Denis Wick RW3FL vs Marcinkiewicz CH BSC FL
The Denis Wick RW3FL has a wider cup diameter, the Denis Wick RW3FL features a deeper cup, the Denis Wick RW3FL has a larger throat opening.
The internal diameter of the cup, measured at the widest point inside the rim.
Mouthpiece A
Denis Wick RW3FL
• Flugelhorn
Cup diameter16.75 mm / 0.6594 in
Best suited for
High-volume projection — open throat for power
vs
Mouthpiece B
Marcinkiewicz CH BSC FL
• Flugelhorn
Cup diameter16.74 mm / 0.6591 in
Best suited for
High-volume projection — open throat for power
Cup Diameter
The Denis Wick RW3FL has a cup diameter of 16.75 mm / 0.6594 in compared to 16.74 mm / 0.6591 in on the Marcinkiewicz CH BSC FL — a difference of 0.01 mm / 0.0004 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.