Bob Reeves 40/M/692s vs Curry 3 C.
The Curry 3 C. has a wider cup diameter.
Mouthpiece A
Bob Reeves 40/M/692s
• Trumpet
Cup diameter15.88 mm / 0.6252 in
Cup depthMedium
Rim width—
Throat diameter—
Backbore692s
Finish—
Material—
vs
Mouthpiece B
Curry 3 C.
• Trumpet
Cup diameter16.89 mm / 0.6650 in
Cup depthMedium
Rim width—
Throat diameter3.70 mm / 0.1455 in
Backbore—
Finish—
Material—
Cup Diameter
The Curry 3 C. has a cup diameter of 16.89 mm / 0.6650 in compared to 15.88 mm / 0.6252 in on the Bob Reeves 40/M/692s — a difference of 1.01 mm / 0.0398 in. A wider cup generally produces a fuller, darker tone but requires more air support.
Cup Depth
Both mouthpieces share a medium cup depth, so the sound character from depth alone will be very similar.
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.