Conn Imp. Precision 1 vs Conn Imp. Precision 3
Both mouthpieces share similar core dimensions — the differences are in the details.
Base metal or construction (e.g. brass, stainless steel, plastic). Influences weight, response, and tone color.
Mouthpiece A
Conn Imp. Precision 1
• Trombone
OrchestralMaterialSilver-plated brass
Best suited for
Large bore trombones; symphony
Good clear tone; large bore symphonic
vs
Mouthpiece B
Conn Imp. Precision 3
• Trombone
GeneralMaterialSilver-plated brass
Best suited for
Large lips; all band work
Full round tone
Material
Both mouthpieces share the same listed material (Silver-plated brass).
Which is better?
The Conn Imp. Precision 1 is designed for orchestral playing, while the Conn Imp. Precision 3 targets general use. Your best choice depends on your musical context.