[R-390] Power Cable Hack

Barry n4buq at knology.net
Tue Jan 12 09:21:14 EST 2010


That's a good idea, but it doesn't solve the problem with the leaky line filters.  The solution I used replaced the old filter with a modern, IEC-based line filter that uses the existing bolt/screws with no hacking required (just soldering).

Regards,
Barry - N4BUQ


 On Tue 12/01/10  3:05 AM , "Don Reaves" don at reatek.com sent:
> Good Morning all.
> 
> I use $2 computer pigtail extensions - female to male IEC cables, short as
> Ican get 'em to attach to the back of my receivers. These pigtails are
> usually 1, 4.5 or 6 ft in length and were designed for computer and
> monitorpower cable extensions(IEC-320-C14 to IEC-320-C13). I cut the cable and
> useabout 6 inches of cable on the male end wired directly to the terminal
> stripof the R-390A, or to the appropriate screw on connector for the
> R-390/391/389.  This works for other older gear too, especially
> militarygear.
> 
> This allows quick power line disconnects for moving or maintenance, I
> don'thave to deal with dangling power cables or unscrewing clumsy connectors,
> andI can use a standard, ubiquitous business machine power cable of
> appropriatelength to suit my rack, cabinet, or desktop. 
> 
> No hacksaw, drills, or nibblers required.
> 
> Here's one prepared for my R-389:
> http://militaryradio.com/Images/Cable/R390-IEC.jpg
> Here is one extension cable source:
> http://www.mpja.com/prodinfo.asp?number=18042+CBThere must be thousands of places to buy these.
> 
> Don




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