Which has a bigger cup — Bach 1¼C or Curry 3 C.?

The Bach 1¼C has a cup diameter of 17.00 mm / 0.6693 in compared to 16.89 mm / 0.6650 in on the Curry 3 C. — a difference of 0.11 mm / 0.0043 in. A wider cup generally produces a fuller, darker tone but requires more air support.

Bach 1¼C vs Curry 3 C.

Name: Curry 3 C.
Brand: Curry

The Bach 1¼C has a wider cup diameter, the Curry 3 C. has a larger throat opening.

Overall Comparison Cup Diameter Cup Depth Rim Width Throat Diameter Backbore Finish Material

How deep the cup is, from shallow (brighter, easier high register) to deep (darker, fuller sound).

Mouthpiece A

Bach 1¼C

• Trumpet

Cup depthMedium

Mouthpiece B

Curry 3 C.

• Trumpet

Cup depthMedium

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.