Author: shmuelyosef
Date: 2019-02-27 04:29
It's always interesting to me how much discussion there is about tenons and barrels. The problem could be multiple things, but some simple measurements make a big difference. The first thing is to make sure it is not just a fat cork...although experienced WW players will be familiar with this one.
When someone brings me a clarinet, the first thing that I do is measure the bore of the socket and the tenon O.D. I do this at the top and bottom, and also perpendicular and parallel to the grain. With new-ish clarinets, half the time the tenon has gone out of round (even at the bottom when there is a metal tenon ring!). Often, one or the other will have a taper...probably from finishing with too heavy a cut or too fast a feed at the end step.
The out-of-round you can test well by greasing the cork well, aligning the logos or whatever, and then just assemble by pressing (no twisting). If it goes together easier this way, it is probably out of round. Conversely, try pressing it together at 90 degrees misalignment and see if this is much harder.
However, the measurements always point immediately to the answer. A bore gauge and dial (or vernier) caliper is all you need.
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The Clarinet BBoard
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