Bach 1¼G vs Conn Imp. Precision 4
the Conn Imp. Precision 4 features a deeper cup.
Surface plating or treatment (e.g. silver plate, gold trim). Affects feel, durability, and appearance.
Mouthpiece A
Bach 1¼G
• Trombone
Finish—
Best suited for
Orchestral playing — large cup for full, dark tone
High-volume projection — open throat for power
vs
Mouthpiece B
Conn Imp. Precision 4
• Trombone
OrchestralFinish—
Best suited for
Bass trombone / large bore tenor
Full rich deep tone
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.