Bruno Tilz 306-5 GS vs Conn Precision 3A
the Conn Precision 3A features a deeper cup.
The width of the rim surface that contacts the lips. Wider rims improve endurance; narrower rims improve flexibility.
Mouthpiece A
Bruno Tilz 306-5 GS
• Trombone
CatalogRim width—
Best suited for
High-volume projection — open throat for power
vs
Mouthpiece B
Conn Precision 3A
• Trombone
GeneralRim width—
Best suited for
General trombone use
Good round tone in all registers; all-around
Which is better?
The Bruno Tilz 306-5 GS is designed for catalog playing, while the Conn Precision 3A targets general use. Your best choice depends on your musical context.