Pitch Raise Sequence

[Joe & Penny Goss]

Hi Ed,
If the piano is overall 20c flat when you begin C88 will be a lot flatter by
the time you get arround to tuning it. No?
Joe Goss
----- Original Message -----
From: <A440A@AOL.COM>
To: <pianotech@ptg.org>
Sent: Saturday, September 09, 2000 12:37 PM
Subject: Re: Pitch Raise Sequence


> Ron writes:
>
> <<  If you SAT pitch raise from the bass to treble,
> tuning unisons as you go, why would you have any overpull at all at 88,
> since the rest of the piano should be all nicely compressed and at pitch
> and that last unison shouldn't knock the adjacent notes down appreciably?
> Doesn't compute, unless I'm not understanding how the overpull estimate is
> stated.  >>
>
> Greetings,
>    Assume a 20 cent  flat piano, everywhere.  A SAT will have you pulling
> things 5 cents sharp as you go,  actually increasing a little as your
efforts
> affect the strings in front of you.  So, let's say the final octave is 22
> cents flat.  Adding 5 cents to the C88 doesn't represent much sharpening.
> Musically, some tuners like the C to be far sharper than that anyway, and
> from a pitch raise standpoint, the difference is neglible to your next
pass.
> I don't know of any commercially viable aural pitch raising techniques
that
> would provide for C88 to be closer than this to its final position.
> Regards,
> Ed Foote RPT
>    (All this problem can be avoided by not raising that last note past
> standard pitch.....but that means you don't want to raise the B7 either,
> then what to do about the Bb7,  and pretty soon, we realize that there is
no
> where to begin and we CAN'T raise the pitch at all! (:)}}
>
>