Denis Wick 4B vs Denis Wick RW3B
The Denis Wick RW3B has a wider cup diameter.
Mouthpiece A
Denis Wick 4B
• Cornet
Cup diameter16.50 mm / 0.6496 in
Cup depthMedium
Rim width5.17 mm / 0.2035 in
Throat diameter4.27 mm / 0.1681 in
BackboreV-type
Finish—
Material—
Best suited for
All-round versatile — balanced cup for general playing
High-volume projection — open throat for power
vs
Mouthpiece B
Denis Wick RW3B
• Cornet
Cup diameter16.75 mm / 0.6594 in
Cup depthMedium
Rim width5.05 mm / 0.1988 in
Throat diameter4.27 mm / 0.1681 in
BackboreV-type
Finish—
Material—
Best suited for
High-volume projection — open throat for power
Cup Diameter
The Denis Wick RW3B has a cup diameter of 16.75 mm / 0.6594 in compared to 16.50 mm / 0.6496 in on the Denis Wick 4B — 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 medium cup depth, so the sound character from depth alone will be very similar.
Throat Diameter
Throat diameters are essentially identical at 4.27 mm / 0.1681 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.