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Bach 6½AM (small shank) vs Marcinkiewicz 8H-S

The Marcinkiewicz 8H-S has a wider cup diameter, the Bach 6½AM (small shank) 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 internal diameter of the cup, measured at the widest point inside the rim.
Mouthpiece A
    Bach 6½AM (small shank)
    • Trombone
    Cup diameter25.40 mm / 1.0000 in
    Best suited for
    🎻Orchestral playing — large cup for full, dark tone
    📣High-volume projection — open throat for power
    vs
    Mouthpiece B
      Marcinkiewicz 8H-S
      • Trombone
      Cup diameter26.06 mm / 1.0260 in
      Best suited for
      📣High-volume projection — open throat for power

      Cup Diameter

      The Marcinkiewicz 8H-S has a cup diameter of 26.06 mm / 1.0260 in compared to 25.40 mm / 1.0000 in on the Bach 6½AM (small shank) — a difference of 0.66 mm / 0.0260 in. A wider cup generally produces a fuller, darker tone but requires more air support.

      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 6½AM (small shank) details Marcinkiewicz 8H-S details Bach 6½AM (small shank) equivalents Marcinkiewicz 8H-S equivalents

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