Bruno Tilz 306-5 GS vs Conn Precision 3A
the Conn Precision 3A features a deeper cup.
How deep the cup is, from shallow (brighter, easier high register) to deep (darker, fuller sound).
Mouthpiece A
Bruno Tilz 306-5 GS
• Trombone
CatalogCup depthMedium
Best suited for
High-volume projection — open throat for power
vs
Mouthpiece B
Conn Precision 3A
• Trombone
GeneralCup depth
Best suited for
General trombone use
Good round tone in all registers; all-around
Cup Depth
The Conn Precision 3A has a — cup while the Bruno Tilz 306-5 GS has a medium cup. Deeper cups favor a darker, richer sound; shallower cups provide more brightness and easier upper register.
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.