Bruno Tilz 304- D 1 vs Denis Wick SM4
The Denis Wick SM4 has a wider cup diameter, the Denis Wick SM4 features a deeper cup, the Denis Wick SM4 has a larger throat opening.
Cup Diameter
The Denis Wick SM4 has a cup diameter of 26.00 mm / 1.0236 in compared to 22.00 mm / 0.8661 in on the Bruno Tilz 304- D 1 — a difference of 4.00 mm / 0.1575 in. A wider cup generally produces a fuller, darker tone but requires more air support.
Cup Depth
The Denis Wick SM4 has a very deep cup while the Bruno Tilz 304- D 1 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 SM4 has a wider throat (7.38 mm / 0.2906 in vs 4.40 mm / 0.1732 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.