Question about Audio Technica Audio-Technica AT4040 Professional Microphone
I'm getting a constant ground hum noise. how can I trouble shoot this specialized cable. Is it continuity from all ends to ends? Anything else I should pay attention to. Thank you!!!
You can test the cable from connection to connection for continuity from end to end. There should be no resistance( a complete short) If the cable is good, there is a bad or broken connection inside the mic. Good Luck
Posted on Jun 23, 2007
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Disconnect the input(s) and see if it hums in the absence of an audio source. A bad audio cable shield or unwisely-routed audio cables will allow entrance of unwanted signals from external power sources, magnetic fields, even dimmer-controlled track lights. Sometimes, simply reversing the orientation of the ac power plug can eliminate humming.
Reverse the cables Left to Right to see if it stays with the cable or the input channel. Follow it back to the source, isolating in the same manner. Eventually you will find the entrance point of the hum. Freqquently a cable
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