I use an IOTA DLS-55 SMPS power supply (https://www.iotaengineering.com/ dls55.htm). It provides 55 amps, doesn’t produce RFI, is audibly quiet, and rugged. Mine is mounted under the radio table and is on 24/7/365.. I never hear it. Iota also makes them in other output currents and voltages.
Ken WA2LBI On Sun, Jun 9, 2019 at 3:27 PM Bob McGraw K4TAX <[email protected]> wrote: > I find Mark's point very important. Obtain and use a supply which is > more than adequate for the service or load. Thus a 25 amp supply > feeding a radio drawing 20+ amps will need lots of cooling. This is > not the way to do it. Get a 50 amp supply for a radio drawing 20+ amps > and the fan(s) will likely never come on. Go the cheap way and get > the cheap results. Do it right and be happy. Don't be a cheap ham > and then complain about the product you purchased. > > There is more to choosing a power supply than volts and amps. How about > duty cycle? And CCS rated supplies vs. ICAS rated supplies. Humm....... > > 73 > > Bob, K4TAX > > > On 6/9/2019 2:12 PM, Mark Murray via Elecraft wrote: > > Peter, > > > > Check out the high amperage 13,8 volt power supplies offered by Samlex > > America at the following link, and in particular their 100-amp -plus > > (continuous) supplies where the fans do not activate for low draws. You > had > > mentioned something about price not being so important. These ain't > cheap. > > 73 de Mark .w2or. > > > > ______________________________________________________________ > 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 > Message delivered to [email protected] ______________________________________________________________ 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 Message delivered to [email protected]
