Bruno Tilz 231-C 4 vs Conn Imp. Precision 2
the Conn Imp. Precision 2 features a deeper cup.
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
Conn Imp. Precision 2
• Tuba
GeneralBackbore—
Best suited for
BBb bass / sousaphone general
Full rich tone in all registers
Which is better?
The Bruno Tilz 231-C 4 is designed for catalog playing, while the Conn Imp. Precision 2 targets general use. Your best choice depends on your musical context.