Introduction
Easy fix to remove noisy and annoying AC hum caused by ground loops.
What you need
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My system emitted a very loud 50 Hz AC hum which made it impossible to hear music
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It is caused by ground loops which occur if the receiver and the speakers have different ground levels
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To equalize the ground levels at the back of the receiver is a screw to apply a ground cable. Fix a cable there
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Almost done!
To reassemble your device, follow these instructions in reverse order.
Conclusion
To reassemble your device, follow these instructions in reverse order.
