Denis Wick 3 vs Marcinkiewicz 314
The Marcinkiewicz 314 has a wider cup diameter, the Denis Wick 3 has a larger throat opening.
The internal diameter of the cup, measured at the widest point inside the rim.
Mouthpiece A
Denis Wick 3
• Cornet
Cup diameter16.75 mm / 0.6594 in
Best suited for
High-volume projection — open throat for power
vs
Mouthpiece B
Marcinkiewicz 314
• Cornet
Cup diameter17.20 mm / 0.6772 in
Best suited for
Orchestral playing — large cup for full, dark tone
Cup Diameter
The Marcinkiewicz 314 has a cup diameter of 17.20 mm / 0.6772 in compared to 16.75 mm / 0.6594 in on the Denis Wick 3 — a difference of 0.45 mm / 0.0177 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.