Denis Wick 4 vs Denis Wick 6N
The Denis Wick 4 has a wider cup diameter, the Denis Wick 4 features a deeper cup, the Denis Wick 4 has a larger throat opening.
Cup Diameter
The Denis Wick 4 has a cup diameter of 18.00 mm / 0.7087 in compared to 17.25 mm / 0.6791 in on the Denis Wick 6N — a difference of 0.75 mm / 0.0295 in. A wider cup generally produces a fuller, darker tone but requires more air support.
Cup Depth
The Denis Wick 4 has a very deep cup while the Denis Wick 6N 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 has a wider throat (4.70 mm / 0.1850 in vs 4.50 mm / 0.1772 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.