Bach 9A vs Monette Cornet C4LVS
The Monette Cornet C4LVS has a wider cup diameter, the Bach 9A features a deeper cup.
The taper behind the throat leading to the shank. Affects projection and tone character.
Mouthpiece A
Bach 9A
• Cornet
Backbore—
vs
Mouthpiece B
Monette Cornet C4LVS
• Cornet
Backbore—
Best suited for
All-round versatile — balanced cup for general playing
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.