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heathkit im58

  1. J

    Repair and restoration of a Heathkit IM-12 Distortion analyzer

    New project kickoff!!! This one is the repair and restoration of Heathkit's Harmonic Distortion Meter Model IM-12 (or IM58) going through the usual idiosyncrasies of Heathkit as I move along on this adventure to see if such a device can stand up to the likes of an HP 331A in the end. I realize...
    • JRUBIN
    • Thread
    • antique distortion analyzer heathkit heathkit im-12 heathkit im-58 heathkit im12 heathkit im58 repair restore vintage
    • Replies: 5
    • Forum: Test Equipment
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