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

The Curry 7M 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 7M?

The Curry 7M 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 7M

Name: Curry 7M
Brand: Curry

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

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

Base metal or construction (e.g. brass, stainless steel, plastic). Influences weight, response, and tone color.

Mouthpiece A

Bach 12E

• Trombone

Material—

Best suited for

📣High-volume projection — open throat for power

Mouthpiece B

Curry 7M

• Trombone

Material—

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 7M details Bach 12E equivalents Curry 7M equivalents

Bach 12E vs Curry 7M

Playing Characteristics

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What Changes If You Switch?

Which is better?

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