Bruno Tilz 231-C 4 vs Conn Imp. Precision 1
the Conn Imp. Precision 1 features a deeper cup.
Base metal or construction (e.g. brass, stainless steel, plastic). Influences weight, response, and tone color.
Mouthpiece A
Bruno Tilz 231-C 4
• Tuba
CatalogMaterial—
Best suited for
Orchestral playing — large cup for full, dark tone
High-volume projection — open throat for power
vs
Mouthpiece B
Conn Imp. Precision 1
• Tuba
OrchestralMaterialSilver-plated brass
Best suited for
BBb bass / sousaphone orchestral
Exceptionally full deep rich tone
Material
The Bruno Tilz 231-C 4 is described as unspecified, and the Conn Imp. Precision 1 as Silver-plated brass. Material affects mass, warmth, and how quickly the piece responds.
Which is better?
The Bruno Tilz 231-C 4 is designed for catalog playing, while the Conn Imp. Precision 1 targets orchestral use. Your best choice depends on your musical context.