They explained the 13.11 thing. They added the resistor to help keep ripple currents out of the audio ground.
No one is saying screen resistors are not interesting. Just the thread seemed to be about killing hum, which is why no one picked up on the other items.
No one is saying screen resistors are not interesting. Just the thread seemed to be about killing hum, which is why no one picked up on the other items.
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