Bruno Tilz 214-14 AL vs Yamaha SL-TRUDEL-S
The Bruno Tilz 214-14 AL has a wider cup diameter, the Yamaha SL-TRUDEL-S features a deeper cup, the Yamaha SL-TRUDEL-S has a larger throat opening.
Cup Diameter
The Bruno Tilz 214-14 AL has a cup diameter of 26.00 mm / 1.0236 in compared to 25.23 mm / 0.9933 in on the Yamaha SL-TRUDEL-S — a difference of 0.77 mm / 0.0303 in. A wider cup generally produces a fuller, darker tone but requires more air support.
Cup Depth
The Yamaha SL-TRUDEL-S has a very deep cup while the Bruno Tilz 214-14 AL has a deep cup. Deeper cups favor a darker, richer sound; shallower cups provide more brightness and easier upper register.
Throat Diameter
The Yamaha SL-TRUDEL-S has a wider throat (7.15 mm / 0.2815 in vs 6.80 mm / 0.2677 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.