[arm-allstar] AC coupled audio

[Robert A. Poff]

The speaker works against ground in that radio.

I wouldn't use speaker output to drive the node. Bump the volume control and your  levels are all wrong. Hit it hard enough and maybe damage the input of the USB device.

Top of the volume control would work nicely.


On April 8, 2015 9:56:00 PM EDT, Robert Newberry <N1XBM at amsat.org> wrote:
>So setting up my simplex node finally!
>
>I'm using a midland radio which has AC coupled audio like a Motorola. 
>I am
>using speaker audio from my midland. I've read you should not ground AC
>coupled audio because you'll burn up an audio amp. I noticed there is a
>mic
>in AC.  I am guessing from reading the URI documents that audio goes
>here.
>
>What do I do with the other lead of the speaker output?
>
>Thank you.
>
>
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