Denis Wick 3 vs Marcinkiewicz 5*W (Endorsee)
The Marcinkiewicz 5*W (Endorsee) has a wider cup diameter, the Denis Wick 3 features a deeper cup, the Denis Wick 3 has a larger throat opening.
Cup Diameter
The Marcinkiewicz 5*W (Endorsee) has a cup diameter of 16.76 mm / 0.6598 in compared to 16.75 mm / 0.6594 in on the Denis Wick 3 — a difference of 0.01 mm / 0.0004 in. A wider cup generally produces a fuller, darker tone but requires more air support.
Cup Depth
The Denis Wick 3 has a very deep cup while the Marcinkiewicz 5*W (Endorsee) has a very shallow cup. Deeper cups favor a darker, richer sound; shallower cups provide more brightness and easier upper register.
Throat Diameter
The Denis Wick 3 has a wider throat (4.57 mm / 0.1799 in vs 3.91 mm / 0.1539 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.