At 01:39 PM 12/15/2007 -0800, you wrote: >up the scale to the C and certainly by the G (G/C instrument), >the thing just screeches uncontrolably.
Hi Ian,
Is the offending string the one that is furthest away from you?
If the shimming is too thin the pressure of the key will
push the string further into the rising curve of the wheel and increase
the pressure of the string on the wheel. I've just had the same problem.
Regards, Tony
