[Milsurplus] 1625 expert needed

[Charlie L.]

 Basic ARC 5 stone stock unmodified transmitter running on the MD-7
modulator/PS with a pair of good and not gassy 1625's.  When keyed, the
tube 'lights up' orange inside the tube, looking like the filament went
from orange to lightbulb like brightness, but, it is not the filament
changing.  ARC 5 TX components have been checked for health.  Anybody see
that one before?

Charlie, W4MEC in NC
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