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Marcinkiewicz 305FL vs Marcinkiewicz Claude Gordon Flugel

The Marcinkiewicz Claude Gordon Flugel has a wider cup diameter, the Marcinkiewicz 305FL features a deeper cup, the Marcinkiewicz Claude Gordon Flugel has a larger throat opening.

Overall Comparison Cup Diameter Cup Depth Rim Width Throat Diameter Backbore Finish Material
Mouthpiece A
    Marcinkiewicz 305FL
    • Flugelhorn
    Cup diameter17.20 mm / 0.6772 in
    Cup depthMedium
    Rim width—
    Throat diameter4.32 mm / 0.1701 in
    Backbore—
    Finish—
    Material—
    Best suited for
    📣High-volume projection — open throat for power
    vs
    Mouthpiece B
      Marcinkiewicz Claude Gordon Flugel
      • Flugelhorn
      Cup diameter17.32 mm / 0.6819 in
      Cup depthVery shallow
      Rim width—
      Throat diameter4.57 mm / 0.1799 in
      Backbore—
      Finish—
      Material—
      Best suited for
      📣High-volume projection — open throat for power

      Cup Diameter

      The Marcinkiewicz Claude Gordon Flugel has a cup diameter of 17.32 mm / 0.6819 in compared to 17.20 mm / 0.6772 in on the Marcinkiewicz 305FL — a difference of 0.12 mm / 0.0047 in. A wider cup generally produces a fuller, darker tone but requires more air support.

      Cup Depth

      The Marcinkiewicz 305FL has a medium cup while the Marcinkiewicz Claude Gordon Flugel has a very shallow cup. Deeper cups favor a darker, richer sound; shallower cups provide more brightness and easier upper register.

      Throat Diameter

      The Marcinkiewicz Claude Gordon Flugel has a wider throat (4.57 mm / 0.1799 in vs 4.32 mm / 0.1701 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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      Compare Marcinkiewicz Claude Gordon Flugel with others

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