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The Clarinet BBoard The C4 standard

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Re: Venting A on long pipe B

Author: Luuk ★2017
Date: 2017-09-21 11:35

You are using the A vent as a register vent, but lower on the clarinet than the regular register vent.
As you may know, the register vent should be located at a low pressure node in the bore. This node moves downward with 'longer' notes. The register vent however is fixed at its location, which is generally too high for B4 (and C5). By opening the A you effectively move the register vent to a lower position, better matching the location of the low pressure node.

Try this: rest the bell on your knee, and use your right thumb to reach the four upper trill keys (normally operated by right hand index finger knuckle). Finger the B but leave the normal register key closed, and open the trill key second from above. Try the same with C, but with the key first from above.

I seem to remember I got this ideas for Mr. Ridenour, but I don't remember how or when.

Regards,

Luuk
Philips Symphonic Band
The Netherlands

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