Home Tweakers' Asylum

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

Another dedicated circuit will take care of your major remaining issue,

which is coupling of power supply noise through the single shared neutral of your single dedicated circuit.

If you already have the wire in place, go ahead and make it into another dedicated circuit. Power the digital equipment from it, and the power amp from the original dedicated circuit. I believe this will work better than any power conditioner.

You did well to install the heavy cable and reduce the voltage drop in the feed to your power amps. Yes, most power amps will change their bias if the power line voltage changes.


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