Conn Imp. Precision 1 vs Marcinkiewicz CH W1
the Conn Imp. Precision 1 features a deeper cup.
The internal diameter of the cup, measured at the widest point inside the rim.
Mouthpiece A
Conn Imp. Precision 1
• Tuba
OrchestralCup diameter—
Best suited for
BBb bass / sousaphone orchestral
Exceptionally full deep rich tone
vs
Mouthpiece B
Marcinkiewicz CH W1
• Tuba
Cup diameter33.66 mm / 1.3252 in
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.