Hello Dwight,
The External PA Key jack does not source current to drive a relay;
rather, it sinks current from the relay, so you essentially connect your
relay between the +12 volt source and the External PA Key jack. So, if
what you're asking, is how to connect an external relay with a 12
So, having tried and not succeeded, does anyone have a circuit suggestion to
tie in with the External PA Key jack on the kpa100? I need for it to key a
12 volt relay, so I can use it with my heathkit. Some how, Im missing it
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Dwight AI4II
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