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It seems like all the manufacturers who used printed circuit boards claimed that they were better than hand wiring. I think the only place where the boards have an advantage is on VHF/UHF circuits where hand wiring can lead to stray capacitance and oscillation.
The problem is when high-power tubes are used on cheaply made circuit boards: the heat travels down through the tube pins and causes the solder to crack, also some PC boards have been charred by normal tube heat.
Those types of sets are HEAVY, like 125 lbs. I had to pick one up like it to get it out of an estate sale, had no dolly to move it. It was a tough job!
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