Bruno Tilz 310-M 15 vs Denis Wick 5L
The Bruno Tilz 310-M 15 has a wider cup diameter, the Denis Wick 5L features a deeper cup, the Bruno Tilz 310-M 15 has a larger throat opening.
Cup Diameter
The Bruno Tilz 310-M 15 has a cup diameter of 31.00 mm / 1.2205 in compared to 30.00 mm / 1.1811 in on the Denis Wick 5L — a difference of 1.00 mm / 0.0394 in. A wider cup generally produces a fuller, darker tone but requires more air support.
Cup Depth
The Denis Wick 5L has a very deep cup while the Bruno Tilz 310-M 15 has a deep cup. Deeper cups favor a darker, richer sound; shallower cups provide more brightness and easier upper register.
Throat Diameter
The Bruno Tilz 310-M 15 has a wider throat (8.00 mm / 0.3150 in vs 7.89 mm / 0.3106 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.