Bruno Tilz 231-C 4 vs Conn Imp. Precision 4
Both mouthpieces share similar core dimensions — the differences are in the details.
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 4
• Tuba
GeneralMaterialSilver-plated brass
Best suited for
Small Eb bass
Full rich tone
Material
The Bruno Tilz 231-C 4 is described as unspecified, and the Conn Imp. Precision 4 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 4 targets general use. Your best choice depends on your musical context.