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Old 16th July 2014
  #112
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Repair crackling MIC potmeters Motu 828 MKII

I had the same crackling issue on the MIC 2 input of my MOTU 828 MKII.
Reading this thread helped me to recognize the root cause, being the gain potmeter. Thanks to LeeYoo and all other who contributed to this. I also searched on the Internet for a replacement type, but was not able to find any close anough. The reliable solution of replacing the potmeter by 2 fixed resistors was a very good alternative, but I started to think about a reliable solution with which you can still adjust the gain. So I tried another aproach using a rotary switch with fixed resistors.
Hope it helps you as alternative.

Following document describes this approach.

Best regards

Erik
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