Bruno Tilz 231-C 4 vs Yamaha BB-64
The Bruno Tilz 231-C 4 has a wider cup diameter, the Bruno Tilz 231-C 4 features a deeper cup, the Yamaha BB-64 has a larger throat opening.
The taper behind the throat leading to the shank. Affects projection and tone character.
Mouthpiece A
Bruno Tilz 231-C 4
• Tuba
CatalogBackbore—
Best suited for
Orchestral playing — large cup for full, dark tone
High-volume projection — open throat for power
vs
Mouthpiece B
Yamaha BB-64
• Tuba
BackboreStandard
Best suited for
High-volume projection — open throat for power
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.