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Monette Tuba 98 (Lightweight) vs Yamaha BB-67C4

Both mouthpieces share similar core dimensions — the differences are in the details.

Overall Comparison Cup Diameter Cup Depth Rim Width Throat Diameter Backbore Finish Material
Mouthpiece A
    Monette Tuba 98 (Lightweight)
    • Tuba
    Cup diameter—
    Cup depthMedium
    Rim width—
    Throat diameter—
    Backbore—
    Finish—
    Material—
    vs
    Mouthpiece B
      Yamaha BB-67C4
      • Tuba
      Cup diameter32.06 mm / 1.2622 in
      Cup depthMedium
      Rim width—
      Throat diameter8.10 mm / 0.3189 in
      BackboreStandard
      Finish—
      Material—
      Best suited for
      📣High-volume projection — open throat for power

      Cup Depth

      Both mouthpieces share a medium cup depth, so the sound character from depth alone will be very similar.

      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.

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