Which has a bigger cup — Bach 15CW or Curry 11S?

The Curry 11S has a cup diameter of 24.49 mm / 0.9640 in compared to 24.40 mm / 0.9606 in on the Bach 15CW — a difference of 0.09 mm / 0.0034 in. A wider cup generally produces a fuller, darker tone but requires more air support.

How does cup depth compare between Bach 15CW and Curry 11S?

Both mouthpieces share a shallow cup depth, so the sound character from depth alone will be very similar.

Bach 15CW vs Curry 11S

Name: Curry 11S
Brand: Curry

The Curry 11S has a wider cup diameter, the Curry 11S 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 15CW

• Trombone

Material—

Best suited for

📣High-volume projection — open throat for power

Mouthpiece B

Curry 11S

• 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 15CW details Curry 11S details Bach 15CW equivalents Curry 11S equivalents

Bach 15CW vs Curry 11S

Playing Characteristics

What Do These Model Names Mean?

What Changes If You Switch?

Which is better?

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