Conn Precision 1 vs Denis Wick 5AL
the Conn Precision 1 features a deeper cup.
The width of the rim surface that contacts the lips. Wider rims improve endurance; narrower rims improve flexibility.
Mouthpiece A
Conn Precision 1
• Trombone
OrchestralRim width—
Best suited for
Large bore trombones; symphony work
Good clear tone; large bore symphonic
vs
Mouthpiece B
Denis Wick 5AL
• Trombone
Rim width6.64 mm / 0.2614 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.