Bach 18 vs Bruno Tilz 211-T 3
The Bruno Tilz 211-T 3 has a wider cup diameter, the Bruno Tilz 211-T 3 features a deeper cup, the Bach 18 has a larger throat opening.
Cup Diameter
The Bruno Tilz 211-T 3 has a cup diameter of 17.00 mm compared to 16.15 mm on the Bach 18 — a difference of +0.85 mm. A wider cup generally produces a fuller, darker tone but requires more air support.
Cup Depth
The Bruno Tilz 211-T 3 has a deep cup while the Bach 18 has a medium cup. Deeper cups favor a darker, richer sound; shallower cups provide more brightness and easier upper register.
Throat Diameter
The Bach 18 has a wider throat (4.50 mm vs 3.70 mm). 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.