Conn Precision 2 vs Yamaha SL-48S-GP

the Conn Precision 2 features a deeper cup.

Overall Comparison Cup Diameter Cup Depth Rim Width Throat Diameter Backbore Finish Material
The narrowest point at the bottom of the cup. Affects resistance, volume, and tone color.
Mouthpiece A
    Conn Precision 2
    • Trombone
    Lead
    Throat diameter
    Best suited for
    📋Solo work; high register; bright
    🎶Big bright tone; excellent solo
    vs
    Mouthpiece B
      Yamaha SL-48S-GP
      • Trombone
      Throat diameter6.62 mm / 0.2606 in
      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 Conn Precision 2 details Yamaha SL-48S-GP details Conn Precision 2 equivalents Yamaha SL-48S-GP equivalents