Bach 1C vs Schilke 16C2
The Schilke 16C2 has a wider cup diameter, the Bach 1C has a larger throat opening.
The narrowest point at the bottom of the cup. Affects resistance, volume, and tone color.
Mouthpiece A
Bach 1C
• Trumpet
Throat diameter3.66 mm
vs
Mouthpiece B
Schilke 16C2
• Trumpet
Throat diameter3.65 mm
Throat Diameter
The Bach 1C has a wider throat (3.66 mm vs 3.65 mm). A wider throat allows more air through, increasing volume and projection but reducing resistance.
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.