Bruno Tilz 210-S 4 E vs GR Technologies G66FD Radtke
The GR Technologies G66FD Radtke has a wider cup diameter, the GR Technologies G66FD Radtke features a deeper cup.
How deep the cup is, from shallow (brighter, easier high register) to deep (darker, fuller sound).
Mouthpiece A
Bruno Tilz 210-S 4 E
• Flugelhorn
CatalogCup depthShallow
Best suited for
Screamer / high notes — tight throat with shallow cup
vs
Mouthpiece B
GR Technologies G66FD Radtke
• Flugelhorn
Cup depthDeep
Cup Depth
The GR Technologies G66FD Radtke has a deep cup while the Bruno Tilz 210-S 4 E has a shallow cup. Deeper cups favor a darker, richer sound; shallower cups provide more brightness and easier upper register.
Which is better?
Neither mouthpiece clearly dominates the other — the right choice depends on your embouchure, playing style, and the sound you're after. Try both if possible.