[Amps] What am I missing....balun

Jim Brown jim at audiosystemsgroup.com
Thu Feb 16 13:31:04 EST 2017


You're not missing a thing, Jim!  This emperor has no clothes.

73, Jim K9YC

On Thu,2/16/2017 9:58 AM, Jim Thomson wrote:
> https://www.arraysolutions.com/index.php?_route_=as-50-1din-20k
>
> What am I missing here ?   Appears to be 2 turns through  6 x type 31 cores.
> These are standard 2.4 inch OD cores.   Coax is just  RG-393.   The mess
> of caps on the balanced end is to tune out the xl of the threaded brass
> material used to go through each insulator.   Rated for 20 kw cw, and 40 kw ssb,
> from 1.8  to 30.0 mhz.   12 x 6 x 4 inch nema box.  Box appears to be aluminum.
>
> I cant fathom how this would have enough Z or RS to be effective on any band, maybe
> 10m.
>
> Jim  VE7RF
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