Curry 5 BBC vs Kelly 5C
the Curry 5 BBC has a larger throat opening.
The narrowest point at the bottom of the cup. Affects resistance, volume, and tone color.
Mouthpiece A
Curry 5 BBC
• Cornet
Throat diameter4.06 mm / 0.1600 in
Best suited for
High-volume projection — open throat for power
vs
Mouthpiece B
Kelly 5C
• Cornet
GeneralThroat diameter3.80 mm / 0.1496 in
Best suited for
High-volume projection — open throat for power
Mid-range all-purpose
Throat Diameter
The Curry 5 BBC has a wider throat (4.06 mm / 0.1600 in vs 3.80 mm / 0.1496 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.