Which has a bigger cup — Curry 1 BBC or Kelly 3C?

The Curry 1 BBC has a cup diameter of 17.27 mm / 0.6800 in compared to 17.02 mm / 0.6701 in on the Kelly 3C — a difference of 0.25 mm / 0.0099 in. A wider cup generally produces a fuller, darker tone but requires more air support.

How does cup depth compare between Curry 1 BBC and Kelly 3C?

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

Curry 1 BBC vs Kelly 3C

Name: Kelly 3C
Brand: Kelly

The Curry 1 BBC has a wider cup diameter.

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 1 BBC

• Cornet

Finish—

Best suited for

🎻Orchestral playing — large cup for full, dark tone

📣High-volume projection — open throat for power

Mouthpiece B

Kelly 3C

• Cornet

General

Finish—

Best suited for

🎻Orchestral playing — large cup for full, dark tone

📣High-volume projection — open throat for power

📋All-purpose mid-range

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 1 BBC details Kelly 3C details Curry 1 BBC equivalents Kelly 3C equivalents

Curry 1 BBC vs Kelly 3C

Playing Characteristics

What Do These Model Names Mean?

What Changes If You Switch?

Which is better?

Compare Curry 1 BBC with others

Compare Kelly 3C with others

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