[Elecraft] How hot is too hot

[K9OZ@aol.com]

I got the KPA100 running with only minor troubleshooting, and it seems to be 
running like a champ. Gave it a good workout in SS last weekend. But can't 
find anything on how hot is too hot on the heat sink.

If I wait for fan to come on (whether set on normal or low/high) it seems 
like the sink gets pretty warm to the touch before the fan kicks in. The fan 
seems to cool it, hold down heat well. So for the contest I just switched it 
to High fan and let it run.

But tonight in a casual QSO, top was hot again before fan kicked in. Is this 
normal, or should I be checking things twice?

Bruce, K9OZ,



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