Bob Reeves 40/SV/692sL vs Curry 3 C.
The Curry 3 C. has a wider cup diameter, the Curry 3 C. features a deeper cup.
The internal diameter of the cup, measured at the widest point inside the rim.
Mouthpiece A
Bob Reeves 40/SV/692sL
• Trumpet
Cup diameter15.88 mm / 0.6252 in
Best suited for
Lead / commercial — shallow cup for brightness and range
vs
Mouthpiece B
Curry 3 C.
• Trumpet
Cup diameter16.89 mm / 0.6650 in
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/SV/692sL — a difference of 1.01 mm / 0.0398 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.