Del, A manufacturer's rep once told us the plate stress coupler (a bolt in this case) served to enhance the tone by transferring vibrations from plate to belly rail. Any truth to that? Bob Maret, RPT Piano Technician ************************************** See what's new at http://www.aol.com -------------- next part -------------- An HTML attachment was scrubbed... URL: https://www.moypiano.com/ptg/pianotech.php/attachments/20071013/d9910373/attachment.html
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