Which has a bigger cup — Bob Reeves 40/B/2 or Giardinelli 10B?

The Giardinelli 10B has a cup diameter of 16.00 mm / 0.6299 in compared to 15.88 mm / 0.6252 in on the Bob Reeves 40/B/2 — a difference of 0.12 mm / 0.0047 in. A wider cup generally produces a fuller, darker tone but requires more air support.

How does cup depth compare between Bob Reeves 40/B/2 and Giardinelli 10B?

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

Bob Reeves 40/B/2 vs Giardinelli 10B

Name: Giardinelli 10B
Brand: Giardinelli

The Giardinelli 10B 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

Bob Reeves 40/B/2

• Cornet

Backbore2

Mouthpiece B

Giardinelli 10B

• 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.