Bruno Tilz 211-SB 4 T vs Giardinelli C15
The Giardinelli C15 has a wider cup diameter, the Bruno Tilz 211-SB 4 T features a deeper cup, the Giardinelli C15 has a larger throat opening.
Cup Diameter
The Giardinelli C15 has a cup diameter of 17.50 mm compared to 17.00 mm on the Bruno Tilz 211-SB 4 T — a difference of +0.50 mm. A wider cup generally produces a fuller, darker tone but requires more air support.
Cup Depth
The Bruno Tilz 211-SB 4 T has a medium cup while the Giardinelli C15 has a shallow cup. Deeper cups favor a darker, richer sound; shallower cups provide more brightness and easier upper register.
Throat Diameter
The Giardinelli C15 has a wider throat (4.50 mm vs 4.00 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.