High temperature silicone damper / dampener rings great for remedying microphonic oscillations and tube rattle. These red dampening rings are rated for temperatures up to 240°C and come in various sizes to fit a variety of tubes. Please verify your tube sizes to ensure a proper fit.

• 35mm: Recommended size for 6L6GC, 5U4G, 6146B, or any other tube with a ~35mm diameter.