Bob Reeves 43/FE vs Denis Wick 4F
The Bob Reeves 43/FE has a wider cup diameter, the Denis Wick 4F features a deeper cup.
Mouthpiece A
Bob Reeves 43/FE
• Flugelhorn
Cup diameter17.07 mm
Cup depthMedium
Rim width—
Throat diameter—
Backbore—
Finish—
Material—
vs
Mouthpiece B
Denis Wick 4F
• Flugelhorn
Cup diameter16.50 mm
Cup depthVery deep
Rim width5.17 mm
Throat diameter4.58 mm
Backboreopen
Finish—
Material—
Best suited for
High-volume projection — open throat for power
Cup Diameter
The Bob Reeves 43/FE has a cup diameter of 17.07 mm compared to 16.50 mm on the Denis Wick 4F — a difference of +0.57 mm. A wider cup generally produces a fuller, darker tone but requires more air support.
Cup Depth
The Denis Wick 4F has a very deep cup while the Bob Reeves 43/FE has a medium cup. Deeper cups favor a darker, richer sound; shallower cups provide more brightness and easier upper register.
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.