[TowerTalk] Array Solutions Lightning Arrestor

Jim Brown jim at audiosystemsgroup.com
Mon Jan 22 14:10:13 EST 2018

In my experience, they fail shorted, so it's pretty obvious. :)  
Although the app notes for both the ICE and Array Solutions products say 
that they don't always fail shorted.

The design is based on this one, which Array Solutions used to sell, but 
the ICE owner died several years ago. The circuit is shown in the link 
below.  The great thing about this circuit is that the inductor 
continuously discharges static.


73, Jim K9YC

On 1/22/2018 10:51 AM, john at kk9a.com wrote:
> Until K9YC's post I was not aware of the Array Solutions lightning
> arrestor. They appear be a nice product. How do GDT's fail - open or
> closed? If open, how do you know that they need replacement?
> John KK9A
> K9YC wrote:
> I strongly agree with Bob's advice, EXCEPT that I've gotten really tired
> of replacing Polyphasers on my high wire dipoles. I've recently switched
> to the arrestors that Array Solutions sells, both because I like the
> circuit better and because the gas discharge tubes are user replaceable.
> The Polyphasers are feed-through types mounted to the entry panel. The
> Array Solutions are mounted in a big Hoffman box, for which W6GJB built
> some custom mounting brackets. It's mounted to the wall next to the
> plate with the Polyphasers, with two 2-in PVC conduit stubs going
> through the wall and holes drilled at the bottom of the enclosure for
> coax entry.
> 73, Jim K9YC
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