This unit is an Applied Systems Engineering Device with an NEC Microwave Tube Co Ltd Model LD4606B Klystron Amplifier and (what we believe is) Power Supply, All in a 60" high 19" rack. The Unit appears to be in outstanding condition as shown in the pictures. NEC LD4606A CW Klystron Amplifier The NEC Microwave page can be found at http://www.nec-mwt.com/english/klyamp_es/ld4606a.html The applied Systems page can be found at: http://www.applsys.com/page11.html We did not find this specific tube on the NEC Microwave Tube Ltd page but we did find the LD4606A. We believe they are quite similar so.... just as a reference we will give you the 4606A's specs. RF Connections input and Output - Waveguide We are offering this unit in an Applied Systems Engineering Enclosure with the relevant componants to this unit (see Pictures) |