Massive problem with audio interface
Hi there.
I recently bought a brandnew iMac 27" Haswell i7. I encountered problems with my Focusrite Scarlett 18i8 audio interface. These are buzzing, clicking and noise immediately or after 3 minutes or so. I tried everything, re-installed the driveres several times, nothing, really nothing worked.
Then I bought an RME Babyface audio interface - and guess what? It's the same problem. I also have a massive sound noise after some minutes or the recording channel in Garage Band drops completely.
What is wrong here? I already tried using a different power plug, tried all USB ports, turned off WiFi, HDD sleep mode, etc. Nothing worked.
Do you have an idea?
I appeciate your help,
Adrian.
iMac (27-inch, Late 2013), OS X Mavericks (10.9)