Denis Wick 3 vs Denis Wick RW4
The Denis Wick 3 has a wider cup diameter.
Mouthpiece A
Denis Wick 3
• Cornet
Cup diameter16.75 mm / 0.6594 in
Cup depthVery deep
Rim width5.05 mm / 0.1988 in
Throat diameter4.57 mm / 0.1799 in
Backboreopen
Finish—
Material—
Best suited for
High-volume projection — open throat for power
vs
Mouthpiece B
Denis Wick RW4
• Cornet
Cup diameter16.50 mm / 0.6496 in
Cup depthVery deep
Rim width5.27 mm / 0.2075 in
Throat diameter4.58 mm / 0.1803 in
Backboreopen
Finish—
Material—
Best suited for
High-volume projection — open throat for power
Cup Diameter
The Denis Wick 3 has a cup diameter of 16.75 mm / 0.6594 in compared to 16.50 mm / 0.6496 in on the Denis Wick RW4 — a difference of 0.25 mm / 0.0098 in. A wider cup generally produces a fuller, darker tone but requires more air support.
Cup Depth
Both mouthpieces share a very deep cup depth, so the sound character from depth alone will be very similar.
Throat Diameter
Throat diameters are essentially identical at 4.57 mm / 0.1799 in, so resistance feel will be comparable.
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.