Bach 16 vs Bruno Tilz 211-B 11
The Bruno Tilz 211-B 11 has a wider cup diameter, the Bach 16 features a deeper cup, the Bach 16 has a larger throat opening.
Cup Diameter
The Bruno Tilz 211-B 11 has a cup diameter of 18.00 mm / 0.7087 in compared to 16.25 mm / 0.6398 in on the Bach 16 — a difference of 1.75 mm / 0.0689 in. A wider cup generally produces a fuller, darker tone but requires more air support.
Cup Depth
The Bach 16 has a very deep cup while the Bruno Tilz 211-B 11 has a shallow cup. Deeper cups favor a darker, richer sound; shallower cups provide more brightness and easier upper register.
Throat Diameter
The Bach 16 has a wider throat (4.50 mm / 0.1772 in vs 4.10 mm / 0.1614 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.