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I'm sure this will have been covered before but can't find anything exactly relevant with a search, so please bear with me!
I'm using both Ableton 9 Live and Pro-Tools software to record music onto my Intel Mac via both firewire and USB. The USB device is an M-Audio Fast Track, very basic, so I've upgraded to a Profire 610 firewire recording system. I also use a Mackie Onyx Satellite firewire system.
Or, at least I would, if there wasn't a loud hum over everything. It's unbelievably loud and comes through on the recordings much louder than the actual music. If I hold anything metal - the Profire - or touch the Mac, it goes away. It's obviously an earth / grounding issue.
Suggested solutions are to plug the Apple into a different socket from the other items; difficult in a home setup with only two sockets in my study and probably a common earth for both. The interesting thing is that the USB inbox also hums now, which it never did before, not having a power source of its'*own.
I'm interested in this sort of thing: Ebtech - Audio Solutions
BUT: will it work on UK wiring? (Will it work at all???? )
Any other ideas to eliminate the hum? I have £400 software sitting idle because the hardware is letting me down... but I'm not a techie so soldering / wiring / diodes and transistors, as I've seen on other sites, wouldn't be feasible for me.
All help gratefully received!
I'm using both Ableton 9 Live and Pro-Tools software to record music onto my Intel Mac via both firewire and USB. The USB device is an M-Audio Fast Track, very basic, so I've upgraded to a Profire 610 firewire recording system. I also use a Mackie Onyx Satellite firewire system.
Or, at least I would, if there wasn't a loud hum over everything. It's unbelievably loud and comes through on the recordings much louder than the actual music. If I hold anything metal - the Profire - or touch the Mac, it goes away. It's obviously an earth / grounding issue.
Suggested solutions are to plug the Apple into a different socket from the other items; difficult in a home setup with only two sockets in my study and probably a common earth for both. The interesting thing is that the USB inbox also hums now, which it never did before, not having a power source of its'*own.
I'm interested in this sort of thing: Ebtech - Audio Solutions
BUT: will it work on UK wiring? (Will it work at all???? )
Any other ideas to eliminate the hum? I have £400 software sitting idle because the hardware is letting me down... but I'm not a techie so soldering / wiring / diodes and transistors, as I've seen on other sites, wouldn't be feasible for me.
All help gratefully received!