Marcinkiewicz 5GWG. Woll vs Yamaha SL-48S-GP

The Marcinkiewicz 5GWG. Woll has a wider cup diameter, the Yamaha SL-48S-GP features a deeper cup.

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
    Marcinkiewicz 5GWG. Woll
    • Trombone
    Cup diameter25.55 mm / 1.0059 in
    Best suited for
    📣High-volume projection — open throat for power
    vs
    Mouthpiece B
      Yamaha SL-48S-GP
      • Trombone
      Cup diameter25.25 mm / 0.9941 in
      Best suited for
      📣High-volume projection — open throat for power

      Cup Diameter

      The Marcinkiewicz 5GWG. Woll has a cup diameter of 25.55 mm / 1.0059 in compared to 25.25 mm / 0.9941 in on the Yamaha SL-48S-GP — a difference of 0.30 mm / 0.0118 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 Marcinkiewicz 5GWG. Woll details Yamaha SL-48S-GP details Marcinkiewicz 5GWG. Woll equivalents Yamaha SL-48S-GP equivalents