Which has a bigger cup — Denis Wick 2L or Kelly 24AW?

The Denis Wick 2L has a cup diameter of 32.00 mm / 1.2598 in compared to 31.24 mm / 1.2299 in on the Kelly 24AW — a difference of 0.76 mm / 0.0299 in. A wider cup generally produces a fuller, darker tone but requires more air support.

How does cup depth compare between Denis Wick 2L and Kelly 24AW?

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

Denis Wick 2L vs Kelly 24AW

Name: Kelly 24AW
Brand: Kelly

The Denis Wick 2L has a wider cup diameter.

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

Base metal or construction (e.g. brass, stainless steel, plastic). Influences weight, response, and tone color.

Mouthpiece A

Denis Wick 2L

• Tuba

Material—

Best suited for

🎻Orchestral playing — large cup for full, dark tone

📣High-volume projection — open throat for power

Mouthpiece B

Kelly 24AW

• Tuba

General

MaterialLexan polycarbonate

Best suited for

🎻Orchestral playing — large cup for full, dark tone

📋Tuba / sousaphone

Material

The Denis Wick 2L is described as unspecified, and the Kelly 24AW as Lexan polycarbonate. Material affects mass, warmth, and how quickly the piece responds.

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 2L vs Kelly 24AW

Material

Playing Characteristics

What Do These Model Names Mean?

What Changes If You Switch?

Which is better?

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