New power supply modules made by Emco High Voltage Corp. model C80N. Ideal for Capacitor charging, Photomultiplier tubes, and more.

Specifications:

Input Voltage:  11.5 to 16 VDC
Input Current: 300 mA max
Output Voltage:  0 to -8000 VDC
Program Voltage:  0 to 5 VDC
Output Current: 125 uA max
Dimensions: 75 x 32 x 15 mm

See this LINK for spec sheet.