Denis Wick 4F vs Denis Wick 5BFL
The Denis Wick 4F has a wider cup diameter, the Denis Wick 4F features a deeper cup, the Denis Wick 4F has a larger throat opening.
The narrowest point at the bottom of the cup. Affects resistance, volume, and tone color.
Mouthpiece A
Denis Wick 4F
• Flugelhorn
Throat diameter4.58 mm / 0.1803 in
Best suited for
High-volume projection — open throat for power
vs
Mouthpiece B
Denis Wick 5BFL
• Flugelhorn
Throat diameter4.45 mm / 0.1752 in
Best suited for
High-volume projection — open throat for power
Throat Diameter
The Denis Wick 4F has a wider throat (4.58 mm / 0.1803 in vs 4.45 mm / 0.1752 in). A wider throat allows more air through, increasing volume and projection but reducing resistance.
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.