Denis Wick 4B vs Kelly 7C

The Kelly 7C has a wider cup diameter, the Denis Wick 4B 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 4B
    • Cornet
    Material
    Best suited for
    🎵All-round versatile — balanced cup for general playing
    📣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 4B 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.

      Open in interactive tool + Add third mouthpiece Denis Wick 4B details Kelly 7C details Denis Wick 4B equivalents Kelly 7C equivalents