AB testing of power regenerators?? Ever do it?

Ever since the first grade I've been fascinated by clean power and how it impacts my audio system.  During recess I would escape to a nearby audio shop to see the latest Power conditioners and regenerators.
 

Really?

I'll add that since I have a scope to measure the quality of the incoming power, I check it occasionally, and it doesn't vary much.  Rignt now it is 3.0% distortion (that is a measure of the departure of the incoming sine wave to a perfect 60 Hz sine wave).  It may vary as low as 2 and as high as 4.  but those are all more than an order of magnitude greater than the .1% output.  

This holds true late at night, weekends, and holidays.  It isn't better late at night.  It isn't better on sunday morning.  So those who think their rig sounds better late at night because power is better need to find another theory (alcohol?).  

A regenerator is built around the inverter.  It is very easy to rectify the incoming.  all the cost of a regenerator is in the audio quality inverter to get the .1% distortion.

I challenge people who think going to costco (or Tesla) and getting a battery system will give them cleaner power when they have no specs on the inverter.  most equipment around the house could care less what the sine wave looks like.  Even consumer electronics don't care.  So there is no real reason to put an expensive inverter in these things.  I remember then my dad bought  an inverter that ran off the truck battery to provide 110 to run saws and equipment on the farm.  It literally put out a square wave.

Jerry

@carlsbad2 

Good information about this thing called an oscilloscope.

So I guess it gets down to if you're amplifier doesn't do a good job with the incoming power then one of these things makes sense.  Of course I wonder how how much the sine wave changes via oscilloscope measurement going through a quality power conditioner.

You made a decision to go with A Power regenerator because you're incoming power is deserving of attention Beyond what a conditioner could do.

@emergingsoul No, I made a decision to go with a regenerator because I think power conditioners are mostly useless and can indeed do more harm that good by limiting current.

there are lots of different gizmos called "conditioners". In general they try to "filter" the noise out of the power coming in and in general, that is pretty much impossible. they can do things like filter out high frequencies, and this may help a little, but to reconstitute the 60 Hz signal, you can’t do that with a filter.

And like I said, many of them limit current and that is really bad with an amp. That is the source of the frequently encountered opinion that "the amp should always be plugged directly into the wall". Indeed, it is better to plug directly into the wall than any device that limits current. My first priority in picking a regenerator was to make sure it did not limit current.

Jerry

Ever since the first grade I've been fascinated by clean power and how it impacts my audio system.  During recess I would escape to a nearby audio shop to see the latest Power conditioners and regenerators.

Really?

What's up, @audphile1 , you are not buying that?