Which has a bigger cup — Bach 12E or Curry 5C?

The Curry 5C has a cup diameter of 25.55 mm / 1.0060 in compared to 24.50 mm / 0.9646 in on the Bach 12E — a difference of 1.05 mm / 0.0414 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 5C?

The Curry 5C 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 5C

Name: Curry 5C
Brand: Curry

The Curry 5C has a wider cup diameter, the Curry 5C features a deeper cup, the Curry 5C 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 12E

• Trombone

Finish—

Best suited for

📣High-volume projection — open throat for power

Mouthpiece B

Curry 5C

• Trombone

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.

Open in interactive tool + Add third mouthpiece Bach 12E details Curry 5C details Bach 12E equivalents Curry 5C equivalents

Bach 12E vs Curry 5C

Playing Characteristics

What Do These Model Names Mean?

What Changes If You Switch?

Which is better?

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