[Amps] Tubes vs. Solid State (was) Expert Amps 2K-FA: Any Opinions ?

[GeorgeWallner]

I have been using two bridged SG-500 amps for years 
without trouble. Output is 1000 W on 160, 1100 W from 80 
to 15 meters, and 890 W on 12 and 10. (I have modified the 
T/R control to eliminate the timing variation caused by 
the micro-processor. The amps switch exactly at the same 
time now!) We used the same amps on TX3A, where they were 
running 20 hours a day, for 30 days, at full power, for a 
total of 36,000 QSO-s. These amps are over 10 years old 
now and have been on 4 DXpeditons. I think it is fair to 
say that they proved to be reliable.

I still use my Alpha during contests, for the extra few 
hundred watts, but even that may go away soon. I am 
looking into building a new SS set up for full legal 
power.

George, AA7JV