Thank you to everyone who responded both on and off the list - there were about 2 dozen responses with many suggestions and much good information (just what you'd expect from the Elecraft community).
The top vote getters were the Alinco DM-330MV, Astron SS-25, the Samlex SEC1223 and the Gamma HPS-1. From my perspective the HPS-1 wasn't really in the running - while it was recommended by quite a few people, I don't need something quite that small and I wanted a power supply that could provide at least 20A continuously. The choice between the other 3 power supplies was more difficult since all three were highly rated in the QST reviews (and an extra thank you to those of you who referred me to the QST reviews). I eventually decided to go with the DM-330MV. While it is more expensive than the SS-25 or SEC1223, the variable voltage feature and front terminals gives me the option of using it as a test bench supply. Hooking it up to my K2, it's very clean on all band from 80m on up. On 160m, there are birdies on the lower half of the band - but the power cable from the supply to my K2 currently runs right next to the coax and ground cables and very near the balun connecting the ladder line to the coax, so repositioning the supply and power wire it should reduce the problem (and the DM-330MV's adjustment to move the birdies works very well, but I'd rather not have to have that additional adjustment)... But the bottom line is that I'm rarely on 160m anyway. Thanks again for all of the advice and information. Bob W1SRB -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Solosko, Robert B (Bob) Sent: Friday, May 25, 2007 10:04 AM To: [email protected] Subject: [Elecraft] Switching Power Supply Recommendations Wanted Hi Elecrafters, I just sold my big, heavy linear power supply to replace it with a small, light weight switching supply that I can pack into a suitcase with my K2/100. Looking at the eham.net reviews, comments on all of the switching supplies seem to range from "great, absolutely no switching noise" to "noise everywhere", and everything in between. Given the sensitivity of the K2's receiver, is power supply switching noise likely to be more of a problem with the K2 than with some other rigs? Are there any switching power supplies that you'd recommend that work well with the K2 (and have little or no switching noise that the K2 would pick up) and are there any that I should definitely avoid? Thanks. Bob W1SRB _______________________________________________ Elecraft mailing list Post to: [email protected] You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com _______________________________________________ Elecraft mailing list Post to: [email protected] You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
