Which has a bigger cup — Denis Wick 4B or Kelly 4B-UK?

The Kelly 4B-UK 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 4B-UK?

The Kelly 4B-UK has a — cup while the Denis Wick 4B has a medium cup. Deeper cups favor a darker, richer sound; shallower cups provide more brightness and easier upper register.

Denis Wick 4B vs Kelly 4B-UK

Name: Kelly 4B-UK
Brand: Kelly

The Kelly 4B-UK has a wider cup diameter, the Kelly 4B-UK features a deeper cup, the Kelly 4B-UK has a larger throat opening.

Overall Comparison Cup Diameter Cup Depth Rim Width Throat Diameter Backbore Finish Material

The taper behind the throat leading to the shank. Affects projection and tone character.

Mouthpiece A

Denis Wick 4B

• Cornet

BackboreV-type

Best suited for

🎵All-round versatile — balanced cup for general playing

📣High-volume projection — open throat for power

Mouthpiece B

Kelly 4B-UK

• Cornet

Orchestral

BackboreXL

Best suited for

📣High-volume projection — open throat for power

📋Professional cornet; British brass band

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 Denis Wick 4B details Kelly 4B-UK details Denis Wick 4B equivalents Kelly 4B-UK equivalents

Denis Wick 4B vs Kelly 4B-UK

Playing Characteristics

What Do These Model Names Mean?

What Changes If You Switch?

Which is better?

Compare Denis Wick 4B with others

Compare Kelly 4B-UK with others

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Denis Wick vs Kelly

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