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What the noise sounds like: https://imgur.com/a/nf6K2JH (https://imgur.com/a/nf6K2JH)I have a humming sound which is more or less audible depending on how much I increase the input gain / headphone output - it is also however - perpetually present, as it is visible digitally within software (such as an EQ) - the problem is something to do with either the microphone, or an electrical issue because I have eliminated the other possibilities via trial and error (it is not my computer because the noise is present while the computer is not connected to the interface/ I have used alternative interfaces / I have used alternative XLR Cables / It is not an issue with headphones as the noise is still present without the use of headphones). This noise only happens when phantom power on the Apollo is activated - This noise only happens when there is both ends of an XLR cable plugged in at both the microphone and interface entry points, if either is unplugged the noise stops. After speaking to many people, I was recommended to purchase a power conditoner as the issue may be dirty ac which is creating interference and noise. So I bought a power conditioner, plugged my interface into it, and powered it on, the noise still persists.
Does anybody, anybody at all have a possible solution to resolve this issue? I have been trying for so, long, countless hours sat looking through forums and videos, speaking which people over the phone, nothing I have tried has solved this bane of mine. On a side note, when I touch the XLR cable at the point where it plugs into the microphone, the volume of the sound decreased ever so slightly.
Apollo Twin X
Neumann TLM 103
Furman M-10 X E Power Conditioner
