Bach 1¼G vs Conn Precision 3
the Conn Precision 3 features a deeper cup.
The taper behind the throat leading to the shank. Affects projection and tone character.
Mouthpiece A
Bach 1¼G
• Trombone
Backbore—
Best suited for
Orchestral playing — large cup for full, dark tone
High-volume projection — open throat for power
vs
Mouthpiece B
Conn Precision 3
• Trombone
GeneralBackbore—
Best suited for
Musicians with large lips; all kinds of band work
Full round tone; ideal for large lips
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.