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Old 03-21-2019, 07:20 AM
charles Tauber charles Tauber is offline
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Join Date: Feb 2011
Posts: 8,376

We could easily build a very rigid box that would withstand centuries of string pull. The problem is that it wouldn’t sound like much, since we’ve prevented it from moving (I.e vibrating). The issue isn’t one of how to build a strong enough body, the issue is how to do that while still allowing it to vibrate well.

Restricting motion of the bridge plate/bridge/top while still allowing it to vibrate well is what luthiers have been trying to do for a long time. The traditional X brace is one approach. Gibson’s double X was another. Lattice bracing another. Ladder bracing, tail pieces another. More recently carbon fiber rods from waist to neck block, reinforcement from end block to heel block, double sides, heavy interior “piano-like frame”, carbon fiber laminate braces... there’s the Bridge Doctor ...
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