Well, it is not that easy at all. AC to our homes come with lots of noises, distortions and also residual DC current (more and more these days). Residual DC can cause occasional "buzzing" in the system because toroidal power transformers have very low DC resistance at their inputs and any DC input present will cause very high currents to occur. I recommend reading article "Dirty AC Power: Getting It Out of Your (Audio/Video) System" by Roger Sheker for better understanding. Or maybe Paul will explain in some future video what Power Plant actually do and how just transformers and capacitors cannot get rid of all the "dirt" in AC line.

His argument is that the ac from the wall that goes into the amp is noisy and not so regulated

Amir measured the noise and totally misunderstood the reasons why the Power Plant is valuable. It's the tight voltage regulation under dynamic conditions that makes it valuable for what it does. Had he known that and measured that, it would have been a different story. Seems sometimes like Amir is more interested in poking fun at stuff than understanding its purpose, but then that's ok.

@@octaverecordsanddsdstudios1285 -- Don't PS Audio products include adequately "tight voltage regulation" for all the DC rails supplying their audio circuitry? If they do, why would regulating the incoming AC mains voltage be advantageous?

@@editorjuno Our low level products do, of course. Not power amps. Power amps are almost never regulated (their output stages). Moreover, one of the benefits of tight regulation of the voltage is the lowering of impedance - essentially shortening the length of wire connecting your system to the mains. Impedance is reduced by a factor of about 100.

​@@octaverecordsanddsdstudios1285 -- Pardon me, but that sounds absurd. That "length of wire connecting your system to the mains" -- the AC cord-- is only the last meter or so of a circuit likely to include anywhere from 10-100 times that length stretching from the outlet to the service panel over ordinary 12 or 14 AWG Romex or some such -- not to mention the additional cabling out to the nearest pole-mounted step-down transformer. If rigorously regulated DC to an amplifier's output stage is all that beneficial to SQ, why not build the necessary regulation into the amp itself? If I were the customer, I'd resent shelling out $65k for a pair of your wondrous and already ponderous BHK mono power amps only to be told I need another device with a hefty 4-figure price tag in order to overcome a missing, aurally significant power supply capability.

@@editorjuno Well, understood, Bruce but welcome to the world of high-performance audio. Couple of points to consider. Regulating the output stage of a big power amp would likely double the price of the power amp. It isn't as easy as it sounds. Secondly, the only way to lower impedance as I mentioned is by active means and that is, unfortunately, just expensive.

Thank you for this comment.

Well, that is simply not true. Go have another look. It is why we build in a THD analyzer and scope. So people can see the truth. Bear in mind, the changes are limited to 1kHz and below.

It's scary how seriously misleading and deficient so many of you are in your comments and assumptions regarding power and its effects on audio

Paul, my comment was in regards to what appears to be misleading commenters. Will you be comprehensively testing performance at 1khz and far above and publishing those results? Also, I am quite curious to have the opportunity to retest with some additional chassis benefits to see if far greater benefits could result. Wishing the Best. Thank You.

@@davidcross890 The regulation and lowering of distortion is limited to 1kHz and below. So, no, we won't be raising that higher as there would be no benefit. We publish now, on the website, the unit's specs and, as I mentioned, we build in to every unit its own THD analyzer and scope so you can check yourself.

Doesn't affect the performance of anything though. It also wastes power.

My friend has one and it made no difference. He even admitted it makes no difference and he's keeping it just on the fact that it looks cool LOL. It's snake oil at its finest

It also depends on your amp and it’s power demand. For some it makes no to little difference for others it makes audible difference. Clean power may or may not be heard through your amp and dac. Just depends on it’s design. That is why some people say it works great while some say it makes no difference.

@@flargosa the proof in the pudding is listening to it. You are speaking very vaguely and broadly. In 2023 there is a plethora of Hi-Fi products that have extremely good Distortion levels and have a black background. If you had to put a number on it how many serious manufacturers and long-living manufacturers do you think our noisy? In my thirty years of dabbling in audio it's barely anybody nowadays.

@@ryanschipp8513 It also depends on the quality of your home power. If your home power quality has issues then a good measuring audio equipment might not sound the same with your home power. If your home power is already good then power regen might make little to no difference

@@ryanschipp8513 there is one possibility - your friend has very poor system which can not detect any good change

Are you sure you don't have a ground loop or something feeding noise into the system other than the A/C power line?

@@EricBurbeck I have all the system power cable connect to the PP3 and PP3 to wall, 2 other wall sockets are empty not connected to anything. Will there still be ground loop issues ?

