I'm certainly having my troubles with this new KPA500. The level of hum is unacceptable.
The manual says it is normal to hear hum. With 20 w drive I'm getting 350 watts out but the hum is horrendous when I send CW. SSB not so bad. Is this level of hum normal during keydown? It's room filling! John K7FD ______________________________________________________________ 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 Message delivered to [email protected]

