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General Asylum General audio topics that don't fit into specific categories. |
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General Asylum General audio topics that don't fit into specific categories. |
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In Reply to: Balance vs rca inputs posted by tz7 on April 17, 2021 at 09:10:31:
Balanced connections can be beneficial even with relatively short cable runs in certain situations. It's not JUST about mitigating airborne EMI/RFI noise.For example, balanced connections can eliminate audible hum from ground loops that might exist in your setup. These are not airborne EMI/RFI but ground potential differences between interconnected equipment. This is common (but not exclusive to) AV setups where Cable or Satellite TV equipment is part of the audio system.
I have personal experience with this in our previous home where the CableTV ground was at a different potential than the AC mains ground and all of my audio gear. Two ways to solve the problem: Isolate the CableTV coax through transformer or capacitor coupling. You can buy devices that do this. Use balanced interconnects to null out the hum. Or both.
Edits: 04/18/21 04/18/21
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- RE: Balance vs rca inputs - AbeCollins 06:32:36 04/18/21 (0)
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