The K2 has a real on/off switch. So always using that to turn it on and off is certainly a good idea.
I am certainly puzzled at these claims of pa blowups. My original pair of transistors is going fine after 9 years and some 30k QSOs. I have removed the heatsink several times while fitting mods, and the last time I replaced the heatsink washers as well, and have never had any problems. I agree that the mechanical arrangement is not the best, but it does the job. 73 Dave G3YMC On 17 Feb 2011 at 3:14, John Ragle wrote: > Am I missing something here? Seems to me that the rational thing to do > is turn on the power supply and let it stabilize (should only take a > second or two), then turn on the K2/K3? Turning a K2 or K3 on and off > using the power supply switch never gives the firmware/software a chance > to initialize or shut down...just like pulling the plug on your computer > might well cause at least mild consternation to the machine! There are > no enormous filter caps in either Kn machine that need to be serviced at > power on. Seems to me that using a non-matched pair of transistors is > much more likely to be the cause of failure, as someone has already > pointed out. http://www.davesergeant.com ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
