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Marcinkiewicz EBT3E. Tack vs Yamaha SL-48L-GP

The Marcinkiewicz EBT3E. Tack has a wider cup diameter, the Marcinkiewicz EBT3E. Tack has a larger throat opening.

Overall Comparison Cup Diameter Cup Depth Rim Width Throat Diameter Backbore Finish Material
The narrowest point at the bottom of the cup. Affects resistance, volume, and tone color.
Mouthpiece A
    Marcinkiewicz EBT3E. Tack
    • Trombone
    Throat diameter7.14 mm / 0.2811 in
    Best suited for
    📣High-volume projection — open throat for power
    vs
    Mouthpiece B
      Yamaha SL-48L-GP
      • Trombone
      Throat diameter6.62 mm / 0.2606 in
      Best suited for
      📣High-volume projection — open throat for power

      Throat Diameter

      The Marcinkiewicz EBT3E. Tack has a wider throat (7.14 mm / 0.2811 in vs 6.62 mm / 0.2606 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 EBT3E. Tack details Yamaha SL-48L-GP details Marcinkiewicz EBT3E. Tack equivalents Yamaha SL-48L-GP equivalents

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