Which has a bigger cup — Giardinelli 12C or Giardinelli 17C?

The Giardinelli 12C has a cup diameter of 15.50 mm / 0.6102 in compared to 15.00 mm / 0.5906 in on the Giardinelli 17C — a difference of 0.50 mm / 0.0197 in. A wider cup generally produces a fuller, darker tone but requires more air support.

How does cup depth compare between Giardinelli 12C and Giardinelli 17C?

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

Giardinelli 12C vs Giardinelli 17C

Name: Giardinelli 17C
Brand: Giardinelli

The Giardinelli 12C has a wider cup diameter.

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

The taper behind the throat leading to the shank. Affects projection and tone character.

Mouthpiece A

Giardinelli 12C

• Cornet

Backbore—

Mouthpiece B

Giardinelli 17C

• Cornet

Backbore—

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.