Jim, just to clarify, I put in the bi-polar replacement finals. We have
some left for repairs.
They are not interchangeable with the MOSFETs.
We had to design a whole new amp around the new MOSFETs, the KPA3"A" vs
KPA3.
You can set config menu "PA TEMP" to a higher number to have the fans
come on sooner.
(this won't help if the fans go to full speed and you still don't have
enough airflow).
Keith WE6R Elecraft K3/K4 Tech.
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