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Re: repair/adjustment advice needed

Author: clarnibass
Date: 2020-01-09 19:48

>> once the tenon(s) problem is fixed it does not come back. <<

Not always true. I've seen a couple of clarinets where I had to refit the tenon three times. Of course this is very rare, but there were a few more that had to be fitted twice. This is probably a sign of pretty unstable wood...

The tenon diameter was larger than the socket diameter, it was turned to the largest diameter that allowed it to not bind when played, then some months later the tenon was again binding.

>> Check if the joint holds suction. It should. If it doesn't, it means that either the register tube or the thumb tube is not sealed well. <<

These are likely but there are a few other options.
A tone hole (or end of the bore hole) might have some kind of tiny chip on the side that whatever you use to seal doesn't go into (sometimes hard to notice since it's not at the top too).
It can leak from various places in the wood. Posts and countersinks are the most common places (not that it's common).
Some leak through the tenon (through the cork too).
The weirdest case I've seen was a leak from a few tiny holes at random places on the body itself, impossible to see without a magnifier and without knowing they are there.

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Date

repair/adjustment advice needed new

m1964

2020-01-02 23:50