Acopian 20J75 Linear Regulated Plug-In Power Supply with Allied H50-SL608 8-Pin Octal Socket. Used working unit in good condition. Nominal Output Voltage: 20 Adjust +/-V: 1 Output Current Amps: 0.75 Regulation: Load +/- % 0.15 / Line +/- % 0.05 Ripple mV RMS: 1