Which has a bigger cup — Bob Reeves 43N/F or Schilke 20F?

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.

How does cup depth compare between Bob Reeves 43N/F and Schilke 20F?

Both mouthpieces share a medium cup depth, so the sound character from depth alone will be very similar.

Bob Reeves 43N/F vs Schilke 20F

Name: Schilke 20F
Brand: Schilke

The Schilke 20F has a wider cup diameter.

Overall Comparison Cup Diameter Cup Depth Rim Width Throat Diameter Backbore Finish Material

Surface plating or treatment (e.g. silver plate, gold trim). Affects feel, durability, and appearance.

Mouthpiece A

Bob Reeves 43N/F

• Flugelhorn

Finish—

Mouthpiece B

Schilke 20F

• Flugelhorn

Finish—

Best suited for

📣High-volume projection — open throat for power

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.