Bruno Tilz 305-5 S vs Bruno Tilz 305-D 5
The Bruno Tilz 305-D 5 has a wider cup diameter, the Bruno Tilz 305-D 5 features a deeper cup, the Bruno Tilz 305-D 5 has a larger throat opening.
The width of the rim surface that contacts the lips. Wider rims improve endurance; narrower rims improve flexibility.
Mouthpiece A
Bruno Tilz 305-5 S
• Trombone
CatalogRim width—
Best suited for
High-volume projection — open throat for power
vs
Mouthpiece B
Bruno Tilz 305-D 5
• Trombone
CatalogRim width—
Best suited for
High-volume projection — open throat for power
Which is better?
Both mouthpieces are categorized as "Catalog" — the physical dimensions above will determine which suits your embouchure and playing style better.