[CAUT] Bass bridge, string scale, cantilevered bridge, tone

Delwin D Fandrich fandrich at pianobuilders.com
Sat May 3 14:18:19 MDT 2008



| In the case of the 5'10" Steinway 'O' with a suspended 
| bridge and a bottom A length of 139 cm. it could well be
| argued that, all other things being equal, the apron could be
| considerably reduced or even removed altogether, resulting in
| a bottom A length of, say, 130 cm.
| and tonal results achieved which most people would see as an
| improvement.  This is a plausible hypothesis because it still
| leaves the piano with string lengths that are quite
| acceptable and even common in a piano of that length.
| JD


In some cases I have simply undercut the end of the bass bridge to avoid using a
cantilever. In the case of the piano shown below I removed the cantilever and
undercut the end of the bridge back to the c/l of the rib immediately below the
soundboard. This is a fairly short undercut; I've gone as far back as 60 to 75
mm on shorter pianos. Just as effective at putting the bridge contact point back
away from the inner rim without most of the negative side affects of the
cantilever.



 
 
 
 
 
 
 
 
 
 



(Yes, I know I should have used a shorter loop on the bass strings.) 

Del 

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