Denis Wick SFL vs GR Technologies 67FD
The GR Technologies 67FD has a wider cup diameter, the GR Technologies 67FD features a deeper cup.
How deep the cup is, from shallow (brighter, easier high register) to deep (darker, fuller sound).
Mouthpiece A
Denis Wick SFL
• Flugelhorn
Cup depthMedium
Best suited for
All-round versatile — balanced cup for general playing
High-volume projection — open throat for power
vs
Mouthpiece B
GR Technologies 67FD
• Flugelhorn
Cup depthDeep
Best suited for
Orchestral playing — large cup for full, dark tone
Cup Depth
The GR Technologies 67FD has a deep cup while the Denis Wick SFL 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.