Marcinkiewicz CH R 5S vs Yamaha HR-35C4

The Yamaha HR-35C4 has a wider cup diameter, the Yamaha HR-35C4 features a deeper cup, the Marcinkiewicz CH R 5S 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 CH R 5S
    • French Horn
    Throat diameter5.23 mm / 0.2059 in
    Best suited for
    📣High-volume projection — open throat for power
    vs
    Mouthpiece B
      Yamaha HR-35C4
      • French Horn
      Throat diameter3.98 mm / 0.1567 in
      Best suited for
      📣High-volume projection — open throat for power

      Throat Diameter

      The Marcinkiewicz CH R 5S has a wider throat (5.23 mm / 0.2059 in vs 3.98 mm / 0.1567 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 CH R 5S details Yamaha HR-35C4 details Marcinkiewicz CH R 5S equivalents Yamaha HR-35C4 equivalents