If this is the case one would need to open the outlet box and replace the "exploded" MOVs. Or purchase a new outlet strip, open it up, and install an MOV across each pair of wires (three in all). Try Radio Shack.
Cheers, Alan V31FA ----- Original Message ----- From: "Jim Wiley" <[email protected]> To: "Keith Heimbold" <[email protected]> Cc: <[email protected]> Sent: Saturday, December 10, 2011 8:02 PM Subject: Re: [Elecraft] Shack equipment noise > May not have been your radio at all, but instead might have been a > "surge protected" multiple AC outlet box. I have a few Tripp-Lite > "Isobar" outlet boxes, and if they "catch" a surge, they will make a > VERY loud bang! Fooled me for a while until I figured out what was > happening. Sounds like some has let off a .22 rifle shot under the > operating bench. Dissipating the energy from a big surge take some > doing, and the result is often a very loud bang. Might that have been > what you heard? > > > - Jim, KL7CC > > > > Keith Heimbold wrote: >> Wayne- >> >> I am a bit embarrassed about something that just happened in my shack >> because i think i just blew up my external 6m preamp. >> >> I was putting in line my six meter preamp and using a db15 Y connector >> with my Yaesu Quadra amp on the other connector. I was not transmitting >> and just getting it connected and then I heard a super loud pop. >> >> I disconnected eveything and then tested the transceiver and the amp. >> The K3 is fine but the amp was locked. I turned off the amp and restarted >> it and and it was fine. I reconnected the preamp and put the antenna in >> direct line with the K3 disconnecting it from the amp. The preamp when >> energizes reduces the signal strength. I think the pop came from the >> preamp. It is hard for me to isolate the noise source because I had my >> headset on. For sure it was working for about 20 seconds and then the pop >> occurred. It scared my dogs and myself it was so loud. >> >> I am not sure how I can test the preamp to see if it indeed blown. Any >> thoughts would be appreciated. >> >> Thanks, >> >> Keith >> AG6AZ >> >> Sent from my iPhone please excuse typos >> ______________________________________________________________ >> 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 ______________________________________________________________ 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

