Bach 1¼C vs Marcinkiewicz CH 1 / 5B
The Marcinkiewicz CH 1 / 5B has a wider cup diameter, the Bach 1¼C features a deeper cup.
The taper behind the throat leading to the shank. Affects projection and tone character.
Mouthpiece A
Bach 1¼C
• Trumpet
Backbore—
vs
Mouthpiece B
Marcinkiewicz CH 1 / 5B
• Trumpet
Backbore—
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.