4 Piece Sonic Sitka Vault 5902 Back and Sides Every sonically graded board is

Every sonically graded board is required to meet the following specifications:

Our sawyers then cut these blocks into  exactingly quartered boards

Ebony (Diospyros crassiflora)

AAAA – our best soundboard visually

reaching a final moisture content of 8

4 Piece Sonic Sitka Vault 5902 Back and Sides Every sonically graded board isPRT 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