Conn Precision 3 vs Giardinelli 10C

The Conn Precision 3 has a wider cup diameter, the Giardinelli 10C features a deeper cup.

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 Precision 3
    • Cornet
    General
    Cup depthMedium
    Best suited for
    🎵All-round versatile — balanced cup for general playing
    📋All-around use; most popular model
    🎶Bright quality of tone in all registers; good all-around
    vs
    Mouthpiece B
      Giardinelli 10C
      • Cornet
      Cup depthDeep

      Cup Depth

      The Giardinelli 10C has a deep cup while the Conn Precision 3 has a medium cup. Deeper cups favor a darker, richer sound; shallower cups provide more brightness and easier upper register.

      Which is better?

      Neither mouthpiece clearly dominates the other — the right choice depends on your embouchure, playing style, and the sound you're after. Try both if possible.

      Open in interactive tool + Add third mouthpiece Conn Precision 3 details Giardinelli 10C details Conn Precision 3 equivalents Giardinelli 10C equivalents