Which has a bigger cup — Bob Reeves 41/S/692 or Conn Imp. Precision 6?

The Conn Imp. 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/692 — 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/692 and Conn Imp. Precision 6?

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

Bob Reeves 41/S/692 vs Conn Imp. Precision 6

Name: Conn Imp. Precision 6
Brand: Conn

The Conn Imp. Precision 6 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

Bob Reeves 41/S/692

• Cornet

Rim width—

Mouthpiece B

Conn Imp. Precision 6

• Cornet

Lead

Rim width—

Best suited for

📋Professional players

🎶Professional lead; small throat; narrow rim

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.

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Bob Reeves 41/S/692 vs Conn Imp. Precision 6

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