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Re: A Clarinet

Author: kdk ★2017
Date: 2020-07-13 21:06

One reference I looked at dates this series as 1950. You probably should have a knowledgeable repairman evaluate it and see what might be causing this. Could be your mouthpiece is mismatched. Is the barrel an original from the period?

There might be issues between the clarinet's bore and the barrel or the mouthpiece causing the too narrow twelfths. If that's the right date, it would have been before Buffet started using a polycylindrical bore, so it may have been a larger bore than we're used to. The bore may have changed since then and , if it has gotten narrower, it might be reamed back to its original spec.

Have you checked with a tuner to see which register is actually in tune? It may be that the 2nd register is actually flat and the chalumeau is actually closer to the right pitch. How long is the barrel?

A very short barrel might sharpen the chalumeau register more than the clarion. If the chalumeau notes are actually sharp, what happens if you pull the barrel (and if necessary the mouthpiece) far enough out to make the low notes play in tune?

There might be an issue with the register tube. You could try cleaning it out. Changing it might help.

The overriding consideration to me is that the clarinet almost certainly tuned better than you describe when if was made. So something has changed and, if you can find where the change happened, the instrument might be made playable.

Karl

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