Bruno Tilz 309-D 3 vs Denis Wick 2SL
the Denis Wick 2SL has a larger throat opening.
Mouthpiece A
Bruno Tilz 309-D 3
• Tuba
CatalogCup diameter32.00 mm / 1.2598 in
Cup depthShallow
Rim width—
Throat diameter6.80 mm / 0.2677 in
Backbore—
Finish—
Material—
Best suited for
High-volume projection — open throat for power
vs
Mouthpiece B
Denis Wick 2SL
• Tuba
Cup diameter32.00 mm / 1.2598 in
Cup depthShallow
Rim width7.73 mm / 0.3043 in
Throat diameter8.45 mm / 0.3327 in
Backboreopen
Finish—
Material—
Best suited for
High-volume projection — open throat for power
Cup Diameter
Both mouthpieces have virtually identical cup diameters at 32.00 mm / 1.2598 in.
Cup Depth
Both mouthpieces share a shallow cup depth, so the sound character from depth alone will be very similar.
Throat Diameter
The Denis Wick 2SL has a wider throat (8.45 mm / 0.3327 in vs 6.80 mm / 0.2677 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.