Which has a bigger cup — Bach 12E or Curry 4C?

The Curry 4C has a cup diameter of 25.73 mm / 1.0130 in compared to 24.50 mm / 0.9646 in on the Bach 12E — a difference of 1.23 mm / 0.0484 in. A wider cup generally produces a fuller, darker tone but requires more air support.

How does cup depth compare between Bach 12E and Curry 4C?

The Curry 4C has a medium cup while the Bach 12E has a shallow cup. Deeper cups favor a darker, richer sound; shallower cups provide more brightness and easier upper register.

Bach 12E vs Curry 4C

Name: Curry 4C
Brand: Curry

The Curry 4C has a wider cup diameter, the Curry 4C features a deeper cup, the Curry 4C has a larger throat opening.

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

The taper behind the throat leading to the shank. Affects projection and tone character.

Mouthpiece A

Bach 12E

• Trombone

Backbore—

Best suited for

📣High-volume projection — open throat for power

Mouthpiece B

Curry 4C

• Trombone

Backbore—

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.

Open in interactive tool + Add third mouthpiece Bach 12E details Curry 4C details Bach 12E equivalents Curry 4C equivalents

Bach 12E vs Curry 4C

Playing Characteristics

What Do These Model Names Mean?

What Changes If You Switch?

Which is better?

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