Conn Imp. Precision 1 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 1
    • Cornet
    General
    Cup diameter16.56 mm / 0.6520 in
    Best suited for
    📋All-around; comfortable popular model
    🎶Full round tone especially on low notes
    vs
    Mouthpiece B
      Conn Precision 1
      • Cornet
      General
      Cup diameter16.56 mm / 0.6520 in
      Best suited for
      📋All-around players; comfortable wide rim
      🎶Full round tone; suited to low notes

      Cup Diameter

      Both mouthpieces have virtually identical cup diameters at 16.56 mm / 0.6520 in.

      Which is better?

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

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