Conn Imp. Precision 3A vs Conn Precision 1
the Conn Precision 1 features a deeper cup.
The narrowest point at the bottom of the cup. Affects resistance, volume, and tone color.
Mouthpiece A
Conn Imp. Precision 3A
• Trombone
GeneralThroat diameter—
Best suited for
General trombone
Good round tone all-around
vs
Mouthpiece B
Conn Precision 1
• Trombone
OrchestralThroat diameter—
Best suited for
Large bore trombones; symphony work
Good clear tone; large bore symphonic
Which is better?
The Conn Imp. Precision 3A is designed for general playing, while the Conn Precision 1 targets orchestral use. Your best choice depends on your musical context.