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
The taper behind the throat leading to the shank. Affects projection and tone character.
Mouthpiece A
    Bach 1B
    • Cornet
    Backbore
    Best suited for
    🎻Orchestral playing — large cup for full, dark tone
    vs
    Mouthpiece B
      Conn Connstellation 7BN
      • Cornet
      General
      Backbore
      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

      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