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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
The internal diameter of the cup, measured at the widest point inside the rim.
Mouthpiece A
    Marcinkiewicz 10 BS
    • Trombone
    Cup diameter25.40 mm / 1.0000 in
    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
      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.

      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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