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Vandoren mouthpiece facings

Author: Bassie
Date: 2007-01-13 15:09

Digging through the archive, I found a little Vandoren leaflet with the following useful information. They don't publish actual facing lengths any more, so I thought I'd share it...

Mouthpiece : opening / mm : length / mm

Soprano
2RV/5RV : 1.065 : 19.5
5RV lyre : 1.09+ : 20.5
B44 : 1.105 : 19.0
11.1 : 1.11 : 21.0
11.6 : 1.16 : 20.5
B46 : 1.17+ : 19.5
B40 : 1.195 : 21.5
B45 : 1.195 : 21.5
B45. : 1.195 : 21.5
B45 lyre : 1.27 : 22.0
5JB : 1.47 : 22.5

Eb
5RV : 1.065 : 18.5
B44 : 1.105 : 19.0
B40 : 1.105+ : 19.0

Alto
5RV : 1.26 : 22.0
B44 : 1.39 : 23.0
B40 : 1.39+ : 23.0

Bass
B30 : 1.70 : 28.0
B44 : 1.84 : 29.0
B40 : 1.925 : 30.0
B45 : 1.925 : 30.0
B46 : 2.05 : 32.0

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Re: Vandoren mouthpiece facings

Author: marvin
Date: 2007-01-14 02:33

Thanks for posting this. It raises a question for me at least.

Over the years, I have played on several different B-45s as well as other mouthpieces. Currently, I play on a B-40. The chart above is interesting in that the specs on both the B-40 and the B-45 are the same.

B40 : 1.195 : 21.5
B45 : 1.195 : 21.5

Does anyone know what the difference between the two models is? Has there ever been an explanation from Vandoren?

Marvin Western

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Re: Vandoren mouthpiece facings

Author: Bassie
Date: 2007-01-14 15:05

I believe that B40 has a wider tip rail, which makes it more resistant and less bright-sounding. B45 dot supposedly has a larger chamber, which for me makes it easier-blowing and is supposed to give a bigger sound. Beggar to control, tho.

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