Vacuum Tube Variable High Voltage power supply info.
Vacuum Tube Variable Regulated High Voltage power supplies.
Schematics and pictures supporting the December 2019 article in
THE SPECTRUM MONITOR
"Those regulated power supplies; Heathkit and others"
RCA regulated PS in RCA Service Notes 1934
Simplified RCA regulated Power Supply schematic
RCA regulated Power Supply full schematic
Lambda Model 25 power supply schematic
Heathkit PS-1 catalog ad
Heahtkit PS-1 variable power supply schematic - not regulated
Heathkit PS-2 catalog ad 1953
Heathkit PS-3
Heathkit PS-3 schematic
Heathkit PS-4 schematic
Heathkti IP-32 schematic
Heathkti IP-17 schematic
Heathkit IP-2117A regulated PS in 1988 Heathkit catalog
Heathkti EUW15 power supply catalog specs
Heathkit EUW-15 schematic
Chatham E-50 regulated PS informational ad in 2-50 RTV News
Column schematic - Dan's 90 volt "B" supply schematic and circuit board