Marcinkiewicz 307 vs Marcinkiewicz 309

Both mouthpieces share similar core dimensions — the differences are in the details.

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
    Marcinkiewicz 307
    • Cornet
    Material
    vs
    Mouthpiece B
      Marcinkiewicz 309
      • Cornet
      Material

      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 Marcinkiewicz 307 details Marcinkiewicz 309 details Marcinkiewicz 307 equivalents Marcinkiewicz 309 equivalents