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Conn Imp. Precision 1 vs Conn Imp. Precision 3

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
How deep the cup is, from shallow (brighter, easier high register) to deep (darker, fuller sound).
Mouthpiece A
    Conn Imp. Precision 1
    • Trombone
    Orchestral
    Cup depth
    Best suited for
    📋Large bore trombones; symphony
    🎶Good clear tone; large bore symphonic
    vs
    Mouthpiece B
      Conn Imp. Precision 3
      • Trombone
      General
      Cup depth
      Best suited for
      📋Large lips; all band work
      🎶Full round tone

      Cup Depth

      Both mouthpieces share a — cup depth, so the sound character from depth alone will be very similar.

      Which is better?

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

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

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