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Giardinelli 2GM vs Schilke 45B

The Giardinelli 2GM has a wider cup diameter, the Giardinelli 2GM features a deeper cup, the Giardinelli 2GM 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 2GM
    • Trombone
    Cup diameter26.50 mm / 1.0433 in
    Best suited for
    🎻Orchestral playing — large cup for full, dark tone
    📣High-volume projection — open throat for power
    vs
    Mouthpiece B
      Schilke 45B
      • Trombone
      Cup diameter24.30 mm / 0.9567 in
      Best suited for
      📣High-volume projection — open throat for power

      Cup Diameter

      The Giardinelli 2GM has a cup diameter of 26.50 mm / 1.0433 in compared to 24.30 mm / 0.9567 in on the Schilke 45B — a difference of 2.20 mm / 0.0866 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 2GM details Schilke 45B details Giardinelli 2GM equivalents Schilke 45B equivalents

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