Slightly smaller than standard.
- Medium cup
TB-L back bore
25mm inner rim diameter
Best Brass TB-L-7C Groove Series Large Shank Trombone Mouthpiece
The Best Brass TB-L-7C is 1 size smaller than the standard model TB-L-6C. If TB-L-6C is too large, this model is an excellent choice. This is also a fine choice for euphonium, and is excellent in all registers.
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