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Bruno Tilz 306-5 GS vs Conn Precision 2

the Conn Precision 2 features a deeper cup.

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
    Bruno Tilz 306-5 GS
    • Trombone
    Catalog
    Rim width—
    Best suited for
    📣High-volume projection — open throat for power
    vs
    Mouthpiece B
      Conn Precision 2
      • Trombone
      Lead
      Rim width—
      Best suited for
      📋Solo work; high register; bright
      🎶Big bright tone; excellent solo

      Which is better?

      The Bruno Tilz 306-5 GS is designed for catalog playing, while the Conn Precision 2 targets lead use. Your best choice depends on your musical context.

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