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The Clarinet BBoard The C4 standard

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Re: first and first Bb

Author: Chris P
Date: 2016-05-24 20:52

You adjust the long Bb linkage by fitting a thin piece of silencing material and gently bending the key until you have the pressures on both ring key pads right.

I personally prefer the LH2 ring key pad to close with a bit more pressure than the RH ring key pad as that will ensure the long Bb is reliable as it won't be if the LH2 pad closed with less pressure.

There's a certain amount of torsion in the keywork and also compression in the pads and silencing material (if soft pads and silencing materials have been used) that will allow things to work well for the long term.

With any linked keywork on woodwinds it's best to have the uppermost pad to close with the firmest pressure and then all pads below it to close with progressively lighter pressure as you go down to the lower end of the instrument so just using a single key will close all the pads in question. This is how the crow's foot regulation should also be set up so using just the LH E/B lever will give you E/B without having to hold down the RH F/C touch. And also on low C basses where all the lower joint keys from the RH F/C touch to the low C key can be closed to get low C with one single touchpiece.

Work with the materials and the torsion in the keywork and you'll have better reliability and stability as opposed to going on the theory as in practice things aren't always the same. Go with what works.

Former oboe finisher
Howarth of London
1998 - 2010
The opinions I express are my own.

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