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like CTC17 said, engineered to make service easy. lots of little things, like plugs to disconnect the tuner/control panels, very easy chassis to set on the bench (can flip it upside down, the HV cage and part of the vert chassis makes a perfect stand) plugs that connect the filter cans (easy to take them out of circuit to check for leakage of the cap). IF section on a PCB but all the tubes are handwired so no PCB damage from tube heat. focus tube rather than Se rectifier, jumper provided for cathode current checks, all the tubes are easy to get at, just a lot of stuff like that. The only real weak point was the cheap adj pot board that failed. I guess from an enginneering stand point it makes since (the pots are not supposed to see any cycling), and I can't figure how it failed the way it did. the pot did not just have a bad spot, but rather the conductive part seemed to be just gone across 90% of the arc.
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