GR Technologies G66FD Radtke vs Schilke 20F

The Schilke 20F has a wider cup diameter, the GR Technologies G66FD Radtke features a deeper cup.

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
    GR Technologies G66FD Radtke
    • Flugelhorn
    Finish
    vs
    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.

      Open in interactive tool + Add third mouthpiece GR Technologies G66FD Radtke details Schilke 20F details GR Technologies G66FD Radtke equivalents Schilke 20F equivalents