Smith-Coleman/QUESTION

[Delwin D Fandrich]

> >The effect of unisons changing as the 2nd and 3rd strings are pulled in
> >a a phenonemon which applies more to the 5th and 6th octaves than in the
> >temperament octave according to measurements which I have taken. Even in
> >that range, on some notes the change is almost negligible.
> >
> >Jim Coleman, Sr.
------------------------------->
> 5th and sixth octaves, huh? Killer octave, huh? Now you've got me curious
> and I've got to try this on a couple of different soundboard designs. You
> don't suppose... Impedance, fundamental resonant frequency? It seems to me
> that all this almost certainly connects. Del, did you ever notice a
> correlation here? Well, anyway, when I get some pianos up to take some
> measurements from, I'll take notes and see if I can eventually make sense
of
> anything.
>
>  Ron N
>
---------------------------------

No.  But then I avoid tuning whenever possible these days.  Take some
measurements and think about it.  The only thing I can think of right now is
that compression-crowned soundboards do tend to collapse fairly rapidly
through this region.

Del