Which has a bigger cup — Bob Reeves 40/M/X or Giardinelli 10VM?

The Giardinelli 10VM has a cup diameter of 16.00 mm / 0.6299 in compared to 15.88 mm / 0.6252 in on the Bob Reeves 40/M/X — 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/M/X and Giardinelli 10VM?

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

Bob Reeves 40/M/X vs Giardinelli 10VM

Name: Giardinelli 10VM
Brand: Giardinelli

The Giardinelli 10VM 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/M/X

• Cornet

BackboreX

Mouthpiece B

Giardinelli 10VM

• Cornet

Backbore—

Best suited for

🎵All-round versatile — balanced cup for general playing

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.