YAMAHA-Mouthpiece Euphonium 51D, large shank

YAMAHA-Mouthpiece Euphonium 51D, large shank, rim inner diameter Ø 25.24, cup volume & shape: semi-deep, rim contour: standard, throat: 7.11mm, backbore: standard, an even deeper cup than the 51 for a heavy, rich tone, specifically for euphonium, ideal for advanced players who prefer a dark sound. 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.