YAMAHA-Mouthpiece Trumpet 11B4, rim inner diameter Ø 15.90, cup volume & shape: semi-shallow, rim contour: semi-flat, throat: 3.65mm, backbore: semi-narrow, a somewhat shallow cup and medium rim for extra endurance, brilliant tone, suitable for D, Eb, and piccolo trumpets. 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.
