Bruno Tilz 305-D 5 vs Marcinkiewicz 6E-S (Standard (Bass))

The Bruno Tilz 305-D 5 has a wider cup diameter, the Marcinkiewicz 6E-S (Standard (Bass)) has a larger throat opening.

Overall Comparison Cup Diameter Cup Depth Rim Width Throat Diameter Backbore Finish Material
Mouthpiece A
    Bruno Tilz 305-D 5
    • Trombone
    Catalog
    Cup diameter26.00 mm / 1.0236 in
    Cup depthMedium
    Rim width
    Throat diameter6.30 mm / 0.2480 in
    Backbore
    Finish
    Material
    Best suited for
    📣High-volume projection — open throat for power
    vs
    Mouthpiece B
      Marcinkiewicz 6E-S (Standard (Bass))
      • Trombone
      Cup diameter25.78 mm / 1.0150 in
      Cup depthMedium
      Rim width
      Throat diameter6.35 mm / 0.2500 in
      Backbore
      Finish
      Material
      Best suited for
      📣High-volume projection — open throat for power

      Cup Diameter

      The Bruno Tilz 305-D 5 has a cup diameter of 26.00 mm / 1.0236 in compared to 25.78 mm / 1.0150 in on the Marcinkiewicz 6E-S (Standard (Bass)) — a difference of 0.22 mm / 0.0087 in. A wider cup generally produces a fuller, darker tone but requires more air support.

      Cup Depth

      Both mouthpieces share a medium cup depth, so the sound character from depth alone will be very similar.

      Throat Diameter

      The Marcinkiewicz 6E-S (Standard (Bass)) has a wider throat (6.35 mm / 0.2500 in vs 6.30 mm / 0.2480 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-D 5 details Marcinkiewicz 6E-S (Standard (Bass)) details Bruno Tilz 305-D 5 equivalents Marcinkiewicz 6E-S (Standard (Bass)) equivalents