Marcinkiewicz CH BS FL vs Schilke 20F

The Schilke 20F has a wider cup diameter, the Schilke 20F features a deeper cup, the Marcinkiewicz CH BS FL 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
    Marcinkiewicz CH BS FL
    • Flugelhorn
    Throat diameter4.39 mm / 0.1728 in
    Best suited for
    📣High-volume projection — open throat for power
    vs
    Mouthpiece B
      Schilke 20F
      • Flugelhorn
      Throat diameter3.86 mm / 0.1520 in
      Best suited for
      📣High-volume projection — open throat for power

      Throat Diameter

      The Marcinkiewicz CH BS FL has a wider throat (4.39 mm / 0.1728 in vs 3.86 mm / 0.1520 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 Marcinkiewicz CH BS FL details Schilke 20F details Marcinkiewicz CH BS FL equivalents Schilke 20F equivalents