I'm flattered that you agree with me, but I don't think I said "the wedges or springs do not add to sustain or volume." Terry Farrell On Oct 19, 2010, at 6:30 PM, Roger Gable wrote: > Et at, > I agree with Terry, the wedges or springs do not add to sustain or > volume. While studying electrical engineering it was noted that > restricting the movement of a magnetically activated diaphragm would > reduce the volume and reduce the frequency spectrum -- especially > the low end. I believe this applies here as well. It is important > that the soundboard have the ability to "store" the energy between > cycles. The wedges and springs "short circuit" this ability. > Roger Gable -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://ptg.org/pipermail/pianotech.php/attachments/20101019/5864ab0a/attachment.htm>
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