Sherman Clay grand

[Greg Newell]

Les,
    If you're having trouble making a curve with TLab97, have you considered
using the TLabPro demo to build a curve and then save it and open it with
Tlab97 to execute the tuning? Just a thought.

Greg

Leslie W Bartlett wrote:

> I was called out to check a tuning I did about a month ago, which a
> pianist, visiting, said was very badly out of tune.   I have tuned this
> piano three times (4-now) all of them aurally because I couldn't get TLab
> to make a tuning curve that even came close to the "little red boxes"
> (help me, Dave Porritt).  Even substituting notes for each other, the
> inharmonicity readings were splayed all over the place.    I suggested a
> new, very expensive set of bass strings might help, but there were
> problems all over the piano.  The gentleman watched me set up the
> TuneLab, saw there results, and, as an engineering PhD, said he was
> familiar with overtones, partials, etc., and when compared with the curve
> of a Yamaha G3, he was satisfied that the tuning on his piano would
> probably not match the much more competitor's piano.  His reason for
> calling me was that a lady visited them one day, and played "a few notes"
> and said it was badly out of tune.  Talking with this lady it was obvious
> she had no tuning background, and her "perfect pitch" was, as we all
> know, likely good "relative pitch", but certainly not perfect.
>
> My expressed opinion was that this was a lesser expensive model of piano,
> and there are reasons that some pianos that size cost upwards of $30,000.
> His piano had certain challenges which could be minimized, but not
> entirely eliminated, except with a complete restringing, and I am not at
> all sure that would fix it.  He agreed, and, after I showed him the
> temperament, smooth fourths and fifths, clear progression of thirds,
> etc., which he said he heard, went through the entire piano in about 30
> minutes, after pulling the action two or three times to fix little things
> along the way.  When I tested notes using a tuning of a Yamaha G1, using
> TLPro, the tuning was very close to that curve.  I also showed Mr. Yli
> what I called "extraneous noise" in the very top, as indicated by
> multiple "spikes" in the graph, and he then said he has done harmonic
> measurements in buildings, and understood the concept.    He was very
> gracious, and appreciatve of my willingness to re-examine my tuning, and
> I was rewarded to check it over and find only a few things that bothered
> me, a month after the tuning.
>
> This is a 1985 Sherman Clay SGD-2.
>
> Any comments?  If willing to do so, please "cc" to Yli@dodi.com.
> Thanks
> Les Bartlett
> Houston
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--
Greg Newell
Greg's Piano Forté
12970 Harlon Ave.
Lakewood, Ohio 44107
216-226-3791
mailto:gnewell@ameritech.net