> Everything you need is already built into the KPA100. The KPA100
> will key a
> positive voltage to ground and the AL-811H has a positive voltage
> on the RCA
> relay connection on the rear which must be grounded to place the
> AL-811H in
> the "transmit" condition. Simply connect a cable with RCA plugs on
> each end
> between the Relay connection on the AL-811H and the "PA Key Out"
> socket on
> the rear of the KPA100. Voila! Have fun! 73 -- Don N4HH K2/100
> #2028,
> KAT100, K1 #1456, etc, etc.
>
> ----- Original Message -----
> From: "JEAN-FRANCOIS MENARD" <
[hidden email]>
> To: "Elecraft - Mailing List Elecraft - Maling List"
> <
[hidden email]>
> Sent: Saturday, August 06, 2005 3:06 PM
> Subject: [Elecraft] Ameritron AL-811H with K2 & KPA100
>
>
> I bought an used linear amp Ameritron AL-811H for half of the price
> of a new one. I just want to make sure I'm right. This is the first
> linear amp like this one I have.
>
> If I want to connect my KPA100 to an Ameriton AL-811H, what should I
> do ?
>
> It seems that Relay control conector behind the AL-811H is keyed when
> grounded, and the K2/KPA100 is keyed when positive !?!?
>
> Thanks for your help.
>
> 73
>
> ======
>
> Jean-François Ménard / VA2VYZ
>
> ======
>
>
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