Yamaha Trombone Mouthpiece SL-45AS

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.There’s a Yamaha mouthpiece to suit every player.\n\nSpecification: Rim Inner Diameter (mm) : 24.26 Throat (mm): 5.85 Characteristics: Small inner rim diameter with an extremely shallow cup for brilliant tone. Easy high notes. Ideal for bass trumpet.