YAMAHA-Mouthpiece Tuba Signature GP -Roger Bobo- Solo

YAMAHA-Mouthpiece Tuba Signature GP -Roger Bobo- Solo, rim inner diameter: 32.20mm, rim contour: semi-flat, rim thickness: standard, cup depth: semi-shallow, throat: 7.50mm, backbore: standard, the Solo mouthpiece features a clear focused tone that sings and projects, and is especially suitable for solo performances and for use with F and Eb tubas. GP Series has been created especially for professionals who require superior quality from their mouthpiece. The GP Series features an innovative shape and extra-heavy gold-plate finish for players who prefer a focused, concentrated tonal core.