Bob Reeves 11C vs Bob Reeves 4G

The Bob Reeves 4G has a wider cup diameter, the Bob Reeves 4G features a deeper cup.

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
    Bob Reeves 11C
    • Trombone
    Material
    vs
    Mouthpiece B
      Bob Reeves 4G
      • Trombone
      Material
      Best suited for
      🎻Orchestral playing — large cup for full, dark tone

      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 11C details Bob Reeves 4G details Bob Reeves 11C equivalents Bob Reeves 4G equivalents