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Bob Reeves 4G vs Marcinkiewicz 8H-S

The Marcinkiewicz 8H-S 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
How deep the cup is, from shallow (brighter, easier high register) to deep (darker, fuller sound).
Mouthpiece A
    Bob Reeves 4G
    • Trombone
    Cup depthVery deep
    Best suited for
    🎻Orchestral playing — large cup for full, dark tone
    vs
    Mouthpiece B
      Marcinkiewicz 8H-S
      • Trombone
      Cup depthShallow
      Best suited for
      📣High-volume projection — open throat for power

      Cup Depth

      The Bob Reeves 4G has a very deep cup while the Marcinkiewicz 8H-S has a shallow cup. Deeper cups favor a darker, richer sound; shallower cups provide more brightness and easier upper register.

      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 4G details Marcinkiewicz 8H-S details Bob Reeves 4G equivalents Marcinkiewicz 8H-S equivalents

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