Denis Wick 3 vs Kelly 7C

The Denis Wick 3 has a wider cup diameter, the Denis Wick 3 features a deeper cup, the Denis Wick 3 has a larger throat opening.

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 3
    • Cornet
    Material
    Best suited for
    📣High-volume projection — open throat for power
    vs
    Mouthpiece B
      Kelly 7C
      • Cornet
      General
      MaterialLexan polycarbonate
      Best suited for
      🎵All-round versatile — balanced cup for general playing
      📋Beginner / intermediate

      Material

      The Denis Wick 3 is described as unspecified, and the Kelly 7C 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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