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The Clarinet BBoard The C4 standard

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Author: Don Berger
Date: 2007-05-16 17:24

While re-studying the various patented keying structures {Mazzeo, McIntyre, Leblanc, Stubbins and others [less commercialized]} as related to several papers to be given at the upcoming Edinburg [Scotland] Conference [sure would like to attend !], I noticed, in some pats [drawings], some differences as to the lengths of the tubes within the bores. I had noticed that my Leb L7 and my Sel CT tube's intrusion was less [?about half as much] as in other cls available to me. I had credited both the L7 and CT to having clearer, better sounding, "pinch Bbs" as well as having good clarion "access". Galper's [Speaker Vent] pat 5,241,890 and M Selmer's 2,226,536 and Sciacca's 3,413,884, all show lesser intrusion with some of the tube's length outside of the U J body, [ on a "boss" or other terminology perhaps?]. It would seem that, possibly, our makers' research to obtain improved Bbs by this simpler method may have helped defeat the more complex method's "marketability" except for their use on the larger clarinets, alto, bass and contras, where the problems are more severe. I'll appreciate all thots and comments on this "momentous" question. Don

Thanx, Mark, Don

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