Bach 7A Flugel vs Bob Reeves 43W/FE
The Bob Reeves 43W/FE has a wider cup diameter, the Bach 7A Flugel features a deeper cup.
Mouthpiece A
Bach 7A Flugel
• Flugelhorn
Cup diameter16.20 mm
Cup depthVery deep
Rim width—
Throat diameter3.99 mm
Backbore—
Finish—
Material—
Best suited for
High-volume projection — open throat for power
vs
Mouthpiece B
Bob Reeves 43W/FE
• Flugelhorn
Cup diameter17.07 mm
Cup depthMedium
Rim width—
Throat diameter—
Backbore—
Finish—
Material—
Cup Diameter
The Bob Reeves 43W/FE has a cup diameter of 17.07 mm compared to 16.20 mm on the Bach 7A Flugel — a difference of +0.87 mm. A wider cup generally produces a fuller, darker tone but requires more air support.
Cup Depth
The Bach 7A Flugel has a very deep cup while the Bob Reeves 43W/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.