YAMAHA-Mouthpiece Bass Trombone 60

YAMAHA-Mouthpiece Bass Trombone 60, rim inner diameter Ø 28.25, cup volume & shape: standard, rim contour: standard, throat: 8.10mm, backbore: broad, very deep cup with a large throat and backbore, powerful, deep, low tone, for advanced players. Produced using the most advanced computer design and manufacturing technology, our Standard Series mouthpieces feature unmatched precision, smooth attack, secure control, and easy playability. They have the ideal weight for all-around usage and are available in over 100 configurations.