electricity

(TL;DR Does the proliferation of power bricks used by the new generation of small Chinese boxes cause more of a problem as far as dealing with the rat's nest of wires hidden on the floor or at the back of the equipment shelf?) I'm planning to move from my legacy 1970s-1990s traditional large...

I am illiterate in electrical and electronic engineering, so I barely know Ohm's law, so bear with me. I am trying to calculate the best gain settings when using the A90 Discrete with the D90SE in 5.1V mode. I am using this image: I want to calculate the best gain possible if my DAC can...

I've read about the PS Audio P12 being ineffective on this site. I also watched the YouTube video with the PS Audio Noise Harvester not doing anything useful. Power conditioners can be sold for hundreds of dollars or a lot more! Do these products actually clean your electricity? And if so...