Which has a bigger cup — Curry 6 DC or Kelly 5C?

The Kelly 5C has a cup diameter of 16.76 mm / 0.6598 in compared to 16.71 mm / 0.6580 in on the Curry 6 DC — a difference of 0.05 mm / 0.0018 in. A wider cup generally produces a fuller, darker tone but requires more air support.

How does cup depth compare between Curry 6 DC and Kelly 5C?

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

Curry 6 DC vs Kelly 5C

Name: Kelly 5C
Brand: Kelly

The Kelly 5C has a wider cup diameter, the Curry 6 DC 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

Curry 6 DC

• Cornet

Finish—

Best suited for

📣High-volume projection — open throat for power

Mouthpiece B

Kelly 5C

• Cornet

General

Finish—

Best suited for

📣High-volume projection — open throat for power

📋Mid-range all-purpose

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 Curry 6 DC details Kelly 5C details Curry 6 DC equivalents Kelly 5C equivalents

Curry 6 DC vs Kelly 5C

Playing Characteristics

What Do These Model Names Mean?

What Changes If You Switch?

Which is better?

Compare Curry 6 DC with others

Compare Kelly 5C with others

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