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Learning About Ferroresonant Transformers While Fixing a 1970s Power Supply: While troubleshooting the power supply of a 1970s Centurion system, [Usagi Electrics] came across a fascinating feature of these units: the ferroresonant, or constant… https://t.co/3BZoiWgu3l #hadtips https://t.co/6sSgZDQKYk

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