Bach 10 vs Conn Connstellation 7BW

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
The narrowest point at the bottom of the cup. Affects resistance, volume, and tone color.
Mouthpiece A
    Bach 10
    • French Horn
    Throat diameter4.50 mm
    Best suited for
    🎻Orchestral playing — large cup for full, dark tone
    📣High-volume projection — open throat for power
    vs
    Mouthpiece B
      Conn Connstellation 7BW
      • French Horn
      Orchestral
      Throat diameter
      Best suited for
      📋French horn players
      🎶French horn size 7; smaller cup; more compact tone; Wide rim; larger rounded inner radius; less 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 10 details Conn Connstellation 7BW details Bach 10 equivalents Conn Connstellation 7BW equivalents