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Conn Precision 1 vs Denis Wick 5AL

the Conn Precision 1 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 Precision 1
    • Trombone
    Orchestral
    Cup diameter—
    Best suited for
    📋Large bore trombones; symphony work
    🎶Good clear tone; large bore symphonic
    vs
    Mouthpiece B
      Denis Wick 5AL
      • Trombone
      Cup diameter25.73 mm / 1.0130 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.

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