My fans are just audible. My shack is quiet. They even come on occasionally in receive mode. I like the idea I can hear them. I know they are working :-). -- View this message in context: http://elecraft.365791.n2.nabble.com/K3-K3-fan-noise-part-XXLIV-tp5091127p5118994.html Sent from the [K3] mailing list archive at Nabble.com.