This is a used Rockwell Collins HF-8020 Amplifier with matching HF-8030 Power Supply.  This unit uses one 4CX1500B tube.  The unit is complete (Including the control card in the 8030) but untested.  It includes all original cables ( rare and usually sell for $1000.00 alone) including the cable for the 100 mw exciter ( HF-8010 or HF-8070) which are NOT included. Included is the important TS 8020 controller and the TR switch.  Lids to units are included but removed for pictures. All manuals are included.  The price is low as it may need a little work to get it running, however these units are very good Quality and faithful and reliable. Write or call if you have questions. 1.818.519.4419 Jim Stitzinger.  Shipping is for US locations.