Denis Wick 4.5 vs Denis Wick RW4
the Denis Wick RW4 has a larger throat opening.
Mouthpiece A
Denis Wick 4.5
• Cornet
Cup diameter16.50 mm / 0.6496 in
Cup depthVery deep
Rim width5.17 mm / 0.2035 in
Throat diameter4.45 mm / 0.1752 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
Both mouthpieces have virtually identical cup diameters at 16.50 mm / 0.6496 in.
Cup Depth
Both mouthpieces share a very deep cup depth, so the sound character from depth alone will be very similar.
Throat Diameter
The Denis Wick RW4 has a wider throat (4.58 mm / 0.1803 in vs 4.45 mm / 0.1752 in). A wider throat allows more air through, increasing volume and projection but reducing resistance.
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.