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Bach 1¼G vs Conn Imp. Precision 2

the Bach 1¼G 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
    Bach 1¼G
    • Trombone
    Cup diameter27.50 mm / 1.0827 in
    Best suited for
    🎻Orchestral playing — large cup for full, dark tone
    📣High-volume projection — open throat for power
    vs
    Mouthpiece B
      Conn Imp. Precision 2
      • Trombone
      Lead
      Cup diameter—
      Best suited for
      📋Solo; high register
      🎶Big bright tone; excellent solo

      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 Bach 1¼G details Conn Imp. Precision 2 details Bach 1¼G equivalents Conn Imp. Precision 2 equivalents

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