Denis Wick 4F vs Yamaha FH-14F4
The Yamaha FH-14F4 has a wider cup diameter, the Denis Wick 4F features a deeper cup, the Denis Wick 4F has a larger throat opening.
The internal diameter of the cup, measured at the widest point inside the rim.
Mouthpiece A
Denis Wick 4F
• Flugelhorn
Cup diameter16.50 mm / 0.6496 in
Best suited for
High-volume projection — open throat for power
vs
Mouthpiece B
Yamaha FH-14F4
• Flugelhorn
Cup diameter16.76 mm / 0.6598 in
Best suited for
High-volume projection — open throat for power
Cup Diameter
The Yamaha FH-14F4 has a cup diameter of 16.76 mm / 0.6598 in compared to 16.50 mm / 0.6496 in on the Denis Wick 4F — a difference of 0.26 mm / 0.0102 in. A wider cup generally produces a fuller, darker tone but requires more air support.
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.