Bob Reeves Piccolo 42/M/s vs GR Technologies 66M

The GR Technologies 66M 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 Piccolo 42/M/s
    • Trumpet
    Finish
    Best suited for
    🎵All-round versatile — balanced cup for general playing
    vs
    Mouthpiece B
      GR Technologies 66M
      • Trumpet
      Finish

      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 Piccolo 42/M/s details GR Technologies 66M details Bob Reeves Piccolo 42/M/s equivalents GR Technologies 66M equivalents