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Bruno Tilz 306-5 GS vs Conn Precision 3

the Conn Precision 3 features a deeper cup.

Overall Comparison Cup Diameter Cup Depth Rim Width Throat Diameter Backbore Finish Material
The taper behind the throat leading to the shank. Affects projection and tone character.
Mouthpiece A
    Bruno Tilz 306-5 GS
    • Trombone
    Catalog
    Backbore—
    Best suited for
    📣High-volume projection — open throat for power
    vs
    Mouthpiece B
      Conn Precision 3
      • Trombone
      General
      Backbore—
      Best suited for
      📋Musicians with large lips; all kinds of band work
      🎶Full round tone; ideal for large lips

      Which is better?

      The Bruno Tilz 306-5 GS is designed for catalog playing, while the Conn Precision 3 targets general use. Your best choice depends on your musical context.

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