Monette Cornet C4LVS vs Yamaha CR-14B4L
The Yamaha CR-14B4L has a wider cup diameter, the Monette Cornet C4LVS features a deeper cup, the Monette Cornet C4LVS has a larger throat opening.
Cup Diameter
The Yamaha CR-14B4L has a cup diameter of 16.85 mm / 0.6634 in compared to 16.20 mm / 0.6378 in on the Monette Cornet C4LVS — a difference of 0.65 mm / 0.0256 in. A wider cup generally produces a fuller, darker tone but requires more air support.
Cup Depth
The Monette Cornet C4LVS has a medium cup while the Yamaha CR-14B4L has a shallow cup. Deeper cups favor a darker, richer sound; shallower cups provide more brightness and easier upper register.
Throat Diameter
The Monette Cornet C4LVS has a wider throat (3.66 mm / 0.1441 in vs 3.65 mm / 0.1437 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.