Which has a bigger cup — Bach 8½A or Giardinelli 6V?

The Giardinelli 6V has a cup diameter of 16.70 mm / 0.6575 in compared to 16.10 mm / 0.6339 in on the Bach 8½A — a difference of 0.60 mm / 0.0236 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 6V?

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

Bach 8½A vs Giardinelli 6V

Name: Giardinelli 6V
Brand: Giardinelli

The Giardinelli 6V 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

Bach 8½A

• Cornet

Backbore—

Mouthpiece B

Giardinelli 6V

• 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.