Giardinelli 1GM vs Giardinelli 2G

The Giardinelli 1GM has a wider cup diameter, the Giardinelli 2G features a deeper cup, the Giardinelli 2G has a larger throat opening.

Overall Comparison Cup Diameter Cup Depth Rim Width Throat Diameter Backbore Finish Material
Mouthpiece A
    Giardinelli 1GM
    • Trombone
    Cup diameter27.00 mm / 1.0630 in
    Cup depthDeep
    Rim width
    Throat diameter6.75 mm / 0.2657 in
    Backbore17/64 (.265)"
    Finish
    Material
    Best suited for
    🎻Orchestral playing — large cup for full, dark tone
    📣High-volume projection — open throat for power
    vs
    Mouthpiece B
      Giardinelli 2G
      • Trombone
      Cup diameter26.50 mm / 1.0433 in
      Cup depthVery deep
      Rim width
      Throat diameter7.15 mm / 0.2815 in
      Backbore9/32 (.281)"
      Finish
      Material
      Best suited for
      🎻Orchestral playing — large cup for full, dark tone
      📣High-volume projection — open throat for power

      Cup Diameter

      The Giardinelli 1GM has a cup diameter of 27.00 mm / 1.0630 in compared to 26.50 mm / 1.0433 in on the Giardinelli 2G — a difference of 0.50 mm / 0.0197 in. A wider cup generally produces a fuller, darker tone but requires more air support.

      Cup Depth

      The Giardinelli 2G has a very deep cup while the Giardinelli 1GM has a deep cup. Deeper cups favor a darker, richer sound; shallower cups provide more brightness and easier upper register.

      Throat Diameter

      The Giardinelli 2G has a wider throat (7.15 mm / 0.2815 in vs 6.75 mm / 0.2657 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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