[Amps] drive power

Gudguyham at aol.com Gudguyham at aol.com
Sun Mar 18 10:37:05 EST 2007


Some years ago a couple of contester friends of mine who were running the  
Icom 781 (don't remember the # but it was the top of the line radio then) They  
both were running Aplha amps using tetrodes I believe.  The amps only  
required like 30 watts of drive, so they had to back the drive level back on the  
Icom radios.  More often than not the Alpha amps would trip off on high  grid 
current due to overshoot of the Icom radio.  They both had the same  problem and 
the both called Icom.  Icom denied that the radios had any  overshoot 
problems.  It was a night mare for these guys.  All I  remember was they were really 
angry.  Don't know the final result, but that  is what I remembered.  Lou



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