Klarinet Archive - Posting 000884.txt from 2003/03
From: "Dee D. Flint" <deehays@-----.net> Subj: Re: [kl] Introduction Date: Sat, 22 Mar 2003 15:17:27 -0500
----- Original Message -----
From: "Dan Leeson" <leeson0@-----.net>
Subject: Re: [kl] Introduction
> This is a very lucid description, but what it says to me is that the
> clarinet -- closed at one end due to clarinet reed action -- overblows a
> 12th, but when closed at one end due to oboe reed action, it overblows
> an octave. And since that fails to make sense, the thinking must be
> wrong in my head.
>
> To make sure that I did not say it incorrectly, I restate:
>
> a clarinet with a clarinet mouthpiece and reed will overblow a 12th as
> we all know;
>
> a clarinet with a cork (with a hole in it) replacing the mouthpiece and
> an oboe reed stuck in the cork's hole, will overblow an octave.
>
> Aren't both cases a cylindrical instrument with one closed end?
>
No, the oboe is a conical bore. No matter what type of reed and/or
mouthpiece you use, the oboe overblows an octave.
Conversely, the clarinet is a cylindrical bore. If you use an oboe reed in
a cork, it will still overblow a 12th as you still have a cylindrical pipe
close at one end.
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