Sonic Sitka Vault 1871 Arch Top Sonically graded boards in the

Sonically graded boards in the Pacific Rim Tonewoods Vault are required to meet the following specifications:    Density in the range of 350 - 500 kg/m3    Stiffness within 10% of mean and above    Q (damping) >= 150Of the wood that makes it to testing (about 50% of total production)

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

and is very desirable to luthiers who want the sonic quality of spruce

Sonic grading is fundamentally different from traditional grading because the process relies on data and mathematical models to classify each board

Sonic Sitka Vault 1871 Arch Top Sonically graded boards in theAll sonically graded tonewood offered in the Pacific Rim Tonewoods Vault includes the material properties for that specific set. Density, Q, and Stiffness are all provided, allowing you to choose the piece that exactly fits your needs. In addition to the data provided, High Q (Q >= 160) and High Stiffness boards are exclusively available in the Vault. Sonic grading is fundamentally different from traditional grading because the process relies on data