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- A common mode current will flow in a ground loop created by an electrical system that has grounds on different voltage potentials.
- This results in a 50 Hz hum in the audio signal.
- The most common method to solve these problems is an audio isolation transformer such as the TR2060 which always need to be in reach for every audio technician.
- When ground loop problems are encountered, these can be solved in a jiffy, by using the TR2060.