Mason & Hamlin AA scale.

[Mark Dierauf]

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I did an old S&S A1 over with all bichords on the third bridge. It still
had that "third bridge" tenor sound, but at least the top 7 bichords
were 33% easier to tune! Plus they damped better.
;-)
- Mark
 
-----Original Message-----
From: Erwinspiano@aol.com [mailto:Erwinspiano@aol.com] 
Sent: Saturday, July 17, 2004 12:01 AM
To: pianotech@ptg.org
Subject: Mason & Hamlin AA scale.
 
     To all esteemed scaleheads,
  I just received a AA for a complete rewhatevering & I'm very
unimpressed by the bass tenor break. This one is 1919 with 2 bichords &
7 trichords. With all of our discussions about third bridges & such I'm
drawing the conclusion that this on is ill devised. Tonally it abysmal
to the ear. I learned from a friend who is doing another dated 1931 that
this vintage has all 9 transition notes in bichords. He & I have yet to
hear it as it's not done.
  I'm considering either switching to 9 bichords with the old bridge but
the string lengths seem dreadfully short. Does any one have the string
tension logged for this model. My guess is it would be instructive. 
  The other option is to do away with most of it and use the small piece
that juts out toward the spine.
  Any body out there played with this model?
  My 1950s AA has one long bridge with 5 bichords. It could have used 6
as note27 is wiry sounding. Kind of honky& low tensionish. I'll know
more when I run the scale.
 It's obviously a design that has been transitional.
   Any thoughts, Ideas?
   Dale 
 
Erwins Pianos Restorations 
4721 Parker Rd.
Modesto, Ca 95357
209-577-8397
Rebuilt Steinway , Mason &Hamlin Sales
www.Erwinspiano.com

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