Denis Wick 4.5 vs Denis Wick 4B
the Denis Wick 4.5 features a deeper cup, the Denis Wick 4.5 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 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
Cup Diameter
Both mouthpieces have virtually identical cup diameters at 16.50 mm / 0.6496 in.
Cup Depth
The Denis Wick 4.5 has a very deep cup while the Denis Wick 4B has a medium cup. Deeper cups favor a darker, richer sound; shallower cups provide more brightness and easier upper register.
Throat Diameter
The Denis Wick 4.5 has a wider throat (4.45 mm / 0.1752 in vs 4.27 mm / 0.1681 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.