So nothing much has changed to cause this that I know of, apart from maybe the addition of a pair of Adam A5x (These were shipped with euro plugs, with UK adapters, I don't know whether this could be a factor)
Anyway to the issue, I'll explain my setup/signal flow so you have an idea
Imac (Mid 2011) > Akai EIE Pro (Ind outs to mixer) > Boss BX800
(There are other things in the chain, but with everything unplugged and moved away I still get noise)
So basically, If I run directly out the soundcard into the speakers, nothing, deadly silent and no issues.
If I go from the soundcard into the Boss mixer, wham, smacked in the face with a load of digital noise, mouse movements, whirring, all sorts. (I have tried plugging the mixer/soundcard into various sockets in the room, doesn't matter where they're plugged in, problem remains)
So I thought it could be the soundcard, but if I go from the soundcard to my Xone:22 mixer there is no noise, I also tested an old Behringer DX700 mixer, there is noise but no where near as much as with the Boss.
Now as the EIE Pro is powered, it can run without the computer on, so when I run a stereo out from the akai to the Boss mixer (with the computer off) there isn't any noise, then as soon as the computer is turned on, back to having noise again (You can hear the hard drive get up to speed)
I have also bypassed the soundcard and done a straight out of headphone to speakers, and fine, no noise.
So I'm slightly at a loss as to how to sort the issue, any help would be greatly appreciated.
If you want me to clarify anything just ask.
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