Running Sound From Imac To Stagescape Interference
Posted 11 January 2014 - 09:29 AM
...But our crystal ball is at the workshop for its (truly major) once in a millennium service, so we can divine neither what "static interference" might mean, nor the exact details of your audio connections.
I'll try to help anyway, but please be patient if my guesswork proves to be totally wrong.
I'm guessing that
- You've "male to male" cabled directly between two unbalanced, stereo mini TRS "headphone" jacks, the first being the headphone output at the rear of your iMac, the second being the M20d's "Aux In" that you've mentioned ...and...
- That the "static interference" in question consists mainly of a deep bass "hum" that possibly also has a "spiky edge" to it.
Should that indeed be a fair summary of your situation, your unwanted racket is almost certainly mains hum from what's known as an "earth loop".
While deriving the mains for your audio gear from separate outlets of something like this relatively cheap device http://www.amazon.co.../dp/B0002D017M/ will probably cure that problem, the more expensive "fully isolating" types, such as this http://www.bhphotovi...er_Station.html often end up being far better value, in that they definitely eliminate mains hum, ...while also "tidying up" many other issues that seem to invariably bedevil multi-media devices, computers and phone lines.
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