Denis Wick 2BFL vs GR Technologies 63.5FD
The Denis Wick 2BFL has a wider cup diameter.
Mouthpiece A
Denis Wick 2BFL
• Flugelhorn
Cup diameter17.00 mm / 0.6693 in
Cup depthDeep
Rim width4.92 mm / 0.1937 in
Throat diameter4.58 mm / 0.1803 in
Backboreopen
Finish—
Material—
Best suited for
Orchestral playing — large cup for full, dark tone
High-volume projection — open throat for power
vs
Mouthpiece B
GR Technologies 63.5FD
• Flugelhorn
Cup diameter16.13 mm / 0.6350 in
Cup depthDeep
Rim width—
Throat diameter—
Backbore—
Finish—
Material—
Cup Diameter
The Denis Wick 2BFL has a cup diameter of 17.00 mm / 0.6693 in compared to 16.13 mm / 0.6350 in on the GR Technologies 63.5FD — a difference of 0.87 mm / 0.0343 in. A wider cup generally produces a fuller, darker tone but requires more air support.
Cup Depth
Both mouthpieces share a 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.