Bach 5C vs Schilke 13B
The Schilke 13B has a wider cup diameter, the Schilke 13B features a deeper cup, the Bach 5C has a larger throat opening.
The taper behind the throat leading to the shank. Affects projection and tone character.
Mouthpiece A
Bach 5C
• Trumpet
Backbore—
Best suited for
All-round versatile — balanced cup for general playing
vs
Mouthpiece B
Schilke 13B
• Trumpet
Backbore26
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.