YAMAHA Mouthpiece for Trombone Standard Series Large Shank SL-51L (Yamaha SL51L)

High-precision mouthpiece made with the latest computer-controlled processing machines. Smooth attack, easy control. SL-51L: Dark tone due to slightly larger rim inner diameter and cup with sufficient capacity. A typical model of euphonium, with a thick backbore. Rim inner diameter (mm): 25.23 Throat diameter (mm): 6.92 High-precision mouthpiece made with the latest computer-controlled processing machines. Smooth attack, easy control. We have a diverse lineup that caters to each individual's style. SL-51L: Dark tone due to slightly larger rim inner diameter and cup with sufficient capacity. A typical model of euphonium, with a thick backbore. Rim inner diameter (mm): 25.23 Throat diameter (mm): 6.92