Which has a bigger cup — Bach 1½C or Giardinelli 3C?

Both mouthpieces have virtually identical cup diameters at 17.00 mm / 0.6693 in.

How does cup depth compare between Bach 1½C and Giardinelli 3C?

The Giardinelli 3C has a deep cup while the Bach 1½C has a medium cup. Deeper cups favor a darker, richer sound; shallower cups provide more brightness and easier upper register.

Bach 1½C vs Giardinelli 3C

Name: Giardinelli 3C
Brand: Giardinelli

the Giardinelli 3C features a deeper cup.

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

Bach 1½C

• Cornet

Throat diameter3.66 mm / 0.1441 in

Mouthpiece B

Giardinelli 3C

• Cornet

Throat diameter—

Best suited for

🎻Orchestral playing — large cup for full, dark tone

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.