Re: 100 Watts or 500 Watts

Posted by ab2tc on Dec 20, 2010; 8:44pm
URL: http://elecraft.85.s1.nabble.com/100-Watts-or-500-Watts-tp5853336p5853704.html

Hi,

Not so sure. That would require the 12W (pre)amp in the K3 to run full tilt. I seem to remember from the QST review of the K3/10 that it wasn't super clean at full power either. It's well known that both these amps get significantly cleaner when run at 50% or less which is what they would do driving the KPA500 to full power.

AB2TC - Knut

Rick Dettinger-3 wrote

But going directly from the K3/10 to the KPA500 might be a good way  
for those unhappy with the SSB transmit quality of the KPA3 to get a  
very clean signal since the KPA500 uses 70 volt devices for the final  
amplifiers.  Plus a 3 db. gain over the KPA3.  At a cost, of course.

73,
Rick Dettinger   K7MW

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