Bruno Tilz 305-4 MSG vs Marcinkiewicz 8H-S

The Marcinkiewicz 8H-S has a wider cup diameter, the Bruno Tilz 305-4 MSG features a deeper cup, the Marcinkiewicz 8H-S has a larger throat opening.

Overall Comparison Cup Diameter Cup Depth Rim Width Throat Diameter Backbore Finish Material
The narrowest point at the bottom of the cup. Affects resistance, volume, and tone color.
Mouthpiece A
    Bruno Tilz 305-4 MSG
    • Trombone
    Catalog
    Throat diameter6.50 mm / 0.2559 in
    Best suited for
    📣High-volume projection — open throat for power
    vs
    Mouthpiece B
      Marcinkiewicz 8H-S
      • Trombone
      Throat diameter6.76 mm / 0.2661 in
      Best suited for
      📣High-volume projection — open throat for power

      Throat Diameter

      The Marcinkiewicz 8H-S has a wider throat (6.76 mm / 0.2661 in vs 6.50 mm / 0.2559 in). A wider throat allows more air through, increasing volume and projection but reducing resistance.

      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 Bruno Tilz 305-4 MSG details Marcinkiewicz 8H-S details Bruno Tilz 305-4 MSG equivalents Marcinkiewicz 8H-S equivalents