Thanks Jim. The preamp is still not functioning but that does describe the sound.
Keith Sent from my iPhone please excuse typos On Dec 10, 2011, at 6:04 PM, "Jim Wiley" <[email protected]> wrote: > 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

