Bach 5C Flugel vs Bruno Tilz 210-S 9 E
The Bruno Tilz 210-S 9 E has a wider cup diameter, the Bruno Tilz 210-S 9 E features a deeper cup, the Bach 5C Flugel has a larger throat opening.
Cup Diameter
The Bruno Tilz 210-S 9 E has a cup diameter of 17.00 mm compared to 16.25 mm on the Bach 5C Flugel — a difference of +0.75 mm. A wider cup generally produces a fuller, darker tone but requires more air support.
Cup Depth
The Bruno Tilz 210-S 9 E has a deep cup while the Bach 5C Flugel has a medium cup. Deeper cups favor a darker, richer sound; shallower cups provide more brightness and easier upper register.
Throat Diameter
The Bach 5C Flugel has a wider throat (3.99 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.