Bach 1½C vs Conn Precision 2

The Bach 1½C 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
How deep the cup is, from shallow (brighter, easier high register) to deep (darker, fuller sound).
Mouthpiece A
    Bach 1½C
    • Cornet
    Cup depthMedium
    vs
    Mouthpiece B
      Conn Precision 2
      • Cornet
      General
      Cup depth
      Best suited for
      📋Players wanting plenty of volume; medium rim
      🎶Full volume; big tone

      Cup Depth

      The Conn Precision 2 has a — cup while the Bach 1½C 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 Bach 1½C details Conn Precision 2 details Bach 1½C equivalents Conn Precision 2 equivalents