Bob Reeves 40/DF vs Curry 1 FL

The Curry 1 FL has a wider cup diameter, the Bob Reeves 40/DF features a deeper cup.

Overall Comparison Cup Diameter Cup Depth Rim Width Throat Diameter Backbore Finish Material
Mouthpiece A
    Bob Reeves 40/DF
    • Flugelhorn
    Cup diameter15.88 mm / 0.6252 in
    Cup depthDeep
    Rim width
    Throat diameter
    Backbore
    Finish
    Material
    vs
    Mouthpiece B
      Curry 1 FL
      • Flugelhorn
      Cup diameter17.27 mm / 0.6800 in
      Cup depthMedium
      Rim width
      Throat diameter4.01 mm / 0.1580 in
      Backbore
      Finish
      Material
      Best suited for
      📣High-volume projection — open throat for power

      Cup Diameter

      The Curry 1 FL has a cup diameter of 17.27 mm / 0.6800 in compared to 15.88 mm / 0.6252 in on the Bob Reeves 40/DF — a difference of 1.39 mm / 0.0548 in. A wider cup generally produces a fuller, darker tone but requires more air support.

      Cup Depth

      The Bob Reeves 40/DF has a deep cup while the Curry 1 FL 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.

      Open in interactive tool + Add third mouthpiece Bob Reeves 40/DF details Curry 1 FL details Bob Reeves 40/DF equivalents Curry 1 FL equivalents