[Amps] SSB transmitter rebuilt

[Hsu]

A Chinese ham rebuilt his 1.6KW SSB transmitter.here:
http://www.hellocq.net/forum/showthread.php?t=144262&page=1&pp=30
 Final tube(FU-728) and socket,blower has been missed.so  he had to 
replace it to a 4-1000A(7F25B).   The right is Chinese 400W SSB transmitter,
Final is a pair FU-250F(4CX250FG).Two  transmitters was devoleped in early 
1960s, and similar Collins 618T or 618T+30S1.
         73!Hsu