I just noticed that Hans has released a SSB beta firmware update for the QMX and QMX+. This is only for the brave.
https://qrp-labs.com/qmxp/ssbbeta.html
The question is, 'am I brave enough?'
The answer is yes!
I firstly, modified a microphone that was in the junk box. The original curly cord had perished in the tropical climate. And then I gave it a quick test.
An update to the firmware was released (as I was on the site). This fixed a number of bugs, so I loaded the firmware (1_01_002 SSB Beta) into the QMX. After reading Hans's calibration notes I duly followed them, with a dummy load connected. The calibration does take a while, (as mentioned in the notes). After the calibration a quick test and the QMX just works, as it should.
This is an amazing achievement by Hans and all credit goes to him. It has been worth the wait!
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| Calibration screen showing 20m USB Sync |
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| The QMX, now with a mic! |
Note: there has already been another update to the firmware. (21 March)
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