Darwin, Keith wrote:
> There's the good old fashioned way of doing it. Use a separate receiver. Maybe a KX-1?
>
> My shack is evolving (no Darwin jokes, please :-) at the moment. I'm planning on running the output of my rigs (currently 3) into a mixing board that will feed a single audio filter which will feed my headphones.
This should be easy to build with a single audio integrated circuit.
You will want a pot on both inputs so you can balace the audio. Why the
audio filter? They are not very good.
> This way, I can listen to either rig (or both at the same time) and I don't have to be switching things back & forth. The mixer will also serve as the mic preamp which feeds audio through the outboard EQ and outboard compressor prior to going into the SSB rig.
This might be tricky. I find little written about compression and it
is perhaps simple I don't know. My ATS-3 rig has a AGC integrated chip
in the receiver audio. You might use this as a compressor for
transmitting. But again just an audio amp with lots of output adjustment
should work fine.
> I'll be able to monitor the mic signal before it goes into the rig as well as hearing it through the rig's MON circuit.
>
>
Yes you can build that in with ease.
> Fun!
>
> - Keith KD1E -
> - K2 5411 -
>
> -----Original Message-----
> Is there a 3rd party external "box" that might work? Not that I work SSB very often, but I consider audio monitor to be ESSENTIAL!
>
> -Chris KL9A
>
73 Karl K5DI
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