stability of pitch raises

Jon Page jon.page@verizon.net
Thu, 30 Aug 2001 07:09:04 -0400


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At 09:56 PM 08/29/2001 -0400, you wrote:
>I do all my pitch raises using RCT, so I end up very close to pitch after the
>first pass.  If the piano is 50 cents flat or more, I have always warned the
>client that a pitch-raised tuning is a less stable tuning, and that their
>piano may need another tuning in 3 or 4 months.   Rarely do they actually
>call me in 3 months.  Most often I come back in a year...OR TWO, and I am
>usually surprised at how well the piano has stayed in tune.  Not that the
>piano doesn't need a tuning, but it's tolerable enough that I can understand
>why I haven't been called back sooner.  I suppose it's possible that the
>piano did all its drifting in the first 3 months, and just stayed there, but
>I'm starting to wonder about the conventional wisdom that a pitch-raised
>tuning is less stable.
>
>Could it be that the use of the RCT negates the instability issue by virtue
>of getting the piano so close to pitch after the first pass?
>
>Any thoughts?
>
>Tom Sivak

If the piano is more than 8 cents off pitch it should be tuned a second 
time that day
to even off the tension. Just think how well the piano will sound a few 
years later...

Regards,
Jon Page,   piano technician
Harwich Port, Cape Cod, Mass.
mailto:jon.page@verizon.net
http://www.stanwoodpiano.com
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