Mouthpiece Comparison: Yamaha Tuba

Standard Series
Yamaha
Model No.
Approximate
Size Equivalent
64 Bach 25, smaller rim diameter
65 Bach 25
66B Schilke Helleberg, shallower cup
66 Schilke Helleberg
66D4 Bach 24AW
67B4 Miraphone C3, shallower cup (For F tuba)
67 Bach 22
67C4 Miraphone C3
68B Schilke 69C4

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