Bob Reeves 40/SV/s vs Marcinkiewicz 5*W (Endorsee)

The Marcinkiewicz 5*W (Endorsee) has a wider cup diameter, the Bob Reeves 40/SV/s features a deeper cup.

Overall Comparison Cup Diameter Cup Depth Rim Width Throat Diameter Backbore Finish Material
The taper behind the throat leading to the shank. Affects projection and tone character.
Mouthpiece A
    Bob Reeves 40/SV/s
    • Cornet
    Backbores
    Best suited for
    🎺Lead / commercial — shallow cup for brightness and range
    vs
    Mouthpiece B
      Marcinkiewicz 5*W (Endorsee)
      • Cornet
      Backbore
      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 Bob Reeves 40/SV/s details Marcinkiewicz 5*W (Endorsee) details Bob Reeves 40/SV/s equivalents Marcinkiewicz 5*W (Endorsee) equivalents