Bach 2½C vs Conn Precision 2

The Conn Precision 2 has a wider cup diameter, the Conn Precision 2 features a deeper cup.

Overall Comparison Cup Diameter Cup Depth Rim Width Throat Diameter Backbore Finish Material
Base metal or construction (e.g. brass, stainless steel, plastic). Influences weight, response, and tone color.
Mouthpiece A
    Bach 2½C
    • Cornet
    Material
    Best suited for
    🎵All-round versatile — balanced cup for general playing
    vs
    Mouthpiece B
      Conn Precision 2
      • Cornet
      General
      MaterialSilver-plated brass
      Best suited for
      📋Players wanting plenty of volume; medium rim
      🎶Full volume; big tone

      Material

      The Bach 2½C is described as unspecified, and the Conn Precision 2 as Silver-plated brass. Material affects mass, warmth, and how quickly the piece responds.

      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 Bach 2½C details Conn Precision 2 details Bach 2½C equivalents Conn Precision 2 equivalents