Klarinet Archive - Posting 000224.txt from 2011/08

From: Geoffrey Secomb <geoff@-----.au>
Subj: Re: [kl] bass clarinet register pads adjustment
Date: Sun, 28 Aug 2011 23:53:32 -0400

Clark Fobes wrote an article quite some time ago which detailed in very
clear words and diagrammes exactly what needs to be done to set up an older
Selmer bass clarinet register mechanism. It was published, maybe in The
Clarinet.

One of the areas which springs to mind that often needs attention is the
amount of travel in the long rod which brings motion up from the lower joint
(and I don't mean travel as in sloppy or loose keywork.) Too much or too
little here can cause all sorts of problems, and spring tensions are also
critical, as is the seating of the larger pad - it MUST be absolutely level
on the hole. A cork pad on this one can help a lot.

Best of luck,
Geoff Secomb.

On Mon, Aug 29, 2011 at 1:15 PM, Peter Stoll <peterstoll2000@-----.ca>wrote:

> Hi everyone,
>
> The thread today about adjusting the lower joint of a Selmer bass reminded
> of one of my "mysteries of the universe"; how to adjust out play in the 2
> register pads on the upper joint of bass clarinets that use the 'balance
> beam' or seesaw-type mechanism (I play a Buffet that has several blessed
> adjustment screws to simplify this process). I recently tried a bass with
> the problem of the throat Bb sounding thin and sharp as the reg. pad that's
> supposed to close wasn't fully...but playing with the one adjusting screw
> meant the *other* pad wouldn't seal for the higher clarion notes.
>
> I've never understood what one must do to line these both up properly, any
> hints would be gratefully accepted!
>
> Thanks a lot,
>
> Peter Stoll
>
>
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