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Marcinkiewicz 10 BS vs Marcinkiewicz 11 BS

The Marcinkiewicz 10 BS has a wider cup diameter.

Overall Comparison Cup Diameter Cup Depth Rim Width Throat Diameter Backbore Finish Material
Mouthpiece A
    Marcinkiewicz 10 BS
    • Trombone
    Cup diameter25.40 mm / 1.0000 in
    Cup depthDeep
    Rim width—
    Throat diameter5.94 mm / 0.2339 in
    Backbore—
    Finish—
    Material—
    Best suited for
    🎻Orchestral playing — large cup for full, dark tone
    📣High-volume projection — open throat for power
    vs
    Mouthpiece B
      Marcinkiewicz 11 BS
      • Trombone
      Cup diameter25.37 mm / 0.9988 in
      Cup depthDeep
      Rim width—
      Throat diameter5.94 mm / 0.2339 in
      Backbore—
      Finish—
      Material—
      Best suited for
      🎻Orchestral playing — large cup for full, dark tone
      📣High-volume projection — open throat for power

      Cup Diameter

      The Marcinkiewicz 10 BS has a cup diameter of 25.40 mm / 1.0000 in compared to 25.37 mm / 0.9988 in on the Marcinkiewicz 11 BS — a difference of 0.03 mm / 0.0012 in. A wider cup generally produces a fuller, darker tone but requires more air support.

      Cup Depth

      Both mouthpieces share a deep cup depth, so the sound character from depth alone will be very similar.

      Throat Diameter

      Throat diameters are essentially identical at 5.94 mm / 0.2339 in, so resistance feel will be comparable.

      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 10 BS details Marcinkiewicz 11 BS details Marcinkiewicz 10 BS equivalents Marcinkiewicz 11 BS equivalents

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