Bach 12E vs Conn Connstellation 7CW

the Conn Connstellation 7CW features a deeper cup.

Overall Comparison Cup Diameter Cup Depth Rim Width Throat Diameter Backbore Finish Material
Base metal or construction (e.g. brass, stainless steel, plastic). Influences weight, response, and tone color.
Mouthpiece A
    Bach 12E
    • Trombone
    Material
    Best suited for
    📣High-volume projection — open throat for power
    vs
    Mouthpiece B
      Conn Connstellation 7CW
      • Trombone
      General
      MaterialSilver-plated brass
      Best suited for
      📋Trombone players
      🎶Trombone size 7; larger cup; fuller lower register; Wide rim; larger rounded inner radius; less bite

      Material

      The Bach 12E is described as unspecified, and the Conn Connstellation 7CW as Silver-plated brass. Material affects mass, warmth, and how quickly the piece responds.

      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 Connstellation 7CW details Bach 12E equivalents Conn Connstellation 7CW equivalents