Denis Wick 4.5 vs Denis Wick RW4
the Denis Wick RW4 has a larger throat opening.
The internal diameter of the cup, measured at the widest point inside the rim.
Mouthpiece A
Denis Wick 4.5
• Cornet
Cup diameter16.50 mm / 0.6496 in
Best suited for
High-volume projection — open throat for power
vs
Mouthpiece B
Denis Wick RW4
• Cornet
Cup diameter16.50 mm / 0.6496 in
Best suited for
High-volume projection — open throat for power
Cup Diameter
Both mouthpieces have virtually identical cup diameters at 16.50 mm / 0.6496 in.
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.