Curry 1 BBC vs Kelly 3C
The Curry 1 BBC has a wider cup diameter.
The narrowest point at the bottom of the cup. Affects resistance, volume, and tone color.
Mouthpiece A
Curry 1 BBC
• Cornet
Throat diameter4.06 mm / 0.1600 in
Best suited for
Orchestral playing — large cup for full, dark tone
High-volume projection — open throat for power
vs
Mouthpiece B
Kelly 3C
• Cornet
GeneralThroat diameter4.06 mm / 0.1598 in
Best suited for
Orchestral playing — large cup for full, dark tone
High-volume projection — open throat for power
All-purpose mid-range
Throat Diameter
Throat diameters are essentially identical at 4.06 mm / 0.1600 in, so resistance feel will be comparable.
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.