My kit built hums but only periodically - more like a cycle and certainly not a continuous hum. When it happens I can fear it if the room is quiet. Capacitor recharging?
On Jun 11, 2013, at 12:13 PM, Stan AE7UT <[email protected]> wrote: > I have a kit-built KPA500 that has the same issue. > It's well grounded and all the bolts are tight. > The humm is barely noticeable when off but definitely there. > > 73 > Stan AE7UT > > > > -- > View this message in context: > http://elecraft.365791.n2.nabble.com/KPA500-Hum-when-off-tp7575069p7575086.html > Sent from the Elecraft mailing list archive at Nabble.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 ______________________________________________________________ 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
