Add-Powr Symphony Pro vs. Telos Q.N.R. vs. Audio Magic Large P.E.A.?


I've had good luck with QRT Symphony Pro units (as well as Electraclear units, Bybee QSE's, and Audio Magic power conditioners all using technology meant to produce similar effects), and I have been noticed QRT is revived under Add-Powr and has a newer revised Symphony Pro unit. As well I noticed Audio Magic's P.E.A. units and Telos' Q.N.R. unit are both meant to produce the same effect.
I was wondering whether anyone has compared any of these units (the old QRT Symphony Pro as well if someone has compared these to that particular unit) to one another, perhaps not all but maybe compared a couple of them, or at least has any experience with the Add-Powr, Telos, and Audio Magic units? Any and all help is greatly appreciated.
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Hi, I followed up recently, not on this post, but on the one you made re mad scientist contact treatment formula experimentation.

You responded in fascinating detail, thank you. Oddly, I Audiogon won’t let me reply to your response. I’m trying here, in the interest of continuing the discussion. 
 

in my (failed) response, I offered to provide formula evaluation services on my now quite decent system, or to be involved in some other way perhaps. If you intend to pursue this commercially, I would be happy to sign a non compete document. I’m just fascinated by these less expensive tweaks that can sometimes provide very noticeable improvements.  
 

in no way intended as a means to circumvent Audiogon’s wish to control communication on sale items, I offer (remove spaces) JStClair 442 at msndotcom , or seven two zero 8 seven 68 one 88.

i look forward to further discussion should you be so inclined!

thanks,

james