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Bach 8½A vs Conn Precision 4

The Conn Precision 4 has a wider cup diameter, the Bach 8½A 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 8½A
    • Cornet
    Cup depthVery deep
    vs
    Mouthpiece B
      Conn Precision 4
      • Cornet
      General
      Cup depthMedium
      Best suited for
      🎵All-round versatile — balanced cup for general playing
      📋Players with large lips; close to Bach 2C/Schilke 16C4
      🎶Bright tone; same as Model 3 with wide rim

      Cup Depth

      The Bach 8½A has a very deep cup while the Conn Precision 4 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 8½A details Conn Precision 4 details Bach 8½A equivalents Conn Precision 4 equivalents

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