Denis Wick 4 vs Denis Wick 4.5
The Denis Wick 4.5 has a wider cup diameter, the Denis Wick 4 has a larger throat opening.
The internal diameter of the cup, measured at the widest point inside the rim.
Mouthpiece A
Denis Wick 4
• Cornet
Cup diameter16.40 mm / 0.6457 in
Best suited for
High-volume projection — open throat for power
vs
Mouthpiece B
Denis Wick 4.5
• Cornet
Cup diameter16.50 mm / 0.6496 in
Best suited for
High-volume projection — open throat for power
Cup Diameter
The Denis Wick 4.5 has a cup diameter of 16.50 mm / 0.6496 in compared to 16.40 mm / 0.6457 in on the Denis Wick 4 — a difference of 0.10 mm / 0.0039 in. A wider cup generally produces a fuller, darker tone but requires more air support.
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.