Which has a bigger cup — Bach 8¾ or Curry 10.5 DC?

The Bach 8¾ has a cup diameter of 16.10 mm / 0.6339 in compared to 15.88 mm / 0.6250 in on the Curry 10.5 DC — a difference of 0.23 mm / 0.0089 in. A wider cup generally produces a fuller, darker tone but requires more air support.

How does cup depth compare between Bach 8¾ and Curry 10.5 DC?

Both mouthpieces share a very deep cup depth, so the sound character from depth alone will be very similar.

Bach 8¾ vs Curry 10.5 DC

Name: Curry 10.5 DC
Brand: Curry

The Bach 8¾ has a wider cup diameter, the Curry 10.5 DC has a larger throat opening.

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

Surface plating or treatment (e.g. silver plate, gold trim). Affects feel, durability, and appearance.

Mouthpiece A

Bach 8¾

• Cornet

Finish—

Mouthpiece B

Curry 10.5 DC

• Cornet

Finish—

Best suited for

📣High-volume projection — open throat for power

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.