Bruno Tilz 213- D 2 vs Bruno Tilz 304- B 2
the Bruno Tilz 213- D 2 features a deeper cup.
How deep the cup is, from shallow (brighter, easier high register) to deep (darker, fuller sound).
Mouthpiece A
Bruno Tilz 213- D 2
• Baritone / Euphonium
CatalogCup depthMedium
Best suited for
High-volume projection — open throat for power
vs
Mouthpiece B
Bruno Tilz 304- B 2
• Baritone / Euphonium
CatalogCup depthShallow
Best suited for
High-volume projection — open throat for power
Cup Depth
The Bruno Tilz 213- D 2 has a medium cup while the Bruno Tilz 304- B 2 has a shallow cup. Deeper cups favor a darker, richer sound; shallower cups provide more brightness and easier upper register.
Which is better?
Both mouthpieces are categorized as "Catalog" — the physical dimensions above will determine which suits your embouchure and playing style better.