[Elecraft] K2 relay circuit?

[Larry Phipps]

Out of curiosity, how much power are you getting with the ALS-500M and 
the K2?

Larry N8LP



windwing1 at juno.com wrote:

>Does any have a switching circuit for a K2 that will activate the relay in an amplifier? My 11-year-old Kenwood is in for a repair, and it may be a while before it's back in the shack. In the meantime, I'm driving an Ameritron ALS-500M solid state amplifier with 7 watts from my K2.
>That works well but requires me to key the amp relay (I use a pushbutton on a cord) as I key the K2 with the mic's PTT switch.
>The voltage on the amp keying line is 10 V DC, and the current when keying the amp is 120 mah.
>Dave, W6KOW
>K2 # 5120. Sometime in the six few months I'll build the K2 100-watt internal amp.
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