YAMAHA-Mouthpiece Trombone 51B, small shank

YAMAHA-Mouthpiece Trombone 51B, small shank, rim inner diameter Ø 25.23, cup volume & shape: semi-shallow, rim contour: standard, throat: 6.92mm, backbore: semi-broad, the 51 rim with a relatively shallow cup, powerful sound, popular with ensemble and orchestra euphonium 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.