Bach 19 vs Bruno Tilz 214-D 5
The Bruno Tilz 214-D 5 has a wider cup diameter, the Bach 19 features a deeper cup, the Bruno Tilz 214-D 5 has a larger throat opening.
Cup Diameter
The Bruno Tilz 214-D 5 has a cup diameter of 26.00 mm / 1.0236 in compared to 24.00 mm / 0.9449 in on the Bach 19 — a difference of 2.00 mm / 0.0787 in. A wider cup generally produces a fuller, darker tone but requires more air support.
Cup Depth
The Bach 19 has a deep cup while the Bruno Tilz 214-D 5 has a medium cup. Deeper cups favor a darker, richer sound; shallower cups provide more brightness and easier upper register.
Throat Diameter
The Bruno Tilz 214-D 5 has a wider throat (6.30 mm / 0.2480 in vs 5.85 mm / 0.2303 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.