Bach 1B vs Conn Connstellation 7BN

The Bach 1B has a wider cup diameter, the Conn Connstellation 7BN 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 1B
    • Cornet
    Material
    Best suited for
    🎻Orchestral playing — large cup for full, dark tone
    vs
    Mouthpiece B
      Conn Connstellation 7BN
      • Cornet
      General
      MaterialSilver-plated brass
      Best suited for
      📋Trumpet players seeking precise matched dimensions
      🎶Size 7 (16.42mm); smaller cup; more compact tone; Narrow rim; smaller inner radius; sharper bite. Fa

      Material

      The Bach 1B is described as unspecified, and the Conn Connstellation 7BN 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 1B details Conn Connstellation 7BN details Bach 1B equivalents Conn Connstellation 7BN equivalents