[Elecraft] KPA500/KAT500 paired with AL-1500?

[German Duran]

Someone works the K3s with the ICOM IC-2KL amplifier?
Best regards for all.
German HK3J

El sáb., 22 oct. 2016 9:55 p. m., Mark E. Musick <markmusick at sbcglobal.net>
escribió:

> Good question John.
> You have to use the KPA500 KEY INTERRUPTER in this situation. It is
> attached
> at the KPA500 AUX. The AUX cable goes from the K3 ACC to the KEY
> INTERRUPTER
> that is plugged into the KPA500 AUX. If you have the KAT500 as I do the AUX
> cable goes from the K3 ACC to XCVR on the KAT500 then an AUX cable from AMP
> on the KAT500 to the KEY INTERRUPTER plugged into the KPA500 AUX.
> Then to control each amp's keying I have a RCA Phono Y plugged into the K3
> KEY OUT. One side of the Y goes to the 9500 KEY IN. The other side goes to
> the KPA500 PA KEY or top RCA Phono PTT RLY connector on the KAT500 if you
> are using a KAT500. Then a key line jumper from the bottom PTT RLY RCA
> Phono
> connector on the KAT500 to the PA KEY on the KPA500.
> When both amplifiers are powered up, the one not being used is in standby.
> When in standby the amp will not be keyed.
> I hope all that makes sense. If not, let me know and I will try and clarify
> it.
>
> Mark, WB9CIF
>
> -----Original Message-----
> From: Elecraft [mailto:elecraft-bounces at mailman.qth.net] On Behalf Of
> john at kk9a.com
> Sent: Sunday, October 23, 2016 12:29 AM
> To: elecraft at mailman.qth.net
> Subject: [Elecraft] KPA500/KAT500 paired with AL-1500?
>
> How do you control which amp's relay engages during TX?
>
> John KK9A
>
> From: Mark E. Musick
>
> I do this with my Alpha 9500. But differently than K9YC.
> I use the two antenna ports on the K3 and an Alpha Delta 2 position switch.
> Antenna one on the K3 goes to the KPA500 input. Antenna 2 on the K3 goes to
> the 9500 input.
> The output of the KPA500 goes to position one on the Alpha Delta switch.
> The
> output of the 9500 goes to position two of the Alpha Delta switch. The
> common of the Alpha Delta switch goes to the antenna switch.
> When I want the KPA500 the K3 is on ANT1 and the Alpha Delta switch is on
> position one.
> When I want the 9500 the K3 is on ANT2 and the Alpha Delta switch is on
> position two.
> Since the K3 remembers power by band and antenna, when I'm on the KPA500
> regardless of band it has the correct power setting to give me 500 Watts or
> 200 Watts on 30 meters. When I'm on the 9500 the K3 has the correct drive
> power for the 9500 for that band.
> That is how I do it and it works for me.
>
> Mark, WB9CIF
>
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