Bach 1½C vs Bob Reeves RP5

The Bach 1½C has a wider cup diameter, the Bach 1½C features a deeper cup.

Overall Comparison Cup Diameter Cup Depth Rim Width Throat Diameter Backbore Finish Material
The width of the rim surface that contacts the lips. Wider rims improve endurance; narrower rims improve flexibility.
Mouthpiece A
    Bach 1½C
    • Trumpet
    Rim width
    vs
    Mouthpiece B
      Bob Reeves RP5
      • Trumpet
      Rim width

      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 Bach 1½C details Bob Reeves RP5 details Bach 1½C equivalents Bob Reeves RP5 equivalents