[pianotech] Yamaha Uprights

Dale Erwin erwinspiano at aol.com
Sun Dec 2 19:26:54 MST 2012


Understood.


Dale Erwin R.P.T.


 



I don't doubt it for a minute, but the fact remains that in my 
experience, I've never HAD to reduce damper spring strength to get 
around double striking hammers, which is what I'm addressing.
Ron N

 
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