Conn Imp. Precision 6 vs Conn Precision 6
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 6
• Cornet
LeadRim width—
Best suited for
Professional players
Professional lead; small throat; narrow rim
vs
Mouthpiece B
Conn Precision 6
• Cornet
LeadRim width—
Best suited for
Professional lead players
Recommended for professionals; small throat
Which is better?
Both mouthpieces are categorized as "Lead" — the physical dimensions above will determine which suits your embouchure and playing style better.