arcaxis
Well-known member
For the technically minded, some good reads and worth bookmarking....
Scroll down to just a bit over half way down the page linked below to "Hum, Buzz, and RF Interference -- Written for Audio Professionals"
Audio Systems Group, Inc. Publications
Under the heading "AES Papers", this article covers a lot of ground....
http://audiosystemsgroup.com/AES-RFMicrophonesASGWeb.pdf
A few of the microphone articles suggest the importance and methods of the pin 1 grounding, which from the the OP's 'fix' of the problem with a new cable may have been a compromised ground or shield connection in the original cable.
Scroll down to just a bit over half way down the page linked below to "Hum, Buzz, and RF Interference -- Written for Audio Professionals"
Audio Systems Group, Inc. Publications
Under the heading "AES Papers", this article covers a lot of ground....
http://audiosystemsgroup.com/AES-RFMicrophonesASGWeb.pdf
A few of the microphone articles suggest the importance and methods of the pin 1 grounding, which from the the OP's 'fix' of the problem with a new cable may have been a compromised ground or shield connection in the original cable.