Curry 60X Large Shank vs Yamaha SL-YEO-S
The Curry 60X Large Shank has a wider cup diameter, the Curry 60X Large Shank features a deeper cup, the Yamaha SL-YEO-S has a larger throat opening.
Cup Diameter
The Curry 60X Large Shank has a cup diameter of 28.85 mm / 1.1360 in compared to 28.72 mm / 1.1307 in on the Yamaha SL-YEO-S — a difference of 0.13 mm / 0.0053 in. A wider cup generally produces a fuller, darker tone but requires more air support.
Cup Depth
The Curry 60X Large Shank has a very deep cup while the Yamaha SL-YEO-S 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-YEO-S has a wider throat (8.00 mm / 0.3150 in vs 7.32 mm / 0.2880 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.