YAMAHA SL-51S Mouthpiece, TromboneEuphonium Compatible, Standard Series, Small Shank (Yamaha SL51S)

High-precision mouthpiece manufactured using computer-controlled machining. Smooth attack and ease of control. SL-51S: Darker tone due to a slightly larger rim diameter and a sufficiently sized cup. A representative euphonium model with a mellow tone. Rim diameter (mm): 25.23 Throat diameter (mm): 6.92