Jim and List, I have been following the tuning threads and have learned much. I would mention that when I do an FAC tuing on the same piano several times a year I have noticed that the A4 measurement changes from season to season. I have seen it go from 7.0 in the winder to 9.0 in the summer. I have a little problem added 1.0 cents to an A4 at 9.+ cents. I mentioned this phanominum (sp?) of the A4 changing to Al Sanderson who suggested that the impedence of the board changes with the addition of moisture to the board. The instrument I am refering to are S&S Ds where the humidity goes from 20% to near 80% or more per season. I have also noticed the same in a C-7 and two Bs. I really dis like high A4s and C6s. Newton nhunt@jagat.com
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