Klarinet Archive - Posting 000955.txt from 1998/03

From: ROBERT HOWE <arehow@-----.net>
Subj: Re: another interesting acoustical phenomenon
Date: Mon, 16 Mar 1998 07:12:10 -0500

It apparently is the combonation of cylindrical bore and single reed
that removes the second peak from the clarinet's sound spectrum. I
forget why. Dr Benade used to demonstrate this with a flute head joint
made to fit clarinet, which then indeed overblowed the 8ve. Find Peter
Hoejke online, he'll remember the answer. It probably is in
Fundamentals of Muscial Acoustics as well but my copy is downstairs and
I'm rushing off to work....maybe later.

RObert

>Date: Sun, 15 Mar 1998 16:30:32 -0700
From: Edinger/Gilman <wde1@-----.com>
Subject: oboe reed for octave shift

Finally, after keeping my oboe reed from woodwinds class in my case for
a little over 25 years, Dan Leeson has given me an opportunity to use
it! Alas, though I tried the suggested experiment using the oboe reed in
a cork in place of the mouthpiece, even after lots of soaking and gentle
attention, I couldn't get it to speak at all in the clarinet. I don't
think enough air could get through. Fortunately, I also kept my basson
reed from the same class (I was a biology major but needed to become
familiar with other woodwinds - even received the "guess what woodwind
I'm playing now?" award at the end of the year). With a little extra
extension piece, I was able to place it in the same way and lo and
behold, it's true! It really does make the register key an octave key!
However, I could only get it to play in the E'-D'-C'-A' range (at the
low end of the staff). Other notes drifted badly flat or sharp. But my
tuner confirmed the octave shift, though with terrible intonation
problems. A new toy to show folks at band rehearsal!

Bill Edinger

   
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