S-38 DIY Isolation Xfmr #soldersmoke #hamradio #radio

Building a benchtop isolation transformer from two conventional 12.6, 18 or 24VAC, 3 to 5 A transformers is a common DIY solution to line isolation for AC/DC "Off-The-Line Sets like the Hallicrafters S-38 and S-120. My wooden base approach works, with enough wire protection, but a metal case will be quieter and safer! Add an input noise filter or Corcom IEC inlet for a deluxe solution.

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