Others Please HELP, Don
Thanx, Mark, Don
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