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Bach 12E vs Conn Imp. Precision 5

the Conn Imp. Precision 5 features a deeper cup.

Overall Comparison Cup Diameter Cup Depth Rim Width Throat Diameter Backbore Finish Material
Surface plating or treatment (e.g. silver plate, gold trim). Affects feel, durability, and appearance.
Mouthpiece A
    Bach 12E
    • Trombone
    Finish—
    Best suited for
    📣High-volume projection — open throat for power
    vs
    Mouthpiece B
      Conn Imp. Precision 5
      • Trombone
      General
      Finish—
      Best suited for
      📋Connstellation-equipped tenor trombone
      🎶Designed for Connstellation 24I/25I

      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 12E details Conn Imp. Precision 5 details Bach 12E equivalents Conn Imp. Precision 5 equivalents

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