Which has a bigger cup — Bob Reeves 41/S/s 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/s — 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/s 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/s 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 narrowest point at the bottom of the cup. Affects resistance, volume, and tone color.

Mouthpiece A

Bob Reeves 41/S/s

• Cornet

Throat diameter—

Mouthpiece B

Conn Imp. Precision 6

• Cornet

Lead

Throat diameter—

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/s vs Conn Imp. Precision 6

Playing Characteristics

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