Bruno Tilz 305-D 5 vs Conn Precision 4
the Conn Precision 4 features a deeper cup.
The taper behind the throat leading to the shank. Affects projection and tone character.
Mouthpiece A
Bruno Tilz 305-D 5
• Trombone
CatalogBackbore—
Best suited for
High-volume projection — open throat for power
vs
Mouthpiece B
Conn Precision 4
• Trombone
OrchestralBackbore—
Best suited for
Bass trombone
Full rich deep tone quality
Which is better?
The Bruno Tilz 305-D 5 is designed for catalog playing, while the Conn Precision 4 targets orchestral use. Your best choice depends on your musical context.