---------------------- multipart/alternative attachment Ron Yes, but this too keeps the energy more localized & efficient, if I can say that, because there isn't as much soundboard flopping around in the case creating the dampening resonances. So much disinformation ,so little time. Dale Given the desire to build a rib supported board, the difference between a 1200mm long rib and an 850mm long rib that can support a given load at a given crown height is substantial. ---------------------- multipart/alternative attachment An HTML attachment was scrubbed... URL: https://www.moypiano.com/ptg/pianotech.php/attachments/ae/d0/33/bb/attachment.htm ---------------------- multipart/alternative attachment--
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