Conn Precision 1 vs Curry 1.5G Large Shank

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
    • Trombone
    Orchestral
    Cup diameter
    Cup depth
    Rim width
    Throat diameter
    Backbore
    Finish
    MaterialSilver-plated brass
    Best suited for
    📋Large bore trombones; symphony work
    🎶Good clear tone; large bore symphonic
    vs
    Mouthpiece B
      Curry 1.5G Large Shank
      • Trombone
      Cup diameter28.02 mm / 1.1030 in
      Cup depthDeep
      Rim width
      Throat diameter7.06 mm / 0.2780 in
      Backbore
      Finish
      Material
      Best suited for
      🎻Orchestral playing — large cup for full, dark tone
      📣High-volume projection — open throat for power

      Cup Depth

      The Conn Precision 1 has a — cup while the Curry 1.5G Large Shank has a deep 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 Curry 1.5G Large Shank 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 Curry 1.5G Large Shank details Conn Precision 1 equivalents Curry 1.5G Large Shank equivalents