Bach 3C vs Bob Reeves Piccolo 40/SV/692
The Bach 3C has a wider cup diameter, the Bach 3C features a deeper cup.
The width of the rim surface that contacts the lips. Wider rims improve endurance; narrower rims improve flexibility.
Mouthpiece A
Bach 3C
• Trumpet
Rim width—
Best suited for
All-round versatile — balanced cup for general playing
vs
Mouthpiece B
Bob Reeves Piccolo 40/SV/692
• Trumpet
Rim width—
Best suited for
Lead / commercial — shallow cup for brightness and range
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.