Klarinet Archive - Posting 000166.txt from 2000/03

From: "Andrew J Middup" <Middup@-----.com>
Subj: Re: [kl] Clarinet Pitch/Vandoren 13 Series Mouthpieces
Date: Sun, 5 Mar 2000 13:27:05 -0500

Fernando

As far as I can tell the external lengths of my old B40 and the B40 - 13 are
the same but there is clearly an internal difference as the length of the
window (slot) is approximately 30.5 mm on the B40 but 32 mm on the B40 -
13. I do not have the equipment to measure other dimensions with any
accuracy.

In a Buffet catalogue that I acquired about five years ago, there are three
Bb/A RC models with 17 keys and 6 rings listed at different pitches:-

Models 1111/1211 at A440 . Barrel lengths are 66mm and 65mm
Models 1112/1212 at A444. Barrel lengths are 64.5mm and 64mm
Models 1113/1213 at A442. Barrel lengths are 65mm and 64.5mm

The same catalogue only lists the R13 (models 1131/1231) at A440.

If your information is that all the RC models are basically designed for
A442 , does this mean that the pitch changes for other models is purely due
to the barrel length or are there other changes as well? I would have
thought that using the barrel alone would give large intonation differences
between the top and the bottom of the registers.

Andrew

Fernando Silveira wrote in reply to Andrew Middup 4 March

Hi Andrew, I am not an expert in it but I would like to exchange ideas with
you.
The main diference betwen the 13 series and the standard series is the
lenght of the mouthpieces - I say that because I know that the same machine
is used to make both(I mean the same bore, tip, etc.)
You said you own a pair of RC clarinets. I have the information that RC are
tuned to be played with A@-----. I never saw in any Buffet
clarinet's body somethink saying that it is 442 or 440, I just have the
information the RC@-----.
The new models of Selmer have in its lower joint a A@-----. My
own horn have it. But, in Brazil, we play A=442 and I had some pich problems
with it. So, I ordered a small barrel and now it works perfectly with
A@-----.
I felt the the throat tone became a litle sharp, but I preffer it sharp then
flat!

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