Conn Precision 5 vs Denis Wick 4B
the Denis Wick 4B features a deeper cup.
The internal diameter of the cup, measured at the widest point inside the rim.
Mouthpiece A
Conn Precision 5
• Cornet
LeadCup diameter—
Best suited for
Dance band / lead; standard on Conn 6B Victor trumpet
Bright tone; excellent in high register
vs
Mouthpiece B
Denis Wick 4B
• Cornet
Cup diameter16.50 mm / 0.6496 in
Best suited for
All-round versatile — balanced cup for general playing
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.