Monette Cornet E1-5M S12 vs Yamaha CR-11E4S
The Monette Cornet E1-5M S12 has a wider cup diameter, the Yamaha CR-11E4S has a larger throat opening.
The internal diameter of the cup, measured at the widest point inside the rim.
Mouthpiece A
Monette Cornet E1-5M S12
• Cornet
Cup diameter17.00 mm / 0.6693 in
Best suited for
Orchestral playing — large cup for full, dark tone
vs
Mouthpiece B
Yamaha CR-11E4S
• Cornet
Cup diameter16.46 mm / 0.6480 in
Best suited for
High-volume projection — open throat for power
Cup Diameter
The Monette Cornet E1-5M S12 has a cup diameter of 17.00 mm / 0.6693 in compared to 16.46 mm / 0.6480 in on the Yamaha CR-11E4S — a difference of 0.54 mm / 0.0213 in. A wider cup generally produces a fuller, darker tone but requires more air support.
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.