Hi, Is anyone doing the thing similar to (diaphragmatic) or the Gerts type soundboards where the middle is thicker than the perimeter? If that is so , does that make crowning them im-material? Jim James Grebe Piano-Forte Tuning & Repair Creator of Handsome Hardwood Caster Cups, piano benches, writing instruments (314) 608-4137 WWW.JamesGrebe.com 1526 Raspberry Lane Arnold, MO 63010 BECOME WHAT YOU BELIEVE! pianoman@accessus.net
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