Rear Duplex

[Delwin D Fandrich]

----- Original Message -----
From: Stephen Birkett <birketts@wright.aps.uoguelph.ca>
To: <pianotech@ptg.org>
Sent: Monday, September 27, 1999 7:48 AM
Subject: Re: Rear Duplex


> Del wrote:
> >      4)  The Tuned Aliquot System.  If the back scale is designed such
that
> > its length is, or can be adjusted to, some exact divisor of the speaking
> > length, I refer to it as a 'tuned aliquot system.'
> >
> >
> So what do you call the Bluethner system with the fourth aliquot string?
>
> Stephen

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I call it the "Bluethner system with the fourth aliquot string."  In the
context of this discussion, it is apples vs. oranges.  The principle of
operation is entirely different from those under discussion here.  So are
the acoustic results.

Del
Delwin D Fandrich
Piano Designer & Builder
Hoquiam, Washington  USA
E.mail:  pianobuilders@olynet.com
Web Site:  http://pianobuilders.olynet.com/