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Re: Fixing a flat note

Author: kdk ★2017
Date: 2013-11-28 00:45

You won't need anything done to the bore. Since both are flat, they can certainly be made higher without affecting much else on the clarinet.

Is E4 (first line)/B5 in tune? If they're also flat, it cold be that the pad between LH index and 2nd finger isn't open enough, which can be caused by bridge key misalignment, too thick a pad or poor adjustment of the pad cup height.

If E/B is OK, you might check the LH index finger tone hole to be sure there's no buildup of dirt (or even tape put in previously to lower the pitch with a different mouthpiece or barrel) reducing the hole's diameter. If there's anything in there, clean it out carefully and then see where the pitch is.

F/C may be raised with a little careful undercutting of the index finger tone hole, but this should be done by an experienced repair person with the right undercutting tools. I've known people to try it free-hand with files, but you can make an awful mess out of it and damage the tone hole even if you know what you're doing. That work shouldn't be expensive if you can find a good tech locally - it's a few minutes' work and no materials - only the tools themselves. If you sent it somewhere, the shipping might cost more than the labor, so I'd try to find someone within a reasonable drive and bring the instrument there yourself.

Karl

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