[Elecraft] Amp for a K2

[Guy Olinger K2AV]

I have a KPA100 and KAT100 in an EC2 to go behind my K2/10 + battery when I
am using it in the shack. It is absolutely seamless.

There are some danger, danger issues with the cabling, like do not use a
normal RS232 cord from it to a PC...destructions. Only the three basic
RS232 leads are for computer. The rest of the pins are used to talk to the
KPA100 and KAT100. The DB9 connection on the back of the K2 is proprietary,
period. I have a split cable that breaks up into a regular three wire RS232
>From K2 to the computer, and another cable from K2 to the KPA/KAT100.

You can build it or occasionally an already built KPA/KAT100/EC2 will show
up for sale, or a WTB posting can stir up one gone surplus. The latter is
how I got mine, third hand, originally built by one of the first to ever
make one.

I don't have anything else like my K2/10/Battery. In simply awful 160/80m
situations very close to 50 kW BC stations, where the analyzers just give
up, I can use the portable battery K2 and tune something by SWR. Can
directly test an antenna and listen to received signals. I'll be keeping
mine. The only conversion I might try is to a lithium ion battery pack with
smart charger and solar panel controller to replace the stock SLA.

So the back-end PA/tuner allows me to use the K2/10 in the station with a
very simple hookup to the EC2, and the EC2 retains all the fixed station
hookups. The K2 with the back-end is a good 2nd radio in a contest. And
plenty good enough for casual if the K3 goes on a trip.

73, Guy K2AV

On Sat, Nov 15, 2014 at 6:46 PM, Kevin Stover <kevin.stover at mediacombb.net>
wrote:

> KPA100 wins hands down.
> The KXPA100 won't integrate with the K2 nearly as well as the KPA100 which
> was designed for the K2.
> There's nothing the KXP100 can do for the K2 that the KPA100 can't
> do....better.
>
> --
> R. Kevin Stover
> AC0H
> ARRL
> FISTS #11993
> SKCC #215
> NAQCC #3441
>
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