Disklavier

What you are noticing are called compression ridges.
Because the planks that make up the soundboard of the
piano are glued in on all sides, when they encounter
humidity and swell slightly, there is no where to go
and you see these compression ridges.  Eventually they
dry out and go away.  However, if the humidity was
severe enough, those ridges can turn into cracks.  It
is not the end of the world if your soundboard cracks,
but I personally believe there is an eventual loss of
tone.  Yamaha does put a 10 year warranty on their
pianos.

If you think the compression is severe, wait for
another piano.

Carol Beigel

----- Original Message -----
From: "manhattanboy100" <manhattanboy100@...>
To: <disklavier@yahoogroups.com>
Sent: Tuesday, May 09, 2006 2:08 AM
Subject: [disklavier] Help! Serious Concern re Possible
Defect in Yamaha Grands


> Hi, I am about to purchase a brand new Yamaha C2 with
the disklavier
> feature. The piano arrived at the dealer and it is
now set up in the
> showroom (for tuning etc). When I examined the piano
closely I noticed
> that the light colored horizontal wood panelling
below the strings is
> not perfectly flat and smooth to the touch, but the
wood strips have
> raised ridges between them, almost like the "cupping"
that occurs when
> hardwood floor strips become damaged from water.  Its
as though the
> strips are too compressed against one another
resulting in raised
> edges.  Other pianos (both Yamaha and other brands)
that I looked at in
> the showroom did not have this problem.  The boards
are flat and
> smooth.  The salesperson could not explain but agreed
to look into it.
> Has anyone encountered this? Is this a defect in the
piano? Could this
> be a moisture or humidity problem? Should I be
concerned? Thanks!!
>
>
>
>
>
>
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