Denis Wick 3C vs Denis Wick MM4C
The Denis Wick 3C has a wider cup diameter, the Denis Wick MM4C features a deeper cup, the Denis Wick 3C has a larger throat opening.
Cup Diameter
The Denis Wick 3C has a cup diameter of 16.75 mm / 0.6594 in compared to 16.50 mm / 0.6496 in on the Denis Wick MM4C — 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
The Denis Wick MM4C has a medium cup while the Denis Wick 3C has a shallow cup. Deeper cups favor a darker, richer sound; shallower cups provide more brightness and easier upper register.
Throat Diameter
The Denis Wick 3C has a wider throat (3.74 mm / 0.1472 in vs 3.70 mm / 0.1457 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.