Home › Trombone › Bach 15EW vs Schilke 45B

Bach 15EW vs Schilke 45B

the Schilke 45B features a deeper cup, the Schilke 45B has a larger throat opening.

Overall Comparison Cup Diameter Cup Depth Rim Width Throat Diameter Backbore Finish Material
The internal diameter of the cup, measured at the widest point inside the rim.
Mouthpiece A
    Bach 15EW
    • Trombone
    Cup diameter24.30 mm / 0.9567 in
    Best suited for
    📣High-volume projection — open throat for power
    vs
    Mouthpiece B
      Schilke 45B
      • Trombone
      Cup diameter24.30 mm / 0.9567 in
      Best suited for
      📣High-volume projection — open throat for power

      Cup Diameter

      Both mouthpieces have virtually identical cup diameters at 24.30 mm / 0.9567 in.

      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 15EW details Schilke 45B details Bach 15EW equivalents Schilke 45B equivalents

      Compare Bach 15EW with others

      Compare Schilke 45B with others

      Popular Trombone comparisons

      Bach vs Schilke

      Browse by specification