Marcinkiewicz 14 vs Marcinkiewicz 15
Both mouthpieces share similar core dimensions — the differences are in the details.
The narrowest point at the bottom of the cup. Affects resistance, volume, and tone color.
Mouthpiece A
Marcinkiewicz 14
• Cornet
Throat diameter3.73 mm / 0.1469 in
vs
Mouthpiece B
Marcinkiewicz 15
• Cornet
Throat diameter3.73 mm / 0.1469 in
Throat Diameter
Throat diameters are essentially identical at 3.73 mm / 0.1469 in, so resistance feel will be comparable.
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.