Bach 18D vs Denis Wick 6BM

The Denis Wick 6BM has a wider cup diameter, the Denis Wick 6BM 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
Base metal or construction (e.g. brass, stainless steel, plastic). Influences weight, response, and tone color.
Mouthpiece A
    Bach 18D
    • Baritone / Euphonium
    Material
    Best suited for
    📣High-volume projection — open throat for power
    vs
    Mouthpiece B
      Denis Wick 6BM
      • Baritone / Euphonium
      Material
      Best suited for
      📣High-volume projection — open throat for power

      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 18D details Denis Wick 6BM details Bach 18D equivalents Denis Wick 6BM equivalents