Bruno Tilz 310-M 21 vs Denis Wick 3L
The Bruno Tilz 310-M 21 has a wider cup diameter, the Denis Wick 3L features a deeper cup, the Denis Wick 3L has a larger throat opening.
The internal diameter of the cup, measured at the widest point inside the rim.
Mouthpiece A
Bruno Tilz 310-M 21
• Tuba
CatalogCup diameter33.00 mm / 1.2992 in
Best suited for
High-volume projection — open throat for power
vs
Mouthpiece B
Denis Wick 3L
• Tuba
Cup diameter31.25 mm / 1.2303 in
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 21 has a cup diameter of 33.00 mm / 1.2992 in compared to 31.25 mm / 1.2303 in on the Denis Wick 3L — a difference of 1.75 mm / 0.0689 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.