Conn Imp. Precision 2 vs Kelly 3C
The Kelly 3C has a wider cup diameter, the Conn Imp. Precision 2 features a deeper cup.
Base metal or construction (e.g. brass, stainless steel, plastic). Influences weight, response, and tone color.
Mouthpiece A
Conn Imp. Precision 2
• Cornet
GeneralMaterialSilver-plated brass
Best suited for
Players wanting volume; narrower rim than Model 1
Plenty of volume; big tone
vs
Mouthpiece B
Kelly 3C
• Cornet
GeneralMaterialLexan polycarbonate
Best suited for
Orchestral playing — large cup for full, dark tone
High-volume projection — open throat for power
All-purpose mid-range
Material
The Conn Imp. Precision 2 is described as Silver-plated brass, and the Kelly 3C as Lexan polycarbonate. Material affects mass, warmth, and how quickly the piece responds.
Which is better?
Both mouthpieces are categorized as "General" — the physical dimensions above will determine which suits your embouchure and playing style better.