Kelly 3C vs Monette Cornet B2 FL
The Kelly 3C has a wider cup diameter, the Kelly 3C features a deeper cup, the Kelly 3C has a larger throat opening.
Base metal or construction (e.g. brass, stainless steel, plastic). Influences weight, response, and tone color.
Mouthpiece A
Kelly 3C
• Cornet
GeneralMaterialLexan polycarbonate
Best suited for
Orchestral playing — large cup for full, dark tone
High-volume projection — open throat for power
All-purpose mid-range
vs
Mouthpiece B
Monette Cornet B2 FL
• Cornet
Material—
Best suited for
Orchestral playing — large cup for full, dark tone
Material
The Kelly 3C is described as Lexan polycarbonate, and the Monette Cornet B2 FL 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.