<html><head></head><body>The speaker works against ground in that radio.<br>
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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.<br>
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Top of the volume control would work nicely.<br>
<br><br><div class="gmail_quote">On April 8, 2015 9:56:00 PM EDT, Robert Newberry <N1XBM@amsat.org> wrote:<blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">
<p dir="ltr">So setting up my simplex node finally! </p>
<p dir="ltr">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. </p>
<p dir="ltr">What do I do with the other lead of the speaker output?</p>
<p dir="ltr">Thank you.</p>
<p style="margin-top: 2.5em; margin-bottom: 1em; border-bottom: 1px solid #000"></p><pre class="k9mail"><hr /><br /><br />arm-allstar mailing list<br />arm-allstar@hamvoip.org<br /><a href="http://lists.hamvoip.org/cgi-bin/mailman/listinfo/arm-allstar">http://lists.hamvoip.org/cgi-bin/mailman/listinfo/arm-allstar</a><br /><br />Visit the BBB web page - <a href="http://www.crompton.com/hamradio/BeagleBoneBlackAllstar/">http://www.crompton.com/hamradio/BeagleBoneBlackAllstar/</a></pre></blockquote></div><br>
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