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Originally Posted by Andy
what are those trimmer pots for?
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To adjust the center "tap" of the heaters, both on the amplifier and rectifier valves, to reduce hum
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Originally Posted by Andy
are you still using aspirin as flux?
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I am. But those soldering that you see on the PCB were done using the solder that you once sent me. That's why it looks shinning. That solder is reserved for important projects only.
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Originally Posted by David
use insulating 'top hat' bushes on the screws.
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I will use insulating sleeves and bakelite or fiberglass washers.