Buy two, one for you and one for the Wife for her blender 😀👍🤗😎

What live sound setups typically do today is to have UPS units on all there digital gear, especially the mix consoles. The reason is that unlike older analog gear, digital products often have a reboot time. Consoles today also have operating systems, Windows, MAC, Linux, and we all know how long that takes to boot up. Can't afford even a glitch that would cause a reboot. Their power amps though are usually direct fed.

@@andydelle4509 I'm not sure how many that's using it, but I know some have shown it on rig rundown. I'm not sure if they are exactly the same either, but it's because the electric supply isn't always perfect. 🙂 Computers and glitches can be a nightmare, let's hope they have back up in airplanes as well. 🙈😂

At the end of the day, that is what counts. I got the same report from someone in the DIY community whose hearing skills I respect. If power cables and dedicated lines can improve sound, I suspect the power plant has the potential to be significant. Do you still see a difference in power cables between the power plant and your electronics?

I beg to differ. My friend has one and we also did blind testing and it made no difference. Also I've got three rigs at home with no power plant in any of them and they all have an absolute black background. All you're doing is trying to justify your purchase

@@ryanschipp8513 Equally interesting. I conclude its useful in some circumstances. Let's hope they have a trial period no question return. But no justification here. I don't use them, just interested from the sidelines.

An A B test shows nothing. You’re imagining these differences, I suggest you do a doubleBLIND test and record yourself if you can tell the difference 9/10 times. A whole suite of precise measurements has shown ps audio’s powerplants do nothing for AC quality.

@@ryanschipp8513 I agree Ryan. I've looked at the ac sine wave coming out of the wall on a scope and it looked perfect. Any imperfections or distortions would be smoothed out by the filtering capacitors in the power supplies of your audio equipment. This ac regeneration reminds me of the overpriced silver speaker wires and the overpriced interconnects etc.

I bought one and it made a huge difference. Stopped a hum from My speakers. Plugged them direct into the wall and it was back. So yeah they do make a difference, but if you’ve got perfectly clean power, then it wouldn’t make much, if any difference. I still think it’s worth getting the cheapest one though to plug in everything except big amps jist for clean cable management

@@Obsessioncardetailing this sounds much more reasonable. Others are saying Imaging, soundstage, vocals, are all improved. That's a bunch of malarkey

@@Obsessioncardetailing but maybe you should have tried $500 power conditioner before dropping thousands on Paul's trinket.

@@ryanschipp8513 I did. Power conditioner didn’t do much. It’s nice though so I kept it to plug TV etc into. And I have the P3 regenerator, the smallest one, which isn’t that expensive

@@ryanschipp8513 well if you can rid of hum and noise from the speakers, then I can see how it might affect the overall sound quality resulting in better imaging, clarity, bass and all that. I know that when I got a cheap LPS for my project tube phono stage it was a massive improvement over the standard power supply. Even had my wife swap them over for me and I was able to pick it every time. So yeah I think power definitely matters

Very true...Czech Republic.

Another indicator that Paul is istuck in 30 years ago. 😂

Who cares what it’s called. It’s an irrelevant country.

​@@UfukDirim proof that they literally pull these "letters" out of their A$$ in order to sell products. Just like the police will investigate themselves and find no wrong doing. PS Fraudio will include a screen that tells you exactly what they want you to see. So very nice of them and humanitarian and vegan and rainbow colored. Remember, the so-called "question" was, "have you got oscilloscope measurements to show us" and his answer was "well, yes" but all he did was point to a black screen that has been proven to be nothing more than a graphic art piece. Just ask Amir over at Audio Science Review. This is, in my estimation and opinion, thousands of dollars worth of door stop and just another big pair of handles to look impressive in the home of people with more money than sense. 👍

@@UfukDirim what are the other indicators?

It's hardly "worse" and definitely better. That's why we build in a THD analyzer as well as a scope on the front panel of our bigger models. Audio Science missed the whole point of the Power Plant somehow thinking it was like a power conditioner designed to filter noise. It is not. It is a dynamic voltage regulator that produces a new sine wave that is low distortion and tightly regulated.

Yeah, it "produces a new sine wave that is low distortion and tightly regulated" -- which has zero effect on the DC output of a *properly* *designed* amplifier's power supply and, absent confirmation bias, no audible benefit.

"No difference" is simply not true. The powerplant had a more uniform sinewave than the AC mains and the powerplant had lower distortion than AC mains, per the ASR review.

So if these things are so great why are there three of them on audiogon for sale right now?

