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Conn Imp. Precision 3 vs Conn Precision 1

Both mouthpieces share similar core dimensions — the differences are in the details.

Overall Comparison Cup Diameter Cup Depth Rim Width Throat Diameter Backbore Finish Material
The internal diameter of the cup, measured at the widest point inside the rim.
Mouthpiece A
    Conn Imp. Precision 3
    • Trombone
    General
    Cup diameter—
    Best suited for
    📋Large lips; all band work
    🎶Full round tone
    vs
    Mouthpiece B
      Conn Precision 1
      • Trombone
      Orchestral
      Cup diameter—
      Best suited for
      📋Large bore trombones; symphony work
      🎶Good clear tone; large bore symphonic

      Which is better?

      The Conn Imp. Precision 3 is designed for general playing, while the Conn Precision 1 targets orchestral use. Your best choice depends on your musical context.

      Open in interactive tool + Add third mouthpiece Conn Imp. Precision 3 details Conn Precision 1 details Conn Imp. Precision 3 equivalents Conn Precision 1 equivalents

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