Which has a bigger cup — Denis Wick 2SL or Kelly 25?

The Denis Wick 2SL has a cup diameter of 32.00 mm / 1.2598 in compared to 30.99 mm / 1.2201 in on the Kelly 25 — a difference of 1.01 mm / 0.0398 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 25?

The Kelly 25 has a medium cup while the Denis Wick 2SL has a shallow cup. Deeper cups favor a darker, richer sound; shallower cups provide more brightness and easier upper register.

Denis Wick 2SL vs Kelly 25

Name: Kelly 25
Brand: Kelly

The Denis Wick 2SL has a wider cup diameter, the Kelly 25 features a deeper cup.

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 25

• Tuba

General

MaterialLexan polycarbonate

Best suited for

📋General tuba / euphonium doubler

Material

The Denis Wick 2SL is described as unspecified, and the Kelly 25 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 25 details Denis Wick 2SL equivalents Kelly 25 equivalents

Denis Wick 2SL vs Kelly 25

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 25 with others

Popular Tuba comparisons

Denis Wick vs Kelly

Browse by specification