YAMAHA-Mouthpiece French Horn 30C4

YAMAHA-Mouthpiece French Horn 30C4, rim inner diameter Ø 17.28, cup volume & shape: standard (U-Cup), rim contour: semi-flat, throat: 3.98mm, backbore: standard, medium inner rim diameter and -U- cup for fast response, standard type with ideal resistance and powerful, rich tone. 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.