Can anyone speak to the history, philosophy, current practice and general effect in different parts of the piano of thinning soundboards around the edges also known as diaphragmizing? David Love www.davidlovepianos.com -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://ptg.org/pipermail/pianotech_ptg.org/attachments/20090122/8fb62606/attachment.html>
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