Bach 12 vs Denis Wick 6BM

The Denis Wick 6BM has a wider cup diameter, the Bach 12 features a deeper cup, the Denis Wick 6BM has a larger throat opening.

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 12
    • Baritone / Euphonium
    Cup depthDeep
    Best suited for
    🎻Orchestral playing — large cup for full, dark tone
    📣High-volume projection — open throat for power
    vs
    Mouthpiece B
      Denis Wick 6BM
      • Baritone / Euphonium
      Cup depthMedium
      Best suited for
      📣High-volume projection — open throat for power

      Cup Depth

      The Bach 12 has a deep cup while the Denis Wick 6BM 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 12 details Denis Wick 6BM details Bach 12 equivalents Denis Wick 6BM equivalents