Mysterious unsolvable Yamaha double-striking uprights

[Cy Shuster]

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MessageI had the problem on my 1982 U1, especially on sharps played =
close to the fallboard.  I've been told it's typical with Yamahas, =
although I haven't had your experience with recent new Yamahas I've =
tuned (mostly M500's).

--Cy Shuster--
Bluefield, WV
  ----- Original Message -----=20
  From: Geoff Sykes=20
  To: 'Pianotech'=20
  Sent: Tuesday, July 12, 2005 6:17 PM
  Subject: RE: Mysterious unsolvable Yamaha double-striking uprights


  I'm surprised that Donald Dusenbury is the only person on this list, =
aside from myself, that has actually experienced this problem. And =
seeing as I have five or six of them all in the same store leads me to =
believe that this may not be that uncommon.=20

  That said...

  Wow! From adjusting for the environment to simple fix to manufacturing =
quality control, a lot of great ideas and suggestions. All of which I =
can see as potential culprits. The thought of actually contacting Yamaha =
about this never actually occurred to me, so I will do that as well. =
First, I'm going to print out all of these responses so I can reference =
them.=20

  Thanks to all for the support. I will report back when I have results.

  -- Geoff
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