How to wire KX3 to an Amp

[johnpierce]

I recently purchased a KPA500 with the cable to connect to the KX3.   Can
someone tell me where the plugs on cable that connects the  KPA100 amp plug
into the KX3?  I have been told that that cable can be used to connect to
the KPA500 without the frequency control.

 

John

Ad2F

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[Mark Goldberg]

Are you going to use the KX3, KXPA100 and the KPA500 all together? I can't
help with that as I don't have the KXPA100.

I use the KX3 with just the KPA500. You get about 250W out with 12W in.

You use the ACC2IO cable that comes in the right angle cable kit or
standalone and an RCA to RCA cable.
https://elecraft.com/products/kx3-pckt-accessory-cable-kit
https://elecraft.com/products/e980232_acc2-io-cable-module-config-via-kx3s-acc2-io-menu-item-included-in-the-kx3-pckt-cable-set

It picks up the frequency with the first dit or a small carrier. Hope this
helps or someone else pipes up if you want to use all three together.

73,

Mark
W7MLG



On Thu, Dec 20, 2018 at 1:21 PM John Pierce <[hidden email]> wrote:

> I recently purchased a KPA500 with the cable to connect to the KX3.   Can
> someone tell me where the plugs on cable that connects the  KPA100 amp plug
> into the KX3?  I have been told that that cable can be used to connect to
> the KPA500 without the frequency control.
>
>
>
> John
>
> Ad2F
>
> ______________________________________________________________
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:[hidden email]
>
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
> Message delivered to [hidden email]
>

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[Don Wilhelm]

John,

The Key Out signal is on the ring contact of the ACC2 jack.  You will
need a 2.5mm stereo plug.  Of course the shell is common, and the tip is
the GPIO - see page 5 of the KX3 manual.

If you have both the KPA500 and KAT500, the Key Out signal must connect
to one of the AMP KEY jacks on the KAT500 first, and then use an RCA TO
RCA cable to connect from the KAT500 to the KPA500 Key IN jack.

73,
Don W3FPR

On 12/20/2018 3:18 PM, John Pierce wrote:
> I recently purchased a KPA500 with the cable to connect to the KX3.   Can
> someone tell me where the plugs on cable that connects the  KPA100 amp plug
> into the KX3?  I have been told that that cable can be used to connect to
> the KPA500 without the frequency control.
>
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[Jim Brown-10]

On 12/20/2018 12:18 PM, John Pierce wrote:
>   Can
> someone tell me where the plugs on cable that connects the  KPA100 amp plug
> into the KX3?

Have you considered downloading and reading the User's Manuals for the
KX3 and KPA500?

73, Jim K9YC

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