- New Braunfels, Texas, United States
- US $32.99
- Feb 27th
This particular lot is for both a known value NOS 6L6 tube (which is the tube preferred by Hickok), and a known value NOS 6AX7 tube (tests exactly like a 12AX7 but with a 6 volt setting), 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.