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Bob Reeves 43.5/F vs Bruno Tilz 210-S 4 E

The Bob Reeves 43.5/F has a wider cup diameter, the Bob Reeves 43.5/F 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 43.5/F
    • Flugelhorn
    Cup depthMedium
    vs
    Mouthpiece B
      Bruno Tilz 210-S 4 E
      • Flugelhorn
      Catalog
      Cup depthShallow
      Best suited for
      ⚡Screamer / high notes — tight throat with shallow cup

      Cup Depth

      The Bob Reeves 43.5/F has a medium cup while the Bruno Tilz 210-S 4 E 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 43.5/F details Bruno Tilz 210-S 4 E details Bob Reeves 43.5/F equivalents Bruno Tilz 210-S 4 E equivalents

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