Klarinet Archive - Posting 000579.txt from 2004/11

From: Fred <fred.sheim@-----.net>
Subj: Re: [kl] Meaning of undercut tone holes?
Date: Sat, 20 Nov 2004 09:15:03 -0500

I have a 1962-3 R13 (72xxx) that I thought was a small bore polycylindrical
instrument. The holes are NOT undercut and it is a great horn. ???

Fred

At 11:32 PM 11/19/2004, you wrote:
>At 10:25 AM 11/19/2004 -0500, Vann Joe Turner wrote:
>>Hi all,
>>
>>Can somebody explain a term for me. I've heard it for years, but have no
>>mental picture of what it means.
>>
>>What is meant by undercut tone holes?
>
>If you have ever seen a countersunk hole for a screw, that is pretty much
>what they do inside the bore with the tone holes. They cut an
>outward-tapered entry into the bore from the straight-walled tone
>hole. Undercutting is not required on older-design, straight, large-bore
>clarinets, but must be done on the smaller-bore, polycylindrical instruments.
>
>
>Bill Hausmann
>
>If you have to mic a saxophone, the rest of the band is TOO LOUD!
>
>
>
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