Which has a bigger cup — Bach 12E or Curry 7C?

The Curry 7C has a cup diameter of 24.74 mm / 0.9740 in compared to 24.50 mm / 0.9646 in on the Bach 12E — a difference of 0.24 mm / 0.0094 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 7C?

The Curry 7C 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 7C

Name: Curry 7C
Brand: Curry

The Curry 7C has a wider cup diameter, the Curry 7C features a deeper cup, the Curry 7C has a larger throat opening.

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

The narrowest point at the bottom of the cup. Affects resistance, volume, and tone color.

Mouthpiece A

Bach 12E

• Trombone

Throat diameter5.85 mm / 0.2303 in

Best suited for

📣High-volume projection — open throat for power

Mouthpiece B

Curry 7C

• Trombone

Throat diameter5.92 mm / 0.2330 in

Best suited for

📣High-volume projection — open throat for power

Throat Diameter

The Curry 7C has a wider throat (5.92 mm / 0.2330 in vs 5.85 mm / 0.2303 in). A wider throat allows more air through, increasing volume and projection but reducing resistance.

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 7C details Bach 12E equivalents Curry 7C equivalents

Bach 12E vs Curry 7C

Throat Diameter

Playing Characteristics

What Do These Model Names Mean?

What Changes If You Switch?

Which is better?

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