Conn Connstellation 7BN vs Marcinkiewicz 3

the Conn Connstellation 7BN features a deeper cup.

Overall Comparison Cup Diameter Cup Depth Rim Width Throat Diameter Backbore Finish Material
Mouthpiece A
    Conn Connstellation 7BN
    • French Horn
    Orchestral
    Cup diameter
    Cup depthVery deep
    Rim width
    Throat diameter
    Backbore
    Finish
    MaterialSilver-plated brass
    Best suited for
    📋French horn players
    🎶French horn size 7; smaller cup; more compact tone; Narrow rim; smaller inner radius; sharper bite.
    vs
    Mouthpiece B
      Marcinkiewicz 3
      • French Horn
      Cup diameter17.91 mm / 0.7051 in
      Cup depthShallow
      Rim width
      Throat diameter5.41 mm / 0.2130 in
      Backbore
      Finish
      Material
      Best suited for
      📣High-volume projection — open throat for power

      Cup Depth

      The Conn Connstellation 7BN has a very deep cup while the Marcinkiewicz 3 has a shallow cup. Deeper cups favor a darker, richer sound; shallower cups provide more brightness and easier upper register.

      Material

      The Conn Connstellation 7BN is described as Silver-plated brass, and the Marcinkiewicz 3 as unspecified. 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.

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