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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
rejecting any extremes
Spruce is preferred by luthiers for the soundboard on archtops
In addition to the data provided
representing less of any tree's life (say 60 years
4 Piece Sonic Sitka Vault 6089 4 piece vault Sonic grading is fundamentally differentPRT is proud to bring a 4 piece top to market. These tops allow us to make soundboards from smaller diameter logs and to utilize each log more completely. Four piece tops are cut from a smaller section of a tree, representing less of any tree's life (say 60 years, instead of 120), and are therefore more consistent in all of their physical properties. Density, Q, and Stiffness are all provided, allowing you to choose the piece that exactly fits your
US$ 87.04
US$ 120.00
US$ 47.49
