DC REGULATED POWER SUPPLY FOR DIODE/TRIODE VALVE CHARACTERISTICS – GUPTA BRAND 200159

H.T. Voltage/Current : 0-300VDC/30 mA,
Bias Voltage/Current : 0-15VDC/10 mA,
L.T. Voltage/Current : 6.3VAC/1 Amp with 3 round meters
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