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Tweakers' Asylum Tweaks for systems, rooms and Do It Yourself (DIY) help. FAQ. |
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Tweakers' Asylum Tweaks for systems, rooms and Do It Yourself (DIY) help. FAQ. |
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In Reply to: A question posted by hatari on June 13, 2007 at 04:21:15:
The main benefit of separate dedicated lines for each piece of equipment is to reduce the coupling of power supply noise among the different pieces. When two pieces share the same line, the noise from unit A's power supply interacting with the line is impressed on unit B, and vice versa. There will still be some coupling at the circuit breaker panel, but this will be much less than what happens in a shared power circuit. The isolation afforded by separate circuits is superior to what any power conditioner could provide.
The individual dedicated lines will still have their own resonance characteristics, which may amplify RF noise present at the breaker panel or originating from the equipment. What I do is plug each of my components into its dedicated line, using the outlet to which the wire is directly attached. I plug an R-C damper into the other outlet of the duplex. The damper reduces the ability of the AC line to resonate.
If you are not able to make your own dampers, AudioPrism makes Quiet Line filters that do the same thing. These filters are also useful on non-audio circuits that have noisy appliances plugged into them.
My system is simple and sensitive to the choice of AC hardware. I don't use surge suppressors with my audio equipment because doing so would introduce an additional set of plugs and outlets into each circuit. I've read that MOV surge suppressors create electrical noise, but I don't have direct experience to confirm this.
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Follow Ups
- A very good question! - Al Sekela 13:50:26 06/13/07 (1)
- RE: A very good question! - pkell44 18:11:38 06/15/07 (0)
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