Denis Wick 4FL vs Marcinkiewicz 3FLD
The Marcinkiewicz 3FLD has a wider cup diameter, the Denis Wick 4FL features a deeper cup, the Denis Wick 4FL has a larger throat opening.
How deep the cup is, from shallow (brighter, easier high register) to deep (darker, fuller sound).
Mouthpiece A
Denis Wick 4FL
• Flugelhorn
Cup depthVery deep
Best suited for
High-volume projection — open throat for power
vs
Mouthpiece B
Marcinkiewicz 3FLD
• Flugelhorn
Cup depthMedium
Best suited for
High-volume projection — open throat for power
Cup Depth
The Denis Wick 4FL has a very deep cup while the Marcinkiewicz 3FLD 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.