HI Michael My thoughts in general not very well verbalized in my forst post. Harder & denser materials affect impedance ...do they not? SO tight grain anything is going to add mass,affect tone & utilize energy more effeciently. Dale M Spreeman wrote I think you're all right about why the more dense materials were and are used in the high treble. The more dense the material, generally speaking, the faster the high frequencies will travel through it, minimizing energy loss, and, it has greater mass loading. ************************************** See what's free at http://www.aol.com. -------------- next part -------------- An HTML attachment was scrubbed... URL: https://www.moypiano.com/ptg/pianotech.php/attachments/20070606/fbb274bd/attachment.html
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