Bach 2½C vs Curry 10.5 BBC
The Bach 2½C has a wider cup diameter, the Curry 10.5 BBC features a deeper cup, the Curry 10.5 BBC has a larger throat opening.
The narrowest point at the bottom of the cup. Affects resistance, volume, and tone color.
Mouthpiece A
Bach 2½C
• Cornet
Throat diameter3.66 mm / 0.1441 in
Best suited for
All-round versatile — balanced cup for general playing
vs
Mouthpiece B
Curry 10.5 BBC
• Cornet
Throat diameter4.06 mm / 0.1600 in
Best suited for
High-volume projection — open throat for power
Throat Diameter
The Curry 10.5 BBC has a wider throat (4.06 mm / 0.1600 in vs 3.66 mm / 0.1441 in). 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.