This is a multi-part message in MIME format. ---------------------- multipart/alternative attachment It would seem to be mechanical in that it is not patterned around the = harmonics of B5. I would think that the board has lost it's crown or the = lack of strong downbearing in that section is allowing the bridge to = move freely. Are the bridge screws tight? If you push down on the board in that area, what is the resistance? You = could guess at the stiffness/impedance. Another shot in the dark would be to try mass loading! to change the = impedance. Where's Ron's famous 50 gram pre-drilled weight that he = carried with him.=20 Under the weather I guess. Keith Roberts ---------------------- multipart/alternative attachment An HTML attachment was scrubbed... URL: https://www.moypiano.com/ptg/pianotech.php/attachments/63/14/e1/76/attachment.htm ---------------------- multipart/alternative attachment--
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