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Re: Thumb key bush - silver plating

Author: Chris P
Date: 2013-01-02 18:35

You should have it replated as this will protect the base metal from pitting and corroding. On clarinets where the thumb tube plating has worn, the exposed areas of the underlying metal can wear away leaving sharp edges.

What will most likely be done is the thumb tube is removed, then the plating on the inside removed (if needed) and the damaged area tidied up and polished to a bright shine, then the thumb tube is replated and then refitted.

While the thumb tube is mainly used for F#, if this note is already slightly flat, then extra plating could flatten it further if the plating is applied thickly and it may not fit back into the joint easily without enlarging the hole in the back of the top joint slightly. But that's only if an excessive amount of silver is plated onto it.

But usually replating the thumb tube won't have much of an effect on the tuning. F# is such a variable note and chances are it may be on the sharpish side.

Former oboe finisher
Howarth of London
1998 - 2010
The opinions I express are my own.

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