@@ryanschipp8513 ? What do you want to say with that? A product is only great if nobody ever wants to sell it? I would not sell mine ever. I would first sell some cables, after that Transport, preAmp, Amp and look for cheaper stuff before getting to that powerplant. Only my DAC and the speakers are above the PP20

@@77MovieFan That's just absurd. The way Paul talks about it he acts as if it was sent from the heavens. Based on that no one should ever want to sell one. You obviously haven't done any double blind AB testing. The first song you heard you made a huge difference? That's called placebo effect. Just because something was new in the system your mind wants you to think something sounds different.

@@ryanschipp8513 so you know my system and listening experience better as myself, interesting I had ~800hrs to listen to my system, learning what it does, how it sounds with all my fave songs. Even on that same evening when my Dealer and friend integrated his PP20 i could hear clearly what that component changed, we did listen another 3 hrs and i liked the bigger vocal image infront of me and the clarity so what are you talking about? I didnt expect that this machine could better the sound at all but it did, sadly for my money but good for overall sound of my rig. He removed it and it clearly was noticeable that the vocals or ghostspeaker was smaller again, bit less bass, loss in clarity. Ordered it directly after, had to wait 3 month... When it came i did let it burn-in and now i'm totally happy with it

@@77MovieFan my friend has a power plant and it makes no difference in a system. We tested it. It's snake oil. Obviously you were just trying to justify your purchase and are probably a PS audio fan.

One would think there shouldn't be, but the sound quality isn't the same, the larger models allow for a bigger, more dynamic sound (as if someone took their foot off the garden hose). It's probably got more to do with the regulation (a stable low-impedance source) than the "cleanliness" (the lower distortion) of the AC. I'm not even sure the distortion is all that important apart from the flat-topping, since a well-designed power supply in the components connected to such a device is going to convert it to DC anyways. The larger models may seem like overkill, but listening to the difference, that in itself appears to be the point of the matter. Because on the face of it, using a regenerator doesn't seem to make much sense. Try to get a demo: maybe you're lucky and it doesn't make a difference sonically, and you'll save money. I've heard systems in which the difference was small, and ones where it was such that it seemed to make the price of the regenerator reasonable to non-audiophiles. I personally wouldn't buy one blind without demo.

@@LeonFleisherFan I greatly appreciate the level-headed and thoughtful response.

And lets be clear on the scope measurements as well. What we want to see are A/B scope measurements of an audio device on it's analog output. IOW, an amp's speaker output, A DAC's analog output. The PS Power Plant does clean up the AC power sinewave and lower it's distortion. Just measuring the Power Plant AC output will show a marked improvement. But does that matter? We want to see the effects on the audio signal.

@@andydelle4509 there is none

It is just a search at KZfaq away! ASR have measured it, together with many doubtful products. Audioquest has several of these products. But I always prefer listening at home, if I try new products.

@@jackfalco5351 Right you are.

@@clickbeetle2720 America is always a little behind if you talk about foreign countries but on the other side Czechoslovakia have a slow internet 🤣🤣🤣

It's basically acting as a UPS without battery backup, it's taking mains voltage charging up bunch of capacitors (that are low capacity batteries), and then converting it back into mains voltage but regulated so regardless the input voltage & sinewave it'll always be perfect on the output. So, basically giant UPS without battery backup feature. Nowadays, anyone can get cheap UPS that will clean up a noisy sinewave,be battery backed up, and also display all the ins and outs of everything without looking at the unit.

Exactly

Hahahaha😂❤

"I am bored with my life. I have thousands of dollars to spend to help solve my boredom issue, at least temporarily. 🤔 What should I buy to make me feel all warm and fuzzy inside. 🤔" @David from America: You can't afford it, and you are envious of those that can. And so you illicit admiration from like-minded viewers, under the guise of invoking BS reasons that the product serves. I do not own an electrical re-generator. I wish I did. But I do not trash excellence in engineering, because the product is out of my financial reach. In fact, I praise the brilliant people for their accomplishments, and I am happy for the people that can enjoy the product. Bashing quality products will not turn your envy and your misery into joy. Perhaps for a moment when some other envy-troll joins your crying session. But then it is right back to real life where your envy controls your life.

@@NoEgg4u I just bought a McDonald’s hamburger.👍 I am feeling all warm and fuzzy inside..🤗😎

@@NoEgg4u A re-generator is totally unnecessary for stereo systems, just like the outrageously priced silver speaker wires and the outrageously priced interconnects etc. In case you don't know, Paul is a businessman and a salesman. He is trying to make lots of money for his business by selling his overpriced and unnecessary equipment. Dinna fall for it.

It’s all about what makes you feel good. If lowering your distortion level .0005 makes you feel good..??🤔😀👍🤗😎👑

@@davidfromamerica1871 We hear what we want to hear and the more we spend the more we feel it sounds better. For this reason, don't forget to use very expensive cable lifters if you are a true believer in the sciences of snake oil research.