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Sonic grading is fundamentally different from traditional grading because the process relies on data and mathematical models to classify each board
Sonically graded boards in the Pacific Rim Tonewoods Vault are required to meet the following specifications: Density in the range of 350 - 500 kg/m3 Stiffness within 10% of mean and above Q (damping) >= 150Of the wood that makes it to testing (about 50% of total production)
Samples sprayed with isopropyl alcohol during photography to better represent the finished guitar look
minimal color bands and light compression rings
Figured Walnut Back & Side 1 Soundboards Sonic grading is fundamentally different
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