Tri-chord wound strings - was formulae.......

[Mark Dierauf]

When I used to do a lot of rescaling I redesigned an old 3 bridge S&S A
scale and replaced the wound trichords with wound bichords, but they
still sounded to me like they were anomalous with the timbre of the rest
of the piano. (They did tune 33% cleaner, though! ;-) My thinking is
that where you have a section of strings of a different length, pulling
different tension, strung across a different bridge glued to a different
part of the board, they're likely to sound different. Transition bridges
were a remedy for just this problem (the bass/tenor break), but they add
a second tonal "break". Carefully designed and manufactured strings will
minimize the tonal transitions on either two or three bridge designs,
but my ears much prefer the sound of wound strings at the bottom of the
treble bridge, regardless of their appearance on graphs of tension and
inharmonicity
 
- Mark Dierauf
 
 
 
-----Original Message-----
From: piannaman at aol.com [mailto:piannaman at aol.com] 
Sent: Wednesday, October 04, 2006 8:29 PM
To: pianotech at ptg.org
Subject: Re: Tri-chord wound strings - was formulae.......
 
Gentlemen,
 
I'll admit that I have no real knowledge of scale design.  That said,
I'm curious if you scalers would reconfigure the older M and H AAs with
transitional bridge.  They are kind of difficult to tune. That said, I
like the way they sound.  Do y'all think wound bicords would be an
improvement?
 
Thanks,
 
Dave Stahl
 

Subject: Re: Tri-chord wound strings - was formulae.......

 
Yup, the same principals apply regardless of the name on the fallboard
or the number of casters. 
 
Ron N 
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