Home › Trombone › Giardinelli 3G vs Yamaha SL-48S-GP

Giardinelli 3G vs Yamaha SL-48S-GP

The Giardinelli 3G has a wider cup diameter, the Giardinelli 3G features a deeper cup, the Giardinelli 3G 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 3G
    • Trombone
    Cup diameter26.00 mm / 1.0236 in
    Best suited for
    🎻Orchestral playing — large cup for full, dark tone
    📣High-volume projection — open throat for power
    vs
    Mouthpiece B
      Yamaha SL-48S-GP
      • Trombone
      Cup diameter25.25 mm / 0.9941 in
      Best suited for
      📣High-volume projection — open throat for power

      Cup Diameter

      The Giardinelli 3G has a cup diameter of 26.00 mm / 1.0236 in compared to 25.25 mm / 0.9941 in on the Yamaha SL-48S-GP — a difference of 0.75 mm / 0.0295 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 3G details Yamaha SL-48S-GP details Giardinelli 3G equivalents Yamaha SL-48S-GP equivalents

      Compare Giardinelli 3G with others

      Compare Yamaha SL-48S-GP with others

      Popular Trombone comparisons

      Giardinelli vs Yamaha

      Browse by specification