Colin, It should not get that hot that fast. Do you have the fan installed the right way around? Is the fan running? Is the bias for the power module correct? - your DMM may read 0.02 volts or 0.020 volts depending on the number of digits it displays.
73, Don W3FPR On 1/7/2011 6:25 PM, Colin VE3MSC wrote: > I've built up all 3 XVs, and find the 432 the hottest of the bunch. > What are you doing to manage the heat ? My output power drops and > the case hits over 60C / 140F if I run for a minute at about > 10W. (Attenuator not a factor as driving at low level). > VE3MSC Colin ______________________________________________________________ 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