Bach 17 vs Denis Wick 6BM

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

Overall Comparison Cup Diameter Cup Depth Rim Width Throat Diameter Backbore Finish Material
The narrowest point at the bottom of the cup. Affects resistance, volume, and tone color.
Mouthpiece A
    Bach 17
    • Baritone / Euphonium
    Throat diameter5.85 mm / 0.2303 in
    Best suited for
    📣High-volume projection — open throat for power
    vs
    Mouthpiece B
      Denis Wick 6BM
      • Baritone / Euphonium
      Throat diameter7.12 mm / 0.2803 in
      Best suited for
      📣High-volume projection — open throat for power

      Throat Diameter

      The Denis Wick 6BM has a wider throat (7.12 mm / 0.2803 in vs 5.85 mm / 0.2303 in). A wider throat allows more air through, increasing volume and projection but reducing resistance.

      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 17 details Denis Wick 6BM details Bach 17 equivalents Denis Wick 6BM equivalents