Bach 30E vs Denis Wick 2.5CC
The Denis Wick 2.5CC has a wider cup diameter, the Denis Wick 2.5CC features a deeper cup, the Denis Wick 2.5CC has a larger throat opening.
The internal diameter of the cup, measured at the widest point inside the rim.
Mouthpiece A
Bach 30E
• Tuba
Cup diameter30.00 mm / 1.1811 in
Best suited for
High-volume projection — open throat for power
vs
Mouthpiece B
Denis Wick 2.5CC
• Tuba
Cup diameter32.00 mm / 1.2598 in
Best suited for
Orchestral playing — large cup for full, dark tone
High-volume projection — open throat for power
Cup Diameter
The Denis Wick 2.5CC has a cup diameter of 32.00 mm / 1.2598 in compared to 30.00 mm / 1.1811 in on the Bach 30E — a difference of 2.00 mm / 0.0787 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.