Syd, If your KPA100 has red toroid cores at L15 and L16, install KPA100UPKT. That kit will upgrade any level KPA100 to the latest. If you do not have a shield over the speaker magnet, add the KPA100SHLDKT as well to upgrade your shield.
Those mods will add significantly to the stability of the amplifier, and I highly recommend them. Those mods were specifically created to address a tendency to oscillate a little above the 40 meter ham band under some conditions. If you operate with an autotuner that tendency to oscillate is quite high. 73, Don W3FPR On 3/31/2012 4:17 PM, Syd Smith wrote: > I recently became aware of the Rev D upgrade kit for the KPA100 at > Elecraft. Where can I find a description of the changes and a > recommendation of why I would want to install this kit in my Rev A > amplifier which works FB. > ______________________________________________________________ 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
