Marcinkiewicz 2 / 7B vs Yamaha CR-17C4L
The Yamaha CR-17C4L has a wider cup diameter, the Marcinkiewicz 2 / 7B has a larger throat opening.
The taper behind the throat leading to the shank. Affects projection and tone character.
Mouthpiece A
Marcinkiewicz 2 / 7B
• Cornet
Backbore—
vs
Mouthpiece B
Yamaha CR-17C4L
• Cornet
BackboreStandard
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.