Bach 17 vs Schilke 44E4

The Schilke 44E4 has a wider cup diameter, the Schilke 44E4 features a deeper cup, the Schilke 44E4 has a larger throat opening.

Overall Comparison Cup Diameter Cup Depth Rim Width Throat Diameter Backbore Finish Material
How deep the cup is, from shallow (brighter, easier high register) to deep (darker, fuller sound).
Mouthpiece A
    Bach 17
    • Trombone
    Cup depthMedium
    Best suited for
    📣High-volume projection — open throat for power
    vs
    Mouthpiece B
      Schilke 44E4
      • Trombone
      Cup depthVery deep
      Best suited for
      🎻Orchestral playing — large cup for full, dark tone
      📣High-volume projection — open throat for power

      Cup Depth

      The Schilke 44E4 has a very deep cup while the Bach 17 has a medium cup. Deeper cups favor a darker, richer sound; shallower cups provide more brightness and easier upper register.

      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 17 details Schilke 44E4 details Bach 17 equivalents Schilke 44E4 equivalents