When I first bought my MODX7 used, I complained to the seller that it was humming like crazy, and wanted my money back. He said to pull out the USB plug. Sure enough, the noise stopped, and I began an amazing journey learning this incredible instrument. Out of curiosity, I did some research into the matter and learned that a great many MODX users have the exact same issue, and the solutions I've seen posted by Yamaha Support have not helped me to resolve the problem.
I am planning on hosting a Live Web Broadcast on the Facebook MODX page, so I bought all the various adapters to send my MODX display to the USB port, but since that produces so much hum, I'm unwilling to do the show.
I've read that some have had various degrees of success working around this (forgive my bluntness) apparent defect in the MODX electronics, but the ultimate solution in my opinion is basically to not use the Main Outputs at all. Is this even possible???
Currently, I have an iMac 2014 running Studio One and have multiple USB/Firewire mixers, including a Presonus StudioLive, a Mackie 16FX Pro, a Presonus AudioBox iTwo, and most recently a Bose ToneMatch T4 which is my current favorite (although it doesn't do stereo very well). I should note that I also have an old MOTIF-RACK XS plugged into the iMac via USB, but can only really play it from the MODX when MIDI Out is enabled.
Could someone please put my naive mind to rest and let me know if it's possible to host my webcast without hum?