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<DIV><FONT face=Arial size=2>Hi Dave:</FONT></DIV>
<DIV><FONT face=Arial size=2>I too, have seen an occasional negative =
FAC number,
and I also don't know what it means. I'd be interested in =
knowing.
FWIW, on a vertical, in small print, I write the FAC numbers on the =
hammer
moldings or on the sides of the hammers if its a nice new piano, and on =
grands,
I record the numbers to the right of the tuning pins on the plate with a =
fine
point marker pen. The music desk covers these small numerals when =
in
place, and it eliminates measuring the numbers next time I come to =
tune.
They change ever so slightly, or not at all on the same piano. =
Will look
for you all in Chicago.......Mike Kurta</FONT></DIV>
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<DIV style="FONT: 10pt arial">----- Original Message ----- </DIV>
<DIV
style="BACKGROUND: #e4e4e4; FONT: 10pt arial; font-color: =
black"><B>From:</B>
<A title=algiers_piano@bellsouth.net
href="mailto:algiers_piano@bellsouth.net">Dave Doremus</A> </DIV>
<DIV style="FONT: 10pt arial"><B>To:</B> <A =
title=pianotech@ptg.org
href="mailto:pianotech@ptg.org">pianotech@ptg.org</A> </DIV>
<DIV style="FONT: 10pt arial"><B>Sent:</B> Wednesday, May 29, 2002 =
12:11
AM</DIV>
<DIV style="FONT: 10pt arial"><B>Subject:</B> SAT and K&C</DIV>
<DIV><BR></DIV>
<DIV><FONT size=-1>I tunes a brand new Kohler and Campbell KIG-47 =
today. Aside
from all the damper problems I was struck by one thing. When doing the =
FAC on
my SAT III (too many initials I know), the F reading came out -2.2 =
cents. I
was expecting maybe +18. First time I've seen a negative reading. I =
did the
pitch raise (25 c) with that calculated tuning and then did a pickier =
pass by
ear and it came out fine. But I was curious if anyone else gets =
negative
inharmonicity readings on cheap pianos and what it might
mean.....</FONT></DIV></BLOCKQUOTE></BODY></HTML>