[BC] RE: Energy Onix AM Transmitters

Glen Kippel glen.kippel
Mon Apr 23 23:45:36 CDT 2007


I have seen the Armstrong 1-kW next door at KGAM or KPTR, I don't know
which.  It's a nice little box.  Personally, I would put a Powerware FerrUPS
ahead of it to take out the spikes and surges and provide some backup
power.  Get the Extended Run-Time option.  I consider it a good investment.

On 4/23/07, Tom Taggart <tpt at eurekanet.com> wrote:
>
> Scott:
>
> My gut instinct would be to go with either a BE or Armstrong kilowatt AM
> transmitter.
>
> Our former AM uses a BE, and i talk with their chief from time to
> time.  The problem with the BE is that it uses a transformer-less power
> supply.  Hence the power supply has no isolation from any spikes coming down
> the power line during storms (or having a hv distribution line short over
> into the 11 kv. feeder, which has much the same effect as lightning on the
> poor transmitter).
>
> So you really need surge protection for those times when Mother Nature and
> her husband Thor have a knock-down dragout upstairs & start smashing the
> china.  I would be inclined to install a 1:1 transformer on the incoming AC.
>
> I haven't had much exposure to the Armstrong AM transmitter, but I have an
> Armstrong FM exciter.  Their service seems to be good, and the company has a
> good reputation. The price point also is pretty good.
> --
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