Klarinet Archive - Posting 000270.txt from 1997/11

From: Bill Hausmann <bhausman@-----.com>
Subj: Re: Vacuum test
Date: Thu, 6 Nov 1997 19:22:20 -0500

At 09:02 AM 11/6/97 -0500, Jerry Korten wrote:
>Niel,
>
>IMHO A positive pressure test is better than a vacuum test. The vacuum test
>will pull the pad toward the tone hole and actually seal better, leading to a
>false positive conclusion. You can also risk pulling the skin away from the
>pad.
>
>If you blow into the horn to check for leaks it is better. The best is to
>check the seating of each pad using a feeler.
>
Of course, nothing prevents you from both inhaling and exhaling. But
positive pressure will open pads held shut by spring pressure only. And if
you can peel the skin off a pad, I think we can find you a job as a vacuum
pump! :-)

Bill Hausmann bhausman@-----.com
451 Old Orchard Drive http://www.concentric.net/~bhausman
Essexville, MI 48732 http://members.wbs.net/homepages/z/o/o/zoot14.html

If you have to mic a saxophone, the rest of the band is too loud.