willie's Custom Brass Willie's Tuba Mouthpiece MK Series MK-F II (SP)

The cup is hollowed out larger than the inner diameter of the rim, providing both a rich sound and quick response. The narrow throat is optimized for F tubes, but can also be used for less powerful C and B♭ tubes. Supervisor: Masashi Kina (part-time lecturer at Senzoku Gakuen College of Music) Rim diameter 32.07 (mm) Throat diameter 8.14 (mm)