The KPA500 will give you 12-13dB gain. So your 15-watt K2 will give youi 200-300 watts out of the KPA500. I use my KPA500 at 190-200 watts output on 30 meters when I need a little extra "oomph". I drive it with about 10 watts with my K3.
Phil - AD5X ______________________________________________________________ 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