[pianotech] Reversing Crown

Ed Foote a440a at aol.com
Thu Dec 24 04:03:33 MST 2009


 


 He had a NEW grand piano with positive crown.  The strings were removed and it still had positive crown.  The soundboard was remove, and it had negative crown!  What do you make of this? 
 

 Why was he removing the soundboard from a new grand piano?

 

Ed Foote RPT
http://www.uk-piano.org/edfoote/index.html
 

 
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