Bruno Tilz 310-M 28 vs Marcinkiewicz CH W1
The Marcinkiewicz CH W1 has a wider cup diameter, the Bruno Tilz 310-M 28 features a deeper cup, the Bruno Tilz 310-M 28 has a larger throat opening.
The narrowest point at the bottom of the cup. Affects resistance, volume, and tone color.
Mouthpiece A
Bruno Tilz 310-M 28
• Tuba
CatalogThroat diameter8.30 mm / 0.3268 in
Best suited for
Orchestral playing — large cup for full, dark tone
High-volume projection — open throat for power
vs
Mouthpiece B
Marcinkiewicz CH W1
• Tuba
Throat diameter7.67 mm / 0.3020 in
Best suited for
High-volume projection — open throat for power
Throat Diameter
The Bruno Tilz 310-M 28 has a wider throat (8.30 mm / 0.3268 in vs 7.67 mm / 0.3020 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.