willie's Custom Brass Willie's Tuba Mouthpiece Walküre KS-B ⅠEuropean shank (SP)

A tuba version of Walküre supervised by Koji Suzuki of the Kyushu Symphony Orchestra. It features an overwhelming sound and a consistent resistance. For BB tubes. You can choose from Regular, American, and European shanks. Supervisor: Koji Suzuki (Kyushu Symphony Orchestra) Rim diameter 33.75 (mm) Throat diameter 8.43 (mm) European shank