Marcinkiewicz 3 / 5C vs Monette Cornet B2 FL
The Marcinkiewicz 3 / 5C has a wider cup diameter, the Monette Cornet B2 FL features a deeper cup, the Marcinkiewicz 3 / 5C has a larger throat opening.
The width of the rim surface that contacts the lips. Wider rims improve endurance; narrower rims improve flexibility.
Mouthpiece A
Marcinkiewicz 3 / 5C
• Cornet
Rim width—
vs
Mouthpiece B
Monette Cornet B2 FL
• Cornet
Rim width—
Best suited for
Orchestral playing — large cup for full, dark tone
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.