4 Piece Sonic Sitka Vault 6065 Back and Sides Koa grading structure:AAAA – highest

Koa grading structure:AAAA – highest quality

000 year-old redwood tree that was salvaged from a creek as part of a salmon restoration project in Northern California

PRT is proud to bring a 4 piece top to market

to a final moisture content of 8

4 Piece Sonic Sitka Vault 6065 Back and Sides Koa grading structure:AAAA – highestPRT 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