Bach 1½C vs Marcinkiewicz B5C-24
The Marcinkiewicz B5C-24 has a wider cup diameter, the Bach 1½C features a deeper cup, the Marcinkiewicz B5C-24 has a larger throat opening.
The taper behind the throat leading to the shank. Affects projection and tone character.
Mouthpiece A
Bach 1½C
• Cornet
Backbore—
vs
Mouthpiece B
Marcinkiewicz B5C-24
• Cornet
Backbore—
Best suited for
High-volume projection — open throat for power
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.