Marcinkiewicz 5*W (Endorsee) vs Monette Cornet E2 S5
The Monette Cornet E2 S5 has a wider cup diameter, the Monette Cornet E2 S5 features a deeper cup, the Marcinkiewicz 5*W (Endorsee) has a larger throat opening.
The internal diameter of the cup, measured at the widest point inside the rim.
Mouthpiece A
Marcinkiewicz 5*W (Endorsee)
• Cornet
Cup diameter16.76 mm / 0.6598 in
Best suited for
High-volume projection — open throat for power
vs
Mouthpiece B
Monette Cornet E2 S5
• Cornet
Cup diameter17.00 mm / 0.6693 in
Best suited for
Orchestral playing — large cup for full, dark tone
Cup Diameter
The Monette Cornet E2 S5 has a cup diameter of 17.00 mm / 0.6693 in compared to 16.76 mm / 0.6598 in on the Marcinkiewicz 5*W (Endorsee) — a difference of 0.24 mm / 0.0094 in. A wider cup generally produces a fuller, darker tone but requires more air support.
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.