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

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You will have to try the alternatives.

Posted by Al Sekela (A) on December 16, 2010 at 15:17:38

In Reply to: RE: Sourcing power? posted by Scottson on December 14, 2010 at 20:49:55:

A dedicated circuit is good, but sharing power and source components on a single circuit is bad. We can't tell how your non-dedicated circuits will work for source components compared to placing all components on the dedicated circuit: too much depends on the details of how the circuits and fixtures were installed, the state of contact corrosion, the noise from non-audio loads, etc.

It is pretty clear that all the power should come from one leg of the incoming service. Check the AC voltage between the hot terminals of the dedicated and non-dedicated circuits. It should be zero if all are on the same leg. It will be about 240 volts if they are on opposite legs.

If you have to use the dedicated circuit alone, look for series filter power conditioning for the noisy source components, and run the power amps directly from the mains.

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