[pianotech] Inverted soundboard

Don Hubbs donhubbs at mwt.net
Mon Dec 6 20:02:34 MST 2010


I have a 1990 Baldwin 6000 (52" upright) with an inverted soundboard. The
piano was evidently in a very damp environment at one time, since there were
several loose glue joints, including the bass bridge to apron and some
plywood delaminating in the bottom board . The inversion is severe enough
that the ribs near the center of the board are pushing against a back post.
The tone is even but weak. Is there any way to flip the soundboard back to
its original position without destroying it? Can I just remove some wood
from the back post to give the rib clearance and expect that to enlarge the
tone? Bearing can be adjusted because of the Accu-hitch pins. Thanks for any
suggestions or prior experiences.

 

Don Hubbs

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