Bach 3G vs Bruno Tilz 215-4 B
The Bruno Tilz 215-4 B has a wider cup diameter, the Bach 3G features a deeper cup, the Bruno Tilz 215-4 B has a larger throat opening.
Cup Diameter
The Bruno Tilz 215-4 B has a cup diameter of 26.50 mm / 1.0433 in compared to 26.26 mm / 1.0339 in on the Bach 3G — a difference of 0.24 mm / 0.0094 in. A wider cup generally produces a fuller, darker tone but requires more air support.
Cup Depth
The Bach 3G has a very deep cup while the Bruno Tilz 215-4 B 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 215-4 B has a wider throat (7.10 mm / 0.2795 in vs 7.01 mm / 0.2760 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.
Compare Bach 3G with others
Compare Bruno Tilz 215-4 B with others
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