Which has a bigger cup — Giardinelli 2GM or Giardinelli 3D?

The Giardinelli 2GM has a cup diameter of 26.50 mm / 1.0433 in compared to 26.30 mm / 1.0354 in on the Giardinelli 3D — a difference of 0.20 mm / 0.0079 in. A wider cup generally produces a fuller, darker tone but requires more air support.

How does cup depth compare between Giardinelli 2GM and Giardinelli 3D?

Both mouthpieces share a deep cup depth, so the sound character from depth alone will be very similar.

Giardinelli 2GM vs Giardinelli 3D

Name: Giardinelli 3D
Brand: Giardinelli

The Giardinelli 2GM has a wider cup diameter, the Giardinelli 2GM has a larger throat opening.

Overall Comparison Cup Diameter Cup Depth Rim Width Throat Diameter Backbore Finish Material

The narrowest point at the bottom of the cup. Affects resistance, volume, and tone color.

Mouthpiece A

Giardinelli 2GM

• Trombone

Throat diameter6.75 mm / 0.2657 in

Best suited for

🎻Orchestral playing — large cup for full, dark tone

📣High-volume projection — open throat for power

Mouthpiece B

Giardinelli 3D

• Trombone

Throat diameter6.40 mm / 0.2520 in

Best suited for

🎻Orchestral playing — large cup for full, dark tone

📣High-volume projection — open throat for power

Throat Diameter

The Giardinelli 2GM has a wider throat (6.75 mm / 0.2657 in vs 6.40 mm / 0.2520 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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Giardinelli 2GM vs Giardinelli 3D

Throat Diameter

Playing Characteristics

What Do These Model Names Mean?

What Changes If You Switch?

Which is better?

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