YAMAHA-Mouthpiece Trombone 51C4, small shank

YAMAHA-Mouthpiece Trombone 51C4, small shank, rim inner diameter Ø 25.23, cup volume & shape: standard, rim contour: standard, throat: 6.92mm, backbore: semi-broad, shallower cup than the 51, plenty of volume and power, solid tone throughout the instrument's range, ideal for symphony orchestra playing. 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.