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Schilke 50C4 vs Schilke 52D

The Schilke 52D has a wider cup diameter, the Schilke 50C4 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
    Schilke 50C4
    • 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
      Schilke 52D
      • Trombone
      Cup diameter25.78 mm / 1.0150 in
      Best suited for
      🎻Orchestral playing — large cup for full, dark tone
      📣High-volume projection — open throat for power

      Cup Diameter

      The Schilke 52D has a cup diameter of 25.78 mm / 1.0150 in compared to 25.40 mm / 1.0000 in on the Schilke 50C4 — a difference of 0.38 mm / 0.0150 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 Schilke 50C4 details Schilke 52D details Schilke 50C4 equivalents Schilke 52D equivalents

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