Bach 18 vs Conn Imp. Precision 1
the Conn Imp. Precision 1 features a deeper cup.
Surface plating or treatment (e.g. silver plate, gold trim). Affects feel, durability, and appearance.
Mouthpiece A
Bach 18
• Tuba
Finish—
Best suited for
High-volume projection — open throat for power
vs
Mouthpiece B
Conn Imp. Precision 1
• Tuba
OrchestralFinish—
Best suited for
BBb bass / sousaphone orchestral
Exceptionally full deep rich tone
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.