Bach 10 vs Conn Connstellation 3BW

Both mouthpieces share similar core dimensions — the differences are in the details.

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 10
    • French Horn
    Material
    Best suited for
    🎻Orchestral playing — large cup for full, dark tone
    📣High-volume projection — open throat for power
    vs
    Mouthpiece B
      Conn Connstellation 3BW
      • French Horn
      Orchestral
      MaterialSilver-plated brass
      Best suited for
      📋French horn players
      🎶French horn size 3; smaller cup; more compact tone; Wide rim; larger rounded inner radius; less bite

      Material

      The Bach 10 is described as unspecified, and the Conn Connstellation 3BW 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 10 details Conn Connstellation 3BW details Bach 10 equivalents Conn Connstellation 3BW equivalents