Bach 12E vs Conn Connstellation 7CN

the Conn Connstellation 7CN features a deeper cup.

Overall Comparison Cup Diameter Cup Depth Rim Width Throat Diameter Backbore Finish Material
The taper behind the throat leading to the shank. Affects projection and tone character.
Mouthpiece A
    Bach 12E
    • Trombone
    Backbore
    Best suited for
    📣High-volume projection — open throat for power
    vs
    Mouthpiece B
      Conn Connstellation 7CN
      • Trombone
      General
      Backbore
      Best suited for
      📋Trombone players
      🎶Trombone size 7; larger cup; fuller lower register; Narrow rim; smaller inner radius; sharper bite.

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