Howdy,
You might consider putting a variac on it and loading both the high and low voltage B+ to see where they are.? I have found that modern line voltages do increase the output voltages a bit.
--
73/Rick
WA6III
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No critters were injured transmitting with Hallicrafters transmitters except
the ones that wandered into the final amp cage Bug-Motel!!
Bugs check-in, but they don't check-out!
Rick W7IMM