YAMAHA-Mouthpiece Trumpet 9C4

YAMAHA-Mouthpiece Trumpet 9C4, rim inner diameter Ø 16.28, cup volume & shape: standard, rim contour: semi-flat, throat: 3.65mm, backbore: semi-narrow, somewhere between the 8C4 and 11C4, affording easy playability over a wide range, well-defined rim bite for easy blowing and extended endurance. 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.