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Marcinkiewicz ET1B. PeeblesBass Shank Only vs Schilke 45B

The Marcinkiewicz ET1B. PeeblesBass Shank Only has a wider cup diameter, the Schilke 45B features a deeper cup, the Marcinkiewicz ET1B. PeeblesBass Shank Only has a larger throat opening.

Overall Comparison Cup Diameter Cup Depth Rim Width Throat Diameter Backbore Finish Material
The taper behind the throat leading to the shank. Affects projection and tone character.
Mouthpiece A
    Marcinkiewicz ET1B. PeeblesBass Shank Only
    • Trombone
    Backbore—
    Best suited for
    📣High-volume projection — open throat for power
    vs
    Mouthpiece B
      Schilke 45B
      • Trombone
      Backbore15/64 .2344"
      Best suited for
      📣High-volume projection — open throat for power

      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 Schilke 45B details Marcinkiewicz ET1B. PeeblesBass Shank Only equivalents Schilke 45B equivalents

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