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    Location: United StatesMember since: Feb 16, 2018

    All feedback (11)

    • maryw31 (3223)- Feedback left by buyer.
      More than a year ago
      Verified purchase
      Thank you for your purchase!
    • patschu-8199 (1950)- Feedback left by buyer.
      More than a year ago
      Verified purchase
      Purchased and paid for quickly. Thank you
    • rennej (1268)- Feedback left by buyer.
      More than a year ago
      Verified purchase
      Quick response and fast payment. Perfect! THANKS!!
    Reviews (1)
    Hickok 539B Professional Tube Tester in Very Good Operating Condition
    Apr 25, 2018
    Classic tube tester
    The 539B is a classic reliable vacuum tube tester. Mine worked as expected out of the box, but hadn’t been calibrated in a long time. I’m in the process of checking and replacing components as needed and calibrating. So far there has been no surprises. It’s a great instrument for its age.

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