Author: Chris Hill
Date: 2007-09-19 00:13
I've had instruments I've owned measured, and over time, the bore in the upper joint has gotten larger, and the playing characteristics changed. (The resistance is less and the pitch rises, particularly in the 12ths from F-C, E-B and D-A.) I carefully dry the instrument after I play, but for whatever reason (I've heard several theories) the bore has changed. Recently, two friends of mine have had bore replacements done in the upper half of the upper joint. Both of these instruments played quite well after this; the washed-out sound and bad pitch disappeared.
Chris
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