Bach 1½C vs Marcinkiewicz E14B. Shew #1
The Bach 1½C has a wider cup diameter, the Marcinkiewicz E14B. Shew #1 features a deeper cup, the Bach 1½C has a larger throat opening.
The taper behind the throat leading to the shank. Affects projection and tone character.
Mouthpiece A
Bach 1½C
• Trumpet
Backbore—
vs
Mouthpiece B
Marcinkiewicz E14B. Shew #1
• Trumpet
Backbore—
Best suited for
Orchestral playing — large cup for full, dark tone
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.