| 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 |
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 |