Denis Wick 2SL vs Yamaha BB-67
The Denis Wick 2SL has a wider cup diameter, the Yamaha BB-67 features a deeper cup, the Denis Wick 2SL has a larger throat opening.
The internal diameter of the cup, measured at the widest point inside the rim.
Mouthpiece A
Denis Wick 2SL
• Tuba
Cup diameter32.00 mm / 1.2598 in
Best suited for
High-volume projection — open throat for power
vs
Mouthpiece B
Yamaha BB-67
• Tuba
Cup diameter31.93 mm / 1.2571 in
Best suited for
High-volume projection — open throat for power
Cup Diameter
The Denis Wick 2SL has a cup diameter of 32.00 mm / 1.2598 in compared to 31.93 mm / 1.2571 in on the Yamaha BB-67 — a difference of 0.07 mm / 0.0028 in. A wider cup generally produces a fuller, darker tone but requires more air support.
Which is better?
Neither mouthpiece clearly dominates the other — the right choice depends on your embouchure, playing style, and the sound you're after. Try both if possible.