Which has a bigger cup — Denis Wick 2SL or Kelly X-SMALL?

The Denis Wick 2SL has a cup diameter of 32.00 mm / 1.2598 in compared to 30.73 mm / 1.2098 in on the Kelly X-SMALL — a difference of 1.27 mm / 0.0500 in. A wider cup generally produces a fuller, darker tone but requires more air support.

How does cup depth compare between Denis Wick 2SL and Kelly X-SMALL?

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

Denis Wick 2SL vs Kelly X-SMALL

Name: Kelly X-SMALL
Brand: Kelly

The Denis Wick 2SL 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 2SL

• Tuba

Material—

Best suited for

📣High-volume projection — open throat for power

Mouthpiece B

Kelly X-SMALL

• Tuba

Student

MaterialLexan polycarbonate

Best suited for

📋Student / Eb tuba / euphonium doubler

Material

The Denis Wick 2SL is described as unspecified, and the Kelly X-SMALL 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.

Open in interactive tool + Add third mouthpiece Denis Wick 2SL details Kelly X-SMALL details Denis Wick 2SL equivalents Kelly X-SMALL equivalents

Denis Wick 2SL vs Kelly X-SMALL

Material

Playing Characteristics

What Do These Model Names Mean?

What Changes If You Switch?

Which is better?

Compare Denis Wick 2SL with others

Compare Kelly X-SMALL with others

Popular Tuba comparisons

Denis Wick vs Kelly

Browse by specification