Kelly 5C vs Monette Cornet C4LVS
The Kelly 5C has a wider cup diameter, the Kelly 5C features a deeper cup, the Kelly 5C has a larger throat opening.
Base metal or construction (e.g. brass, stainless steel, plastic). Influences weight, response, and tone color.
Mouthpiece A
Kelly 5C
• Cornet
GeneralMaterialLexan polycarbonate
Best suited for
High-volume projection — open throat for power
Mid-range all-purpose
vs
Mouthpiece B
Monette Cornet C4LVS
• Cornet
Material—
Best suited for
All-round versatile — balanced cup for general playing
Material
The Kelly 5C is described as Lexan polycarbonate, and the Monette Cornet C4LVS as unspecified. Material affects mass, warmth, and how quickly the piece responds.
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.