Klarinet Archive - Posting 000009.txt from 2008/04

From: GrabnerWG@-----.com
Subj: Re: [kl] Wandering 12ths
Date: Tue, 01 Apr 2008 23:58:57 -0400

In a message dated 4/1/2008 8:55:36 P.M. Central Daylight Time,
dnleeson@-----.net writes:
What this may indicate is that your instrument is following the laws of
physics of 18th century clarinets, and the 12ths are going to be difficult
to fix.>>
The same laws of physics plague all clarinets. No matter whether 18th
century or 12st century.

We have gotten a little smarter in dealing with them, that's all.

A straight bore clarinet will have significant problems tuning the 12ths.
Hence the success of Buffet when they introduced the poly-cylindrical bore.

We also work on the problem with reverse taper barrels, which help close the
"too open" 12ths in the upper joint of the clarinet.

No one yet has solved the 12ths in the bottom of the clarinet, manufacturers
basically let the low F and E go way flat, to keep the clarion B and C in
line with the notes directly above and below.

You could probably have "perfect 12ths" if you had 18 different register
tone holes, instead of one which must also be used as a Bb vent. But you
certainly would have a lot more thumb action.

Read Arthur Benade for a more thorough discussion of this issue.

Walter Grabner
www.clarinetxpress.com
New Buffet Clarinets - Personally Selected Toscas in stock.

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