Curry 10.5 TF vs Kelly 5C-BUGLE
The Kelly 5C-BUGLE has a wider cup diameter, the Kelly 5C-BUGLE features a deeper cup, the Kelly 5C-BUGLE has a larger throat opening.
The internal diameter of the cup, measured at the widest point inside the rim.
Mouthpiece A
Curry 10.5 TF
• Trumpet
Cup diameter15.88 mm / 0.6250 in
vs
Mouthpiece B
Kelly 5C-BUGLE
• Trumpet
GeneralCup diameter16.76 mm / 0.6598 in
Best suited for
High-volume projection — open throat for power
Mid-range bugle use
Cup Diameter
The Kelly 5C-BUGLE has a cup diameter of 16.76 mm / 0.6598 in compared to 15.88 mm / 0.6250 in on the Curry 10.5 TF — a difference of 0.89 mm / 0.0348 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.