Bach 10½D vs Marcinkiewicz 5*W (Endorsee)
The Marcinkiewicz 5*W (Endorsee) has a wider cup diameter, the Bach 10½D features a deeper cup, the Marcinkiewicz 5*W (Endorsee) has a larger throat opening.
The taper behind the throat leading to the shank. Affects projection and tone character.
Mouthpiece A
Bach 10½D
• Cornet
Backbore—
Best suited for
Lead / commercial — shallow cup for brightness and range
vs
Mouthpiece B
Marcinkiewicz 5*W (Endorsee)
• 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.