YAMAHA-Mouthpiece French Horn 29D4

YAMAHA-Mouthpiece French Horn 29D4, rim inner diameter Ø 16.88, cup volume & shape: semi-deep (double-Cup), rim contour: semi-flat, throat: 4.50mm, backbore: semi-narrow, double-cup combining medium and extra-deep -V- cups, fairly small inner diameter, but with a large throat for 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.