Which has a bigger cup — Bob Reeves 41/S/2 or Conn Precision 6?

The Conn Precision 6 has a cup diameter of 16.41 mm / 0.6461 in compared to 16.27 mm / 0.6406 in on the Bob Reeves 41/S/2 — a difference of 0.14 mm / 0.0055 in. A wider cup generally produces a fuller, darker tone but requires more air support.

How does cup depth compare between Bob Reeves 41/S/2 and Conn Precision 6?

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

Bob Reeves 41/S/2 vs Conn Precision 6

Name: Conn Precision 6
Brand: Conn

The Conn Precision 6 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 41/S/2

• Cornet

Backbore2

Mouthpiece B

Conn Precision 6

• Cornet

Lead

Backbore—

Best suited for

📋Professional lead players

🎶Recommended for professionals; small throat

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.