Curry 6 J vs Denis Wick 4F
The Curry 6 J has a wider cup diameter, the Denis Wick 4F features a deeper cup, the Denis Wick 4F has a larger throat opening.
Cup Diameter
The Curry 6 J has a cup diameter of 16.71 mm / 0.6580 in compared to 16.50 mm / 0.6496 in on the Denis Wick 4F — a difference of 0.21 mm / 0.0084 in. A wider cup generally produces a fuller, darker tone but requires more air support.
Cup Depth
The Denis Wick 4F has a very deep cup while the Curry 6 J 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 4F has a wider throat (4.58 mm / 0.1803 in vs 3.78 mm / 0.1490 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.