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Heathkit DX60 overmodulation prevention mod




 
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Author Topic: Heathkit DX60 overmodulation prevention mod  (Read 7242 times)
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K4TLJ
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« on: February 04, 2009, 07:50:38 PM »

Here is schematic of the audio section of a Heathkit DX-60 with the mods I made. No more 'muddy' sound. I also added an over modulation clamp and indicator. Just adjust mike gain while speaking normally until the led just stops flashing.


* DX60AudioChanges.jpg (43.79 KB, 800x463 - viewed 1461 times.)
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Regards
Terry
K4TLJ
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