Curry 1.25 BBC vs Curry 10.5 BBC
The Curry 1.25 BBC has a wider cup diameter.
Mouthpiece A
Curry 1.25 BBC
• Cornet
Cup diameter17.07 mm / 0.6720 in
Cup depthVery deep
Rim width—
Throat diameter4.06 mm / 0.1600 in
Backbore—
Finish—
Material—
Best suited for
Orchestral playing — large cup for full, dark tone
High-volume projection — open throat for power
vs
Mouthpiece B
Curry 10.5 BBC
• Cornet
Cup diameter15.88 mm / 0.6250 in
Cup depthVery deep
Rim width—
Throat diameter4.06 mm / 0.1600 in
Backbore—
Finish—
Material—
Best suited for
High-volume projection — open throat for power
Cup Diameter
The Curry 1.25 BBC has a cup diameter of 17.07 mm / 0.6720 in compared to 15.88 mm / 0.6250 in on the Curry 10.5 BBC — a difference of 1.19 mm / 0.0470 in. A wider cup generally produces a fuller, darker tone but requires more air support.
Cup Depth
Both mouthpieces share a very deep cup depth, so the sound character from depth alone will be very similar.
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.