Shaun Merrigan

Classic Electronic Restoration, Vacuum Tube Audio, Technical History, Photography

Tag: Vintage Test Equipment

  • Hickok 209A VTVM Restoration Part 3

    Hickok 209A VTVM Restoration Part 3

    Originally posted in December, 2018 This post continues my restoration of the Hickok 209A VTVM, SN 1333254, Part 2 Hickok 209A VTVM Restoration Part 6: Component replacement decisions In this Part 6 of the series I will document the condition of the passive circuit components in the Hickok 209A VTVM, and justify why I decided…

  • Tektronix Type 114 Pulse Generator Update

    Tektronix Type 114 Pulse Generator Update

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    Original posted in June 2022 This is an update to my previous post documenting my restoration/repair of two Tektronix Type 114 Pulse Generators. As of this writing I have completed some cosmetic work on the cabinets, front panels and carrying handles of both units. This includes cleaning and painting the cases, cleaning the front panels, knobs,…

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