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Conn Imp. Precision 3 vs Yamaha SL-48L

the Conn Imp. Precision 3 features a deeper cup.

Overall Comparison Cup Diameter Cup Depth Rim Width Throat Diameter Backbore Finish Material
The internal diameter of the cup, measured at the widest point inside the rim.
Mouthpiece A
    Conn Imp. Precision 3
    • Trombone
    General
    Cup diameter—
    Best suited for
    📋Large lips; all band work
    🎶Full round tone
    vs
    Mouthpiece B
      Yamaha SL-48L
      • Trombone
      Cup diameter25.25 mm / 0.9941 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 Imp. Precision 3 details Yamaha SL-48L details Conn Imp. Precision 3 equivalents Yamaha SL-48L equivalents

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