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Giardinelli 6M vs Schilke 45

The Giardinelli 6M has a wider cup diameter, the Schilke 45 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
    Giardinelli 6M
    • Trombone
    Cup diameter24.50 mm / 0.9646 in
    Best suited for
    📣High-volume projection — open throat for power
    vs
    Mouthpiece B
      Schilke 45
      • Trombone
      Cup diameter24.38 mm / 0.9598 in
      Best suited for
      📣High-volume projection — open throat for power

      Cup Diameter

      The Giardinelli 6M has a cup diameter of 24.50 mm / 0.9646 in compared to 24.38 mm / 0.9598 in on the Schilke 45 — a difference of 0.12 mm / 0.0047 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 Giardinelli 6M details Schilke 45 details Giardinelli 6M equivalents Schilke 45 equivalents

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