Schilke 66 vs Schilke GEIB

The Schilke GEIB has a wider cup diameter, the Schilke 66 features a deeper cup, the Schilke 66 has a larger throat opening.

Overall Comparison Cup Diameter Cup Depth Rim Width Throat Diameter Backbore Finish Material
Base metal or construction (e.g. brass, stainless steel, plastic). Influences weight, response, and tone color.
Mouthpiece A
    Schilke 66
    • Tuba
    Material
    Best suited for
    📣High-volume projection — open throat for power
    vs
    Mouthpiece B
      Schilke GEIB
      • Tuba
      Material
      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 Schilke 66 details Schilke GEIB details Schilke 66 equivalents Schilke GEIB equivalents