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KPA500

Posted by w7aqk on Jan 15, 2012; 2:56pm
URL: http://elecraft.85.s1.nabble.com/KPA500-tp7189868.html

Jim and all,

At 5 watts input, I get something just "north" of 75 watts out of the
KPA500.  At 7 watts input, I get 100 watts out from the KPA500.  That's not
a "precise" measurement, but hopefully close enough.  That was on 40 meters,
by the way.  In any event, without doing the math, that seems pretty close
to the 15 DB gain figure I think they were shooting for.  I know that about
28 watts input from the K3 just "tickles" the 500 watt output LED on the
KPA500.  That's about where I run it when using the amp.

Looking ahead, at the KX3, 10 watts generates about 150 watts, and 12 watts
gets nearly 175 watts.

Dave W7AQK


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