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Marcinkiewicz ET1B. PeeblesBass Shank Only vs Marcinkiewicz 8H-S

The Marcinkiewicz ET1B. PeeblesBass Shank Only has a wider cup diameter, the Marcinkiewicz 8H-S features a deeper cup.

Overall Comparison Cup Diameter Cup Depth Rim Width Throat Diameter Backbore Finish Material
Mouthpiece A
    Marcinkiewicz ET1B. PeeblesBass Shank Only
    • Trombone
    Cup diameter26.14 mm / 1.0291 in
    Cup depthVery shallow
    Rim width—
    Throat diameter6.76 mm / 0.2661 in
    Backbore—
    Finish—
    Material—
    Best suited for
    📣High-volume projection — open throat for power
    vs
    Mouthpiece B
      Marcinkiewicz 8H-S
      • Trombone
      Cup diameter26.06 mm / 1.0260 in
      Cup depthShallow
      Rim width—
      Throat diameter6.76 mm / 0.2661 in
      Backbore—
      Finish—
      Material—
      Best suited for
      📣High-volume projection — open throat for power

      Cup Diameter

      The Marcinkiewicz ET1B. PeeblesBass Shank Only has a cup diameter of 26.14 mm / 1.0291 in compared to 26.06 mm / 1.0260 in on the Marcinkiewicz 8H-S — a difference of 0.08 mm / 0.0031 in. A wider cup generally produces a fuller, darker tone but requires more air support.

      Cup Depth

      The Marcinkiewicz 8H-S has a shallow cup while the Marcinkiewicz ET1B. PeeblesBass Shank Only has a very shallow cup. Deeper cups favor a darker, richer sound; shallower cups provide more brightness and easier upper register.

      Throat Diameter

      Throat diameters are essentially identical at 6.76 mm / 0.2661 in, so resistance feel will be comparable.

      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 ET1B. PeeblesBass Shank Only details Marcinkiewicz 8H-S details Marcinkiewicz ET1B. PeeblesBass Shank Only equivalents Marcinkiewicz 8H-S equivalents

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