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

Mouthpiece A

Bach 8½A

• Cornet

Rim width—

Mouthpiece B

Giardinelli 6V

• Cornet

Rim width—

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.