Bruno Tilz 306-5 GS vs Conn Imp. Precision 2
the Conn Imp. Precision 2 features a deeper cup.
The internal diameter of the cup, measured at the widest point inside the rim.
Mouthpiece A
Bruno Tilz 306-5 GS
• Trombone
CatalogCup diameter26.00 mm / 1.0236 in
Best suited for
High-volume projection — open throat for power
vs
Mouthpiece B
Conn Imp. Precision 2
• Trombone
LeadCup diameter—
Best suited for
Solo; high register
Big bright tone; excellent solo
Which is better?
The Bruno Tilz 306-5 GS is designed for catalog playing, while the Conn Imp. Precision 2 targets lead use. Your best choice depends on your musical context.