Which has a bigger cup — Denis Wick RW3 or Kelly 3C?

The Kelly 3C has a cup diameter of 17.02 mm / 0.6701 in compared to 16.75 mm / 0.6594 in on the Denis Wick RW3 — a difference of 0.27 mm / 0.0106 in. A wider cup generally produces a fuller, darker tone but requires more air support.

How does cup depth compare between Denis Wick RW3 and Kelly 3C?

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

Denis Wick RW3 vs Kelly 3C

Name: Kelly 3C
Brand: Kelly

The Kelly 3C has a wider cup diameter, the Denis Wick RW3 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

Denis Wick RW3

• Cornet

Finish—

Best suited for

📣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.

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Denis Wick RW3 vs Kelly 3C

Playing Characteristics

What Do These Model Names Mean?

What Changes If You Switch?

Which is better?

Compare Denis Wick RW3 with others

Compare Kelly 3C with others

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Denis Wick vs Kelly

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