Which has a bigger cup — Denis Wick 4B or Kelly 7C?

The Kelly 7C has a cup diameter of 16.51 mm / 0.6500 in compared to 16.50 mm / 0.6496 in on the Denis Wick 4B — a difference of 0.01 mm / 0.0004 in. A wider cup generally produces a fuller, darker tone but requires more air support.

How does cup depth compare between Denis Wick 4B and Kelly 7C?

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

Denis Wick 4B vs Kelly 7C

Name: Kelly 7C
Brand: Kelly

The Kelly 7C has a wider cup diameter, the Denis Wick 4B 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 4B

• Cornet

Finish—

Best suited for

🎵All-round versatile — balanced cup for general playing

📣High-volume projection — open throat for power

Mouthpiece B

Kelly 7C

• Cornet

General

Finish—

Best suited for

🎵All-round versatile — balanced cup for general playing

📋Beginner / intermediate

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 4B vs Kelly 7C

Playing Characteristics

What Do These Model Names Mean?

What Changes If You Switch?

Which is better?

Compare Denis Wick 4B with others

Compare Kelly 7C with others

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Denis Wick vs Kelly

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