Bruno Tilz 310-M 42 vs Denis Wick 2.5CC
The Bruno Tilz 310-M 42 has a wider cup diameter, the Bruno Tilz 310-M 42 has a larger throat opening.
Mouthpiece A
Bruno Tilz 310-M 42
• Tuba
CatalogCup diameter33.00 mm / 1.2992 in
Cup depth
Rim width—
Throat diameter8.90 mm / 0.3504 in
Backbore—
Finish—
Material—
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
Cup depthDeep
Rim width7.20 mm / 0.2835 in
Throat diameter8.60 mm / 0.3386 in
BackboreV-type
Finish—
Material—
Best suited for
Orchestral playing — large cup for full, dark tone
High-volume projection — open throat for power
Cup Diameter
The Bruno Tilz 310-M 42 has a cup diameter of 33.00 mm / 1.2992 in compared to 32.00 mm / 1.2598 in on the Denis Wick 2.5CC — a difference of 1.00 mm / 0.0394 in. A wider cup generally produces a fuller, darker tone but requires more air support.
Throat Diameter
The Bruno Tilz 310-M 42 has a wider throat (8.90 mm / 0.3504 in vs 8.60 mm / 0.3386 in). A wider throat allows more air through, increasing volume and projection but reducing resistance.
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.