Yamaha EP51DL Euphonium Mouthpiece

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. Theres a Yamaha mouthpiece to suit every player. 

Rim Inner Diameter: 25.24mm , Throat: 7.11mm
Characteristics: An even deeper cup than the 51 for a heavy, rich tone. Specifically for euphonium. Ideal for advanced players who prefer a dark sound.