Marcinkiewicz CH 4 BS vs Marcinkiewicz CH 8H BS / 6.5 AL

the Marcinkiewicz CH 8H BS / 6.5 AL features a deeper cup, the Marcinkiewicz CH 4 BS has a larger throat opening.

Overall Comparison Cup Diameter Cup Depth Rim Width Throat Diameter Backbore Finish Material
Mouthpiece A
    Marcinkiewicz CH 4 BS
    • Trombone
    Cup diameter26.06 mm / 1.0260 in
    Cup depthMedium
    Rim width
    Throat diameter7.04 mm / 0.2772 in
    Backbore
    Finish
    Material
    Best suited for
    📣High-volume projection — open throat for power
    vs
    Mouthpiece B
      Marcinkiewicz CH 8H BS / 6.5 AL
      • Trombone
      Cup diameter26.06 mm / 1.0260 in
      Cup depthVery deep
      Rim width
      Throat diameter6.76 mm / 0.2661 in
      Backbore
      Finish
      Material
      Best suited for
      🎻Orchestral playing — large cup for full, dark tone
      📣High-volume projection — open throat for power

      Cup Diameter

      Both mouthpieces have virtually identical cup diameters at 26.06 mm / 1.0260 in.

      Cup Depth

      The Marcinkiewicz CH 8H BS / 6.5 AL has a very deep cup while the Marcinkiewicz CH 4 BS has a medium cup. Deeper cups favor a darker, richer sound; shallower cups provide more brightness and easier upper register.

      Throat Diameter

      The Marcinkiewicz CH 4 BS has a wider throat (7.04 mm / 0.2772 in vs 6.76 mm / 0.2661 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 Marcinkiewicz CH 4 BS details Marcinkiewicz CH 8H BS / 6.5 AL details Marcinkiewicz CH 4 BS equivalents Marcinkiewicz CH 8H BS / 6.5 AL equivalents