YAMAHA Mouthpiece for Trombone Standard Series Small Shank SL-51C4S (Yamaha SL51C4S)

High-precision mouthpiece made with the latest computer-controlled processing machines. Smooth attack, easy control. SL51C4S: Has a slightly shallower cup than the 51, allowing for loud and powerful performances. Suitable for symphony orchestra players, with rich sound in all registers. 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. SL51C4S: Has a slightly shallower cup than the 51, allowing for loud and powerful performances. Suitable for symphony orchestra players, with rich sound in all registers. Rim inner diameter (mm): 25.25 Throat diameter (mm): 6.62