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every time
The mandolin is a smaller instrument
Sonic grading is fundamentally different from traditional grading because the process relies on data and mathematical models to classify each board
Stiffness within 10% of the mean
Lutz Spruce - Sonically Graded Size:Classic every timeSonic grading is fundamentally different from traditional grading because the process relies on data and mathematical models to classify each board, this helps us to be much more accurate than what eyes only grading can do. By evaluating density, stiffness, Q (damping) and several other factors, the boards are classified into various groupings. Every sonically graded board is required to meet the following specifications: Density in the range of 350
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