Buzz bonanza

[David Renaud]

 I recall a New Kawai with buzz that stumped me.

 Under the keybed, and supporting the lyre was
plenty of metal plate. 

   I hypothesis they are using less wood in the keybed
 and are using metal plate to keep things nice and
ridged. I have seen more then one piano from other 
manufacturers (china) with flexible keybeds, due to an
acute lack of hardwood and mass, and no plates
resulting in a spring for a keybed.

    Not being accustomed to looking for metal plate
and bolts under the keybed, this buzz escaped me 
until I squandered more then enough time to 
inspire intense scratching of the frontal lobes. The
buzz is transmitted through the piano and really did
sound like it was coming from somewhere else. In the
end it was this metal plate reinforcement.

                              Cheers
                              Dave Renaud




 

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