Denis Wick RW3FL vs Giardinelli 12FL
The Denis Wick RW3FL has a wider cup diameter.
Mouthpiece A
Denis Wick RW3FL
• Flugelhorn
Cup diameter16.75 mm / 0.6594 in
Cup depthVery deep
Rim width6.05 mm / 0.2382 in
Throat diameter4.58 mm / 0.1803 in
Backboreopen
Finish—
Material—
Best suited for
High-volume projection — open throat for power
vs
Mouthpiece B
Giardinelli 12FL
• Flugelhorn
Cup diameter15.50 mm / 0.6102 in
Cup depthVery deep
Rim width—
Throat diameter—
Backbore—
Finish—
Material—
Cup Diameter
The Denis Wick RW3FL has a cup diameter of 16.75 mm / 0.6594 in compared to 15.50 mm / 0.6102 in on the Giardinelli 12FL — a difference of 1.25 mm / 0.0492 in. A wider cup generally produces a fuller, darker tone but requires more air support.
Cup Depth
Both mouthpieces share a very deep cup depth, so the sound character from depth alone will be very similar.
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.