Kelly 4B-UK vs Monette Cornet C4LVS
The Kelly 4B-UK has a wider cup diameter, the Kelly 4B-UK features a deeper cup, the Kelly 4B-UK has a larger throat opening.
Base metal or construction (e.g. brass, stainless steel, plastic). Influences weight, response, and tone color.
Mouthpiece A
Kelly 4B-UK
• Cornet
OrchestralMaterialLexan polycarbonate
Best suited for
High-volume projection — open throat for power
Professional cornet; British brass band
vs
Mouthpiece B
Monette Cornet C4LVS
• Cornet
Material—
Best suited for
All-round versatile — balanced cup for general playing
Material
The Kelly 4B-UK 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.