Bach 10½C Flugel vs Bach 5B Flugel
The Bach 5B Flugel has a wider cup diameter, the Bach 5B Flugel features a deeper cup.
How deep the cup is, from shallow (brighter, easier high register) to deep (darker, fuller sound).
Mouthpiece A
Bach 10½C Flugel
• Flugelhorn
Cup depthMedium
Best suited for
High-volume projection — open throat for power
vs
Mouthpiece B
Bach 5B Flugel
• Flugelhorn
Cup depthDeep
Best suited for
High-volume projection — open throat for power
Cup Depth
The Bach 5B Flugel has a deep cup while the Bach 10½C Flugel has a medium 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.