Which has a bigger cup — Bach 9 or Curry 7C?

The Curry 7C has a cup diameter of 24.74 mm / 0.9740 in compared to 24.72 mm / 0.9732 in on the Bach 9 — a difference of 0.02 mm / 0.0008 in. A wider cup generally produces a fuller, darker tone but requires more air support.

How does cup depth compare between Bach 9 and Curry 7C?

The Bach 9 has a deep cup while the Curry 7C has a medium cup. Deeper cups favor a darker, richer sound; shallower cups provide more brightness and easier upper register.

Bach 9 vs Curry 7C

Name: Curry 7C
Brand: Curry

The Curry 7C has a wider cup diameter, the Bach 9 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

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

Mouthpiece A

Bach 9

• Trombone

Material—

Best suited for

🎻Orchestral playing — large cup for full, dark tone

📣High-volume projection — open throat for power

Mouthpiece B

Curry 7C

• 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 9 details Curry 7C details Bach 9 equivalents Curry 7C equivalents

Bach 9 vs Curry 7C

Playing Characteristics

What Do These Model Names Mean?

What Changes If You Switch?

Which is better?

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