Marcinkiewicz 8H-S vs Schilke 51

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

Overall Comparison Cup Diameter Cup Depth Rim Width Throat Diameter Backbore Finish Material
Mouthpiece A
    Marcinkiewicz 8H-S
    • Trombone
    Cup diameter26.06 mm / 1.0260 in
    Cup depthShallow
    Rim width
    Throat diameter6.76 mm / 0.2661 in
    Backbore
    Finish
    Material
    Best suited for
    📣High-volume projection — open throat for power
    vs
    Mouthpiece B
      Schilke 51
      • Trombone
      Cup diameter25.63 mm / 1.0091 in
      Cup depthMedium
      Rim width
      Throat diameter7.04 mm / 0.2772 in
      BackboreJ .277"
      Finish
      Material
      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 25.63 mm / 1.0091 in on the Schilke 51 — a difference of 0.43 mm / 0.0169 in. A wider cup generally produces a fuller, darker tone but requires more air support.

      Cup Depth

      The Schilke 51 has a medium cup while the Marcinkiewicz 8H-S has a shallow cup. Deeper cups favor a darker, richer sound; shallower cups provide more brightness and easier upper register.

      Throat Diameter

      The Schilke 51 has a wider throat (7.04 mm / 0.2772 in vs 6.76 mm / 0.2661 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.

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