[Elecraft] K3 with switching power supply??

donovanf at starpower.net donovanf at starpower.net
Thu Feb 16 20:09:39 EST 2017


Hi Jack, 


Your RS-25M be trouble free for many years as long as you don't 
allow the heat sink to get very hot. 


73 
Frank 
W3LPL 

----- Original Message -----

From: "Jack Colson" <jcolson7 at tampabay.rr.com> 
To: "Kevin" <kstover at ac0h.net> 
Cc: elecraft at mailman.qth.net 
Sent: Friday, February 17, 2017 1:04:21 AM 
Subject: Re: [Elecraft] K3 with switching power supply?? 

Ii have been using the Astron SS-25M for 7 years with my K3 (s/n 11xx) and notice no issues with noise. The same is true with my VHF and UHF transceivers. 
73, 
Jack, W3TMZ 
> On Feb 16, 2017, at 7:40 PM, Kevin <kstover at ac0h.net> wrote: 
> 
> If the Astron ain't broke keep it. There would have to be a real good reason, like parts becoming unobtainable, for me to consider getting rid of my Astron. If they break they are dead simple to diagnose and fix and no chance of making noise like a switcher. 
> 
> 
> On 2/13/2017 12:51 PM, NOEL POULIN wrote: 
>> Hi, 
>> I am using a standard linear power supply with my new K3S. 
>> Anyboy using the ELECRAFT SWITCHING POWER SUPPLY WITH THE K3S???? 
>> I am on the way to change my old Astron RS35M power supply.... 
>> Which one is better?? Linear or Elecraft Switching power supply???? 
>> Thanks 
>> Noel 
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