4 Piece Sonic Sitka Vault 5536 4 piece vault It's subtle on some

It's subtle on some

and also in how we mill the wood for this guitar top set

stiffness and Q (damping)

Big leaf maple only grows in the Pacific Northwest

4 Piece Sonic Sitka Vault 5536 4 piece vault It's subtle on somePRT 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