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Conn Imp. Precision 3 vs Conn Imp. Precision 4

the Conn Imp. Precision 4 features a deeper cup.

Overall Comparison Cup Diameter Cup Depth Rim Width Throat Diameter Backbore Finish Material
The taper behind the throat leading to the shank. Affects projection and tone character.
Mouthpiece A
    Conn Imp. Precision 3
    • Trombone
    General
    Backbore—
    Best suited for
    📋Large lips; all band work
    🎶Full round tone
    vs
    Mouthpiece B
      Conn Imp. Precision 4
      • Trombone
      Orchestral
      Backbore—
      Best suited for
      📋Bass trombone / large bore tenor
      🎶Full rich deep tone

      Which is better?

      The Conn Imp. Precision 3 is designed for general playing, while the Conn Imp. Precision 4 targets orchestral use. Your best choice depends on your musical context.

      Open in interactive tool + Add third mouthpiece Conn Imp. Precision 3 details Conn Imp. Precision 4 details Conn Imp. Precision 3 equivalents Conn Imp. Precision 4 equivalents

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