Please take a visit to the original author's site HB9TMW our excellent webmaster of EURONET

 
Linear amplifier tubes

Tube 572 B (200 W), tube 3-500ZG (900W), Mosfet MRF150 (150W)

 

Still the 3-500ZG (graphite anode Amperex)

 
 

Eimac 3CX800A7 800W of continuous dissipation

 
 

Still the 3CX800

 
 

HB9HFL with a "small" tube (5 KW CW and 10 KW SSB/PEP)