Curry 1.5 DC vs Curry 3 DC.
The Curry 1.5 DC has a wider cup diameter.
Mouthpiece A
Curry 1.5 DC
• Cornet
Cup diameter17.02 mm / 0.6700 in
Cup depthVery deep
Rim width—
Throat diameter3.81 mm / 0.1500 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 3 DC.
• Cornet
Cup diameter16.89 mm / 0.6650 in
Cup depthVery deep
Rim width—
Throat diameter3.81 mm / 0.1500 in
Backbore—
Finish—
Material—
Best suited for
Orchestral playing — large cup for full, dark tone
High-volume projection — open throat for power
Cup Diameter
The Curry 1.5 DC has a cup diameter of 17.02 mm / 0.6700 in compared to 16.89 mm / 0.6650 in on the Curry 3 DC. — a difference of 0.13 mm / 0.0050 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 3.81 mm / 0.1500 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.