S-38A - Part 4 Hum-Miliation #soldersmoke #hamradio #radioreceiver #arrl #electronics #repair

The Hallicrafters S-38A, after Part 3 work, is safe and working very nicely with a 3-wire cord. But what can we do in terms on off-board and onboard isolation transformers? We know that these sets can be made safe; but can the hum situation be solved with these classic entry level radios?