Fred: Dumb question, but you wouldnt have one or both of the following conditions:
1 - Fan speed on FN1 for "noise abatement" and not on AUTO, or: 2 - Something like a monitor base or a radio interface sitting over the grille on the top of the radio's cabinet, thus blocking or severely restricting the fresh air intake to the fans? The fans on my rig suck air OUT of the cabinet, and intake air from the top through the grille, over the PA Heatsink fins and then exhaust it out the back, not the other way around... the grille at the top of the radio is the air intake. Kind of counter intuitive (after all, hot air rises) but that's the way it is... I run the fans full blast all the time by setting them at FN4. For me, the more air they move, the better. In my station environment (boom mic headset 99.999% of the time), the noise is not a problem. For transmission noise abatement, there is always TX GATE :) -lu-w4lt- K3 #3192 > From: Fred Jensen <k6...@foothill.net> > Subject: [Elecraft] K3 PA Temp > To: "Elecraft Reflector" <elecraft@mailman.qth.net> > Date: Sunday, January 9, 2011, 1:24 PM > Playing around in the RTTY RU after a > full effort in NAQP CW yesterday. > ? PA temp @100W gets up to about 56C while CQ'ing, so > I backed off to > 80W.? Anyone know how hot is too hot? > > 73, > > Fred K6DGW > - Northern California Contest Club > - CU in the 2011 Cal QSO Party 1-2 Oct 2011 > - http://www.cqp.org ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html