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Tweaks for systems, rooms and Do It Yourself (DIY) help. FAQ.

Line noise versus broadcast noise.

Your dedicated line (singlular) provides some isolation from the problems associated with the typical daisy-chain wiring method on convenience circuits. There are no upstream crappy contacts in series with your audio system, for example. There are no upstream noisy appliances. A single dedicated line will still allow the audio system components to interact through their individual power supply noises, however.

A dedicated line will not protect your audio system from broadcast RF energy, which can come from noisy switching of high-current appliances. What you heard is not a problem, and is to be expected from the proximity of the fan wiring.


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  • Line noise versus broadcast noise. - Al Sekela 13:50:53 07/01/07 (1)

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