Conn Precision 1 vs Denis Wick 4B

The Conn Precision 1 has a wider cup diameter, the Conn Precision 1 features a deeper cup.

Overall Comparison Cup Diameter Cup Depth Rim Width Throat Diameter Backbore Finish Material
Mouthpiece A
    Conn Precision 1
    • Cornet
    General
    Cup diameter16.56 mm / 0.6520 in
    Cup depth
    Rim width
    Throat diameter
    Backbore
    Finish
    MaterialSilver-plated brass
    Best suited for
    📋All-around players; comfortable wide rim
    🎶Full round tone; suited to low notes
    vs
    Mouthpiece B
      Denis Wick 4B
      • Cornet
      Cup diameter16.50 mm / 0.6496 in
      Cup depthMedium
      Rim width5.17 mm / 0.2035 in
      Throat diameter4.27 mm / 0.1681 in
      BackboreV-type
      Finish
      Material
      Best suited for
      🎵All-round versatile — balanced cup for general playing
      📣High-volume projection — open throat for power

      Cup Diameter

      The Conn Precision 1 has a cup diameter of 16.56 mm / 0.6520 in compared to 16.50 mm / 0.6496 in on the Denis Wick 4B — a difference of 0.06 mm / 0.0024 in. A wider cup generally produces a fuller, darker tone but requires more air support.

      Cup Depth

      The Conn Precision 1 has a — cup while the Denis Wick 4B has a medium cup. Deeper cups favor a darker, richer sound; shallower cups provide more brightness and easier upper register.

      Material

      The Conn Precision 1 is described as Silver-plated brass, and the Denis Wick 4B as unspecified. 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 Conn Precision 1 details Denis Wick 4B details Conn Precision 1 equivalents Denis Wick 4B equivalents