Curry 2 VC vs Kelly 4B-UK
The Curry 2 VC has a wider cup diameter, the Kelly 4B-UK features a deeper cup, the Kelly 4B-UK has a larger throat opening.
The internal diameter of the cup, measured at the widest point inside the rim.
Mouthpiece A
Curry 2 VC
• Cornet
Cup diameter16.97 mm / 0.6680 in
Best suited for
Orchestral playing — large cup for full, dark tone
High-volume projection — open throat for power
vs
Mouthpiece B
Kelly 4B-UK
• Cornet
OrchestralCup diameter16.51 mm / 0.6500 in
Best suited for
High-volume projection — open throat for power
Professional cornet; British brass band
Cup Diameter
The Curry 2 VC has a cup diameter of 16.97 mm / 0.6680 in compared to 16.51 mm / 0.6500 in on the Kelly 4B-UK — a difference of 0.46 mm / 0.0180 in. A wider cup generally produces a fuller, darker tone but requires more air support.
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.