YAMAHA-Mouthpiece Bass Trombone 60B

YAMAHA-Mouthpiece Bass Trombone 60B, rim inner diameter Ø 27.83, cup volume & shape: semi-shallow, rim contour: standard, throat: 6.92mm, backbore: semi-broad, a German-style combination of fairly thick rim with relatively shallow cup, excellent flexibility, easy playability and clear tone in the middle and low registers. 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.