Marcinkiewicz 8H-S vs Schilke 51D

The Marcinkiewicz 8H-S has a wider cup diameter, the Schilke 51D features a deeper cup, the Schilke 51D has a larger throat opening.

Overall Comparison Cup Diameter Cup Depth Rim Width Throat Diameter Backbore Finish Material
The internal diameter of the cup, measured at the widest point inside the rim.
Mouthpiece A
    Marcinkiewicz 8H-S
    • Trombone
    Cup diameter26.06 mm / 1.0260 in
    Best suited for
    📣High-volume projection — open throat for power
    vs
    Mouthpiece B
      Schilke 51D
      • Trombone
      Cup diameter25.55 mm / 1.0059 in
      Best suited for
      📣High-volume projection — open throat for power

      Cup Diameter

      The Marcinkiewicz 8H-S has a cup diameter of 26.06 mm / 1.0260 in compared to 25.55 mm / 1.0059 in on the Schilke 51D — a difference of 0.51 mm / 0.0201 in. A wider cup generally produces a fuller, darker tone but requires more air support.

      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 8H-S details Schilke 51D details Marcinkiewicz 8H-S equivalents Schilke 51D equivalents