Curry 40S vs Schilke 13A4a
The Schilke 13A4a has a wider cup diameter.
Mouthpiece A
Curry 40S
• Trumpet
Cup diameter16.26 mm / 0.6400 in
Cup depthShallow
Rim width—
Throat diameter3.66 mm / 0.1440 in
Backbore—
Finish—
Material—
vs
Mouthpiece B
Schilke 13A4a
• Trumpet
Cup diameter16.76 mm / 0.6598 in
Cup depthShallow
Rim width—
Throat diameter3.66 mm / 0.1441 in
Backbore27
Finish—
Material—
Cup Diameter
The Schilke 13A4a has a cup diameter of 16.76 mm / 0.6598 in compared to 16.26 mm / 0.6400 in on the Curry 40S — a difference of 0.50 mm / 0.0198 in. A wider cup generally produces a fuller, darker tone but requires more air support.
Cup Depth
Both mouthpieces share a shallow cup depth, so the sound character from depth alone will be very similar.
Throat Diameter
Throat diameters are essentially identical at 3.66 mm / 0.1440 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.