[Elecraft] K3 voltage under load

Joe Subich, W4TV lists at subich.com
Tue Jun 2 11:18:55 EDT 2009


This drop is excessive.  With the standard (factory assembled) 
K3 power cable, I see 13.9V no load and 13.2V at 20 A with an 
Astron RS-35.  

I would be concerned ... 

73, 

   ... Joe, W4TV 
 

> -----Original Message-----
> From: elecraft-bounces at mailman.qth.net 
> [mailto:elecraft-bounces at mailman.qth.net] On Behalf Of Harris Leck
> Sent: Tuesday, June 02, 2009 2:08 AM
> To: elecraft at mailman.qth.net
> Subject: [Elecraft] K3 voltage under load
> 
> 
> I am running my K3 off an Astron RS-35M. No load voltage at 
> the rig is 14.0V (per the K3 display). Running approximately 
> 100W this reading drops to 12.3V. Is this the norm? BTW 
> current reads just under 18 amps. The amp meter reading on 
> the Astron is way off.73 Harris K9RJ
> 



More information about the Elecraft mailing list