Denis Wick 4F vs Marcinkiewicz BS FL
The Marcinkiewicz BS FL has a wider cup diameter, the Denis Wick 4F features a deeper cup, the Denis Wick 4F has a larger throat opening.
The taper behind the throat leading to the shank. Affects projection and tone character.
Mouthpiece A
Denis Wick 4F
• Flugelhorn
Backboreopen
Best suited for
High-volume projection — open throat for power
vs
Mouthpiece B
Marcinkiewicz BS FL
• Flugelhorn
Backbore—
Best suited for
High-volume projection — open throat for power
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.