As I've said, the closest, and at least scientifically based competitor to this is Richard Gray's Power Company.
Anyone actually compared the two?
Add-Powr Power Conditioner Review
The owner of Add-Powr was doing business previously as QRT making a very similar product until he sold it to Nordost. The Add -Powr products are unique in that they upgrade the power in your walls, not just what you plug into them. This review is for the $$ flaghship product but they have many others on their website.
I use two of his products (one from thge QRT line and one from Add-Powr) in my system and the benefits are cumulative, here is the review of the "Sorcr" in hifi+
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I tried the Sorcer unit last year. I read a positive review and called the owner (he is local here in Southern California) . He was very generous with his time explaining how he thought the unit works but I really didn’t understand anything he was telling me. I kept the unit for a couple of weeks trying different configurations. Unfortunately I couldn’t hear any difference in my 2 channel setup or my home theater system . I discussed with Bill and he was surprised I couldn’t hear any improvement. I returned the unit for full refund. I do have a Torus RM20 Bal isolation transformer and have dedicated Powr lines to the equipment. The system is particularly quiet so should have heard any changes. I’m sure the units have worked well in other’s systems as described in previous posts but it doesn’t work in all systems. |
@erik_squires Objective measurements have been made by Coherence Systems. Just ask them. Do yourself a favor. The spectral analyses definitely reveal consistent signal boost across the board. I can say that acoustical sound level measurement reveal significant differences. The increased dB reading is minimum .25dB. This is not "gobbledygook masquerading as technobabble". It is a real phenomenon backed by laws of physics. Perhaps the problem is you - and your inability to comprehend a concept or idea? Or is it ignorance? "Harmonic resonators... where haven't I heard that a lot before in a hundred different ways... You can't resonate if you have nearly zero input/output. " That is where you are wrong. This is not an input / output black box device. It is a parallel device. A signal is impressed upon the AC line. From Fourier comes the harmonic series. This is what provides the driving force to resonate with signals. "At best it sounds like Richard Gray's devices." So very, very different. There is no comparison sonically. Like the Coherence Systems says, ADD-Powr are harmonic resonators - a new reference. A new reference for signal and dare I say, power conditioning! Whoa! @ozzy +1. Well said. @lxgreen Your experience is uncommon. The unit does work...it does effect a change to audio systems. If not, then either the unit was faulty, the installation was an issue, or there is an issue with the subject doing the listening and auditioning.
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