Bob Reeves 43N/S/69 vs Conn Imp. Precision 5
Both mouthpieces share similar core dimensions — the differences are in the details.
Mouthpiece A
Bob Reeves 43N/S/69
• Cornet
Cup diameter17.07 mm / 0.6720 in
Cup depthShallow
Rim width—
Throat diameter—
Backbore69
Finish—
Material—
vs
Mouthpiece B
Conn Imp. Precision 5
• Cornet
LeadCup diameter—
Cup depthShallow
Rim width—
Throat diameter—
Backbore—
Finish—
MaterialSilver-plated brass
Best suited for
Dance band / lead; standard on Conn 6B Victor
Bright tone; excellent in high register
Cup Depth
Both mouthpieces share a shallow cup depth, so the sound character from depth alone will be very similar.
Material
The Bob Reeves 43N/S/69 is described as unspecified, and the Conn Imp. Precision 5 as Silver-plated brass. Material affects mass, warmth, and how quickly the piece responds.
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.