P.S. I can envision how, given the right construction, the top edge of the ends of a soundboard panel might tip inward when the top of the crown is pressed upon; but that the entire assembly would pull in at the edges remains too hard or me to fathom. In any event, we discussed this at length several years ago, and I have no taste for repeating that experience, so I humbly request that you please provide a video of this phenomenon, if you wish to prove your point. Thumpe -------------- next part -------------- An HTML attachment was scrubbed... URL: <https://www.moypiano.com/ptg/pianotech.php/attachments/20120524/03f31ed0/attachment-0001.htm>
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