Bach 1¼C vs Curry 3 C.
The Bach 1¼C has a wider cup diameter, the Curry 3 C. has a larger throat opening.
The width of the rim surface that contacts the lips. Wider rims improve endurance; narrower rims improve flexibility.
Mouthpiece A
Bach 1¼C
• Trumpet
Rim width—
vs
Mouthpiece B
Curry 3 C.
• Trumpet
Rim width—
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.