Yesterday, 12:25 PM
How does the 5W4 and 83 tube filaments get fed?
Hickok AC51 tube tester
20 minutes ago
Note that no power cord, power switch, or power transformer switch are shown. That (along with my experience with full schematics for other Hickok models) would indicate that the power transformer has individual filament secondary windings (which are shown) for those tubes
Dale H. Cook, GR/HP/Tek Collector, Roanoke/Lynchburg, VA https://plymouthcolony.net/starcity/radios/
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