Conn Imp. Precision 1 vs Conn Precision 1
Both mouthpieces share similar core dimensions — the differences are in the details.
The width of the rim surface that contacts the lips. Wider rims improve endurance; narrower rims improve flexibility.
Mouthpiece A
Conn Imp. Precision 1
• Tuba
OrchestralRim width—
Best suited for
BBb bass / sousaphone orchestral
Exceptionally full deep rich tone
vs
Mouthpiece B
Conn Precision 1
• Tuba
OrchestralRim width—
Best suited for
BBb bass; orchestral
Exceptionally full deep rich tone
Which is better?
Both mouthpieces are categorized as "Orchestral" — the physical dimensions above will determine which suits your embouchure and playing style better.