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Bach 6½AL (large shank) vs Conn Precision 3

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
    Bach 6½AL (large shank)
    • Trombone
    Cup depthDeep
    Best suited for
    🎻Orchestral playing — large cup for full, dark tone
    📣High-volume projection — open throat for power
    vs
    Mouthpiece B
      Conn Precision 3
      • Trombone
      General
      Cup depth
      Best suited for
      📋Musicians with large lips; all kinds of band work
      🎶Full round tone; ideal for large lips

      Cup Depth

      The Conn Precision 3 has a — cup while the Bach 6½AL (large shank) has a deep 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 6½AL (large shank) details Conn Precision 3 details Bach 6½AL (large shank) equivalents Conn Precision 3 equivalents

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