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Conn Imp. Precision 3A vs Conn Simone Mantia 11

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 width of the rim surface that contacts the lips. Wider rims improve endurance; narrower rims improve flexibility.
Mouthpiece A
    Conn Imp. Precision 3A
    • Trombone
    General
    Rim width—
    Best suited for
    📋General trombone
    🎶Good round tone all-around
    vs
    Mouthpiece B
      Conn Simone Mantia 11
      • Trombone
      General
      Rim width—
      Best suited for
      📋All-around trombone and euphonium
      🎶Narrower cup than Model 10; all-around use

      Which is better?

      Both mouthpieces are categorized as "General" — the physical dimensions above will determine which suits your embouchure and playing style better.

      Open in interactive tool + Add third mouthpiece Conn Imp. Precision 3A details Conn Simone Mantia 11 details Conn Imp. Precision 3A equivalents Conn Simone Mantia 11 equivalents

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