Bach 9 vs Marcinkiewicz 5*W (Endorsee)

The Marcinkiewicz 5*W (Endorsee) has a wider cup diameter, the Bach 9 features a deeper cup, the Marcinkiewicz 5*W (Endorsee) 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 9
    • Cornet
    Material
    vs
    Mouthpiece B
      Marcinkiewicz 5*W (Endorsee)
      • Cornet
      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 9 details Marcinkiewicz 5*W (Endorsee) details Bach 9 equivalents Marcinkiewicz 5*W (Endorsee) equivalents