Bob Reeves 43N/F vs Schilke 20F
The Schilke 20F has a wider cup diameter.
Mouthpiece A
Bob Reeves 43N/F
• Flugelhorn
Cup diameter17.07 mm / 0.6720 in
Cup depthMedium
Rim width—
Throat diameter—
Backbore—
Finish—
Material—
vs
Mouthpiece B
Schilke 20F
• Flugelhorn
Cup diameter17.78 mm / 0.7000 in
Cup depthMedium
Rim width—
Throat diameter3.86 mm / 0.1520 in
Backbore24 .1520"
Finish—
Material—
Best suited for
High-volume projection — open throat for power
Cup Diameter
The Schilke 20F has a cup diameter of 17.78 mm / 0.7000 in compared to 17.07 mm / 0.6720 in on the Bob Reeves 43N/F — a difference of 0.71 mm / 0.0280 in. A wider cup generally produces a fuller, darker tone but requires more air support.
Cup Depth
Both mouthpieces share a medium 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.