Which has a bigger cup — Bach 12C or Giardinelli 2G?

The Giardinelli 2G has a cup diameter of 26.50 mm / 1.0433 in compared to 24.50 mm / 0.9646 in on the Bach 12C — a difference of 2.00 mm / 0.0787 in. A wider cup generally produces a fuller, darker tone but requires more air support.

How does cup depth compare between Bach 12C and Giardinelli 2G?

The Giardinelli 2G has a very deep cup while the Bach 12C has a shallow cup. Deeper cups favor a darker, richer sound; shallower cups provide more brightness and easier upper register.

Bach 12C vs Giardinelli 2G

Name: Giardinelli 2G
Brand: Giardinelli

The Giardinelli 2G 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

The width of the rim surface that contacts the lips. Wider rims improve endurance; narrower rims improve flexibility.

Mouthpiece A

Bach 12C

• Trombone

Rim width—

Best suited for

📣High-volume projection — open throat for power

Mouthpiece B

Giardinelli 2G

• Trombone

Rim width—

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.

Open in interactive tool + Add third mouthpiece Bach 12C details Giardinelli 2G details Bach 12C equivalents Giardinelli 2G equivalents

Bach 12C vs Giardinelli 2G

Playing Characteristics

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Which is better?

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