Conn Precision 3 vs Giardinelli 17S

The Conn Precision 3 has a wider cup diameter, the Conn Precision 3 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 17S
      • Cornet
      Cup depthShallow
      Best suited for
      🎺Lead / commercial — shallow cup for brightness and range

      Cup Depth

      The Conn Precision 3 has a medium cup while the Giardinelli 17S has a shallow 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 17S details Conn Precision 3 equivalents Giardinelli 17S equivalents