Denis Wick 2.5CC vs Kelly X-SMALL
The Denis Wick 2.5CC has a wider cup diameter, the Denis Wick 2.5CC features a deeper cup.
The width of the rim surface that contacts the lips. Wider rims improve endurance; narrower rims improve flexibility.
Mouthpiece A
Denis Wick 2.5CC
• Tuba
Rim width7.20 mm / 0.2835 in
Best suited for
Orchestral playing — large cup for full, dark tone
High-volume projection — open throat for power
vs
Mouthpiece B
Kelly X-SMALL
• Tuba
StudentRim width—
Best suited for
Student / Eb tuba / euphonium doubler
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.