It is designed to work on 230 Volts a.c. with built in power
supply, fitted with triode valve 6J5 on the front panel. One
dual range meter is provided for HT volts/current and one
for Bias volts.
Output H.T. : 0-300 volts d.c. at 30mA continuously variable
Bias : 0-15 volts d.c. at 5mA continuously variable (Flotting)
L.T. : 6.3 Volts a.c.