I'm an old network guy, and have added "elimination of all parallel conductor cables" to my TODO list in favor of UTP/STP. Bottom Line: I want to quiet my "shack" as much as possible such that any significant RFI has to be external...
______________________ Clay Autery, KY5G MONTAC Enterprises (318) 518-1389 On 6/20/2016 10:51 AM, David Ahrendts wrote: > Gents, that’s my setup also with K3S #10125, and I’m convinced the > Powerwerx SS-30DV is a stable, quiet, top-notch amp recommended by the > fine people a Elecraft (it’s what they use on the road). However, > thanks to some great advice from people here, I have eliminated the > black-red zip cable from all uses in my station. Zip line, or for that > matter, any parallel cable, like monster speaker cable, is highly > susceptible to RFI. This was a lesson from the early days of stringing > telephone cable. The solution: twisted pairs, and even better in 2016, > _shielded_ twisted pairs. So every power cable has been replaced in my > station with shielded twisted pairs, further protected with ferrite > snap-on beads. Even further, I’ve eliminated every switching power > supply nearby. It has helped immensely. > That said, some of those pesky slowly drifting S9+ noise bumps still > live! > > David A., KK6DA, Los Angeles > ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
