Marcinkiewicz 25 vs Yamaha BB-65

The Marcinkiewicz 25 has a wider cup diameter, the Yamaha BB-65 features a deeper cup, the Yamaha BB-65 has a larger throat opening.

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
    Marcinkiewicz 25
    • Tuba
    Rim width
    Best suited for
    📣High-volume projection — open throat for power
    vs
    Mouthpiece B
      Yamaha BB-65
      • Tuba
      Rim width
      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 Marcinkiewicz 25 details Yamaha BB-65 details Marcinkiewicz 25 equivalents Yamaha BB-65 equivalents