[pianotech] Grey market pianos, seasoned pianos, etc.

tnrwim at aol.com tnrwim at aol.com
Thu Apr 1 12:18:58 MDT 2010




Because the soundboard is restricted within the walls of the piano's case or rim, any taking on of moisture or expansion after installation will increase the curvature of the board, as the board has noplace else to go."


Wow. I'm not sure I'd put much faith in anything this guy has to say.

Actually, Terry, this is exactly what happens. That is why tuning go up in the moist summer months, and go south in the dry winter months. That's the way I explain it on my website. 

As far as the comment on the laminated soundboards, he's right about a lot of the pianos made today. Maybe not all the Yammy's, but a lot of the cheaper ones are laminated. 


Wim


-----Original Message-----
From: Terry Farrell <mfarrel2 at tampabay.rr.com>
To: pianotech at ptg.org
Sent: Thu, Apr 1, 2010 1:34 am
Subject: Re: [pianotech] Grey market pianos, seasoned pianos, etc.


"Hence, most manufacturers today tend to "overdry" or "overshrink" the board slightly, before installation, in order that the board will swell up again after installation, and hopefully maintain that curvature for a reasonable length of time (many years). Because the soundboard is restricted within the walls of the piano's case or rim, any taking on of moisture or expansion after installation will increase the curvature of the board, as the board has noplace else to go."


Wow. I'm not sure I'd put much faith in anything this guy has to say.


"In addition, much of the wood in a piano is laminated, so that layers of wood overlaid over others help restrict or restrain each other from much dimensional change in the areas that matter. Even a piano's soundboard and pinblock are laminated." 


Scratch that. I wouldn't put any faith in anything this guy has to say......


Whereas, IMHO, gray market Yamahas do  just fine in Florida, this guy is biased because he is pushing grey market Yamahas - and doesn't seem to know diddley about piano construction.


Terry Farrell








On Mar 31, 2010, at 8:51 AM, Renee Ingeberg wrote:


After seeing some discussion regarding this subject I send this helpful info to the list.

http://www.pianofinders.com/techtalk/seasoning.htm

Renee



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