Which has a bigger cup — Giardinelli 3GM or Giardinelli Sym. T?

The Giardinelli 3GM has a cup diameter of 26.00 mm / 1.0236 in compared to 25.80 mm / 1.0157 in on the Giardinelli Sym. T — 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 3GM and Giardinelli Sym. T?

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

Giardinelli 3GM vs Giardinelli Sym. T

Name: Giardinelli Sym. T
Brand: Giardinelli

The Giardinelli 3GM has a wider cup diameter, the Giardinelli 3GM has a larger throat opening.

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

Base metal or construction (e.g. brass, stainless steel, plastic). Influences weight, response, and tone color.

Mouthpiece A

Giardinelli 3GM

• Trombone

Material—

Best suited for

🎻Orchestral playing — large cup for full, dark tone

📣High-volume projection — open throat for power

Mouthpiece B

Giardinelli Sym. T

• Trombone

Material—

Best suited for

🎻Orchestral playing — large cup for full, dark tone

📣High-volume projection — open throat for power

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 3GM vs Giardinelli Sym. T

Playing Characteristics

What Do These Model Names Mean?

What Changes If You Switch?

Which is better?

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