Which has a bigger cup — Bach 8½A or Giardinelli 3C?

The Giardinelli 3C has a cup diameter of 17.00 mm / 0.6693 in compared to 16.10 mm / 0.6339 in on the Bach 8½A — a difference of 0.90 mm / 0.0354 in. A wider cup generally produces a fuller, darker tone but requires more air support.

How does cup depth compare between Bach 8½A and Giardinelli 3C?

The Bach 8½A has a very deep cup while the Giardinelli 3C has a deep cup. Deeper cups favor a darker, richer sound; shallower cups provide more brightness and easier upper register.

Bach 8½A vs Giardinelli 3C

Name: Giardinelli 3C
Brand: Giardinelli

The Giardinelli 3C has a wider cup diameter, the Bach 8½A 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 8½A

• 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.