[Elecraft] KPA500 Power In Digital Modes

Jim Brown jim at audiosystemsgroup.com
Mon Nov 10 12:34:09 EST 2014


On Sun,11/9/2014 2:18 PM, Phil Wheeler wrote:
> How much power out were you running on RTTY with your KPA500? I'm 
> interested because I have the amp, but have not yet used it on digital 
> modes (use the K3 barefoot at 25 W or so).

During KPA500 beta, I was loaned one for a major RTTY contest weekend 
and told to run it "with all the lights lit." I did, and it worked fine. 
In the 3-4 years I've owned one, I regularly run it at full power in 
digital modes on all bands, 160-6M. When it gets warm, the fan speeds 
up, but it continues to put out full power. This includes digital modes 
like FSK441 and JT65A on 6M, and lots of RTTY on the HF bands.

73, Jim K9YC


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