YAMAHA-Mouthpiece Tuba 67B4

YAMAHA-Mouthpiece Tuba 67B4, rim inner diameter Ø 32.06, cup volume & shape: semi-shallow, rim contour: semi-flat, throat: 7.02mm, backbore: standard, large inner rim diameter with a shallow cup, easy playability with a bright tone, particularly easy high notes and clear lows, perfect for F instruments. 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.