Which has a bigger cup — Bob Reeves 40/D/2 or Monette Cornet B2 FL?

The Monette Cornet B2 FL has a cup diameter of 17.00 mm / 0.6693 in compared to 15.88 mm / 0.6252 in on the Bob Reeves 40/D/2 — a difference of 1.12 mm / 0.0441 in. A wider cup generally produces a fuller, darker tone but requires more air support.

How does cup depth compare between Bob Reeves 40/D/2 and Monette Cornet B2 FL?

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

Bob Reeves 40/D/2 vs Monette Cornet B2 FL

Name: Monette Cornet B2 FL
Brand: Monette

The Monette Cornet B2 FL 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/D/2

• Cornet

Backbore2

Mouthpiece B

Monette Cornet B2 FL

• Cornet

Backbore—

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.