 The Clarinet BBoard
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Author: ThatPerfectReed
Date: 2014-05-19 02:37
What are those who are using this mouthpiece on Boehm System clarinets doing, if anything, to deal with the fact that the tenon on the mouthpiece is slightly longer (German) than what a standard Boehm System barrel will take?
Is it true that Wurlitzer makes a barrel to allow the M30D to interface with a standard Boehm clarinet? (As opposed to Reform-Böhm clarinet whose attributes I don't know. I sent them an email.)
FWIW, I put a rubber ring on the mouthpiece's tenon, closest to the mouthpiece, to accomodate this extra space, and use my Boehm barrels with it, without losing A440 pitch. But maybe this is not a good practice.
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Author: Chris P
Date: 2014-05-19 02:43
The tenon isn't any longer than a regular Boehm mouthpiece - they offer narrow and wide tenons on their German mouthpieces, so see which one is best suited to your barrel.
If the narrow one is still too wide for your barrel, the tenon rings can easily be turned down so the mouthpiece fits.
Former oboe finisher
Howarth of London
1998 - 2010
The opinions I express are my own.
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Author: ThatPerfectReed
Date: 2014-05-19 04:11
Mr. Peryagh:
I appreciate your help, but either we are lost in translation, or have different experiences.
As per the attached picture, the tenon on the M30D is longer than that of standard Boehm mouthpieces, while the circumference/diameter/radius of the tenons of the 2 mouthpieces appears to be identical.
The M30D is on the right. I've drawn two lines where each mouthpiece tenon ends and the mouthpiece section begins. A removable rubber ring sits immediately below where the tenon on the M30D begins.
Post Edited (2014-05-19 04:17)
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Author: Paul Aviles
Date: 2014-05-19 05:32
I also could never figure out exactly what the "D" mouthpiece was built for.
Wurlitzer Oehler clarinets (like all other Oehler clarinets) take a mouthpiece that is smaller as far as what we see on top of the clarinet (beak, length,body) but the tenon is larger in diameter (this is/was to facilitate the extra torque associated with wrapping string around the reed/mouthpiece).
I ordered a "D" for my Wurlitzer back in the early '90s only to find it WAY too small (it literally fell into and rolled around the upper socket of my barrels).
A friend of mine has a "D" currently that he uses on a Boehm. I think his is long by a millimeter........."what instrument were they meant to fit????"
..........Paul Aviles
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Author: Jeroen
Date: 2014-05-19 12:40
The recent 'D' mouthpieces (B40D, M30D) are designed for German clarinets using French reeds. That's why the tenon is longer.
To fit the wider German barrel Vandoren makes the cork thicker. The tenon width is small enough to fit in a French barrel. You may have to sand the cork a bit.
So you can use it also on French clarinets.
If the pitch is too low I would shorten the tenon to match the French socket length.
The older German mouthpieces (e.g. VD3) come in 2 tenon sizes: W (Wide to fit German barrels) and S (Small to fit French size barrels).
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Author: ThatPerfectReed
Date: 2014-05-19 19:48
Having just spoken with representatives at Vandoren's New York City office, I can say that they concur with Jeroen's findings regarding tenon length.
According to Vandoren, placing a rubber ring, like I did, at the end of the tenon, when used with Boehm clarinets, is neither wrong nor needed, and the extra length does not affect pitch.
I did not have to shave the cork to make it work in a Boehm barrel, but did notice that it fit more snugly into the barrel at first than most other mouthpieces, but not more so than it being an observance that cork grease addressed.
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Author: cyclopathic
Date: 2014-05-19 20:27
I wouldn't worry about this too much; the diff btw Reserve and M30D in pic isn't more then a couple tenth. There is more variation in barrel tenon socket depth then that. You'll be alright as long as cork seals well and MPC isn't wobbly.
BTW many Selmer MPCs have longer tenon and tend to have a gap on outside. IMHO it is better to have a gap outside then in the bore. I have installed tuning rings in MPC socket to get rid of bore gap, and it improved overall tuning, YMMV
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