Bach 1½C vs Bach Mega Tone Cornet 3B
The Bach 1½C has a wider cup diameter, the Bach Mega Tone Cornet 3B features a deeper cup, the Bach Mega Tone Cornet 3B 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
Bach Mega Tone Cornet 3B
• Cornet
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.