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Re: Selmer 10s sharp clarion let hand

Author: Ken Lagace
Date: 2018-05-14 23:56

Here is a general outline of tuning fixes. Your question is answered near the top.
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Lower register flat and left hand upper notes sharp?
Barrel bore too large.
Sharp in the upper part of the second register and the lower altissimo notes?
Barrel bore too large.
Altissimo notes flat?
Barrel bore needs to be cylindrical or mouthpiece bore too large.
Altissimo sharp and the throat tones flat?
Barrel bore needs to be conical, (smaller toward the bell).
Flat in the upper part of the second register and the lower altissimo notes?
Barrel bore too small.Twelfths near the mouthpiece too wide?
Barrel bore needs to be conical, (smaller toward the bell).
It is essential to use a mouthpiece with the correct bore size and shape for a given clarinet.
A mouthpiece with a bore smaller than ideal will play;
*Sharp up to about A in the second register and flat above that?
Mouthpiece bore is undersize.
*Flat up to about A in the second register and sharp above that?
Mouthpiece bore is oversize.
(Because –This works for the lower register, esp. throat area. However, the effect diminishes when going higher. For the altissimo it's mainly the length of the bore that counts, not the volume. So, reaming your mouthpiece makes the throat notes lower but will not alter the altissimo.)
Left hand twelfths too wide?
Expand the bore around the speaker hole either conically or cylindrically.
Altissimo is sharp and the twelfths near the mouthpiece are too large?
A conical barrel will help.
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Post Edited (2018-05-15 19:50)

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