[Elecraft] KPA500 Power In Digital Modes

[Michael Eberle]

On 11/10/2014 5:56 PM, mcduffie at ag0n.net wrote:
> On Mon, 10 Nov 2014 09:34:09 -0800, Jim Brown wrote:
>
>> 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.
I cannot get my KPA500 to run more than about 200W on 6M without getting 
a PA DISS fault.  Temp is not even up to 60C yet.
Between that and the KAT500 coming 'untuned' and faulting in the middle 
of a QSO on 10M, I'm about ready to throw them both in the
trash and go back to my tube amp.

Mike
KI0HA