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hickok 533

  1. pixelriffic

    Hickok 533 Tube Tester Question

    Howdy folks, I just picked up a Hickok 533 tester. The seller noted that the #83 tube had been replaced by solid state diodes. He did include a nos #83 tube in case I wanted to convert it back. I don't know whether or not it was recalibrated in that process. On testing small signal tubes...
  2. J

    Stark 9-66 tube tester calibration help needed

    Hi, I recently purchased a Stark 9-66 Tube tester and have the one page tube tester test and calibration procedure, but the Plate and Cathode AC Voltage Checks come up with no voltage. I tested a few tubes and they seem to test, but I am not sure of the accuracy. I am looking for some help...
    • Jeff Turner
    • Thread
    • calibration hickok 533 stark 9-66 tube tester
    • Replies: 3
    • Forum: DIY
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