- New Braunfels, Texas, United States
- May 25th
This particular lot is for a known value NOS 6L6 tube to be used in the calibration process for a Hickok 533, 533A, 534, 600, 600A, 605, 800, 800A, 6000, 6000A, or TV-7 military Hickok or Hickok design-based TV-7 tester. Each tube will be mailed with its known value Gm reading labelled on it. Each tube is a high quality and very stable USSR military NOS tube from their rocket programs, put through a stringent and technically sound fashion to produce a known value tube.