Emu XL-7 & MP-7 User's Group

Possibly some sort of ground loop with your PC via the USB cable?  Try
unplugging the cable and seeing if it goes away.

-Aaron

PS. you can't use USB to update the OS.  you have to use good ol' MIDI.

--- Joseph Yorio <josephyorio@...> wrote:
> I tried to load OS 1.32 via E-Loader into my MP-7 and I couldn't 
> figure out how to do it with USB, but that's really not the issue.  
> I gave up and went to go back to working with it and there was a hum 
> that can be heard with the volume up or down, both in the headphones 
> and through the outputs.


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