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| Romy the Cat's
personal site dedicated to advanced audio and evolved music reproduction
techniques
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Ok, looking at the flawless performance of my PP2000 I decided to get the PP3000, which was ordered today:
http://www.purepoweraps.com/pdf/USprices.pdf
As I turn my entire playback on (phonostage and Pacific) I suck 96% from PP200...
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[quote user="Paul S"]Perhaps the PP in the circuit raised the residual current on the neutral and/or ground line(s)? ...shielding might still help with "hum" if the shielding was grounded in a way that dropped ground resistance/residual current o...
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I spent good hour trying to configure and re-configure the system in order to get rid the loop noise. Ironically nothing worked still. I have no noise if I run CD played directly to poser amp, with all of them directly plugged to PP2000 and all g...
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[quote user="Romy the Cat"]
It was an interning event last night. The sound turned incredibly bad from electricity perspective. I did not have anything like this for a year or so it was very bad and it was clearly electrical. The PP2000 was workin...
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Lx, I do not think that my any of my PP2000 or PP3000 were been modified by APS specifically to suit my needs/complaints. Well, I did complain if I see something that is not right but there were (to the best of my knowledge) not customization for my ...
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Well, spent a few more hours to listening Avicenna. Although it has much better sound then from the wall but there are a lot of moments in this sound that I do not like. It is kind of freakish and demoralizing as Avicenna feeds system with absolutely...
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Since the PP2000 works in my playback a bit over two weeks I think it would be worth to mention the changes that I observed after two weeks.
The HF and upper mid region returned back. Not completely but most of it. They returned without mind-oppres...
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Reading all those posts about the PP2000 does something strange (I god a few private emails for different people as well) I kind of feel a gully pleasure – my PP2000 still works absolutely flawlessly – means did not blow and sounds good with no ...
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OK, here are my thoughts for today. Below is a very simplified schematic of Pure Power 2000 regenerator. I do not know if it is, but I think that it is how it works. I do not think that it is different from any other on-line generator. At the li...
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"I do not know where we go from here. I have some clear ideas and some very specific experiments that need to be done with PP2000 but I would like the test were endorsed and underwritten by PurePower""I have a number of very serious engineers on my e...
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[quote user="manisandher"]I don't have a scope, so can't measure the output of my particular unit. [/quote]I do not think that scope is necessary. Pay attention that my Units #1 and #3 have very fine scope outputs that is not related to their sou...
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[quote user="Paul S"]Yes, Bud, I agree that the most common problem for the full-tilt regenerators is that they begin to exhibit various problems in direct proportion to current demands. And this seems to be true even when they are used "below capac...
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[quote user="Romy the Cat"]So, we plugged the whole system into PP2000 with exception of bass amps. The sonic result was very exactly what I predicted. The fun part was with bass. Before, when the system was plugged into the wall the bass was reasona...
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Rakesh, first of all I have expressed the same sentiments a few times before in this threw. Second, I have to admit that is other company would have the same problem with ratability and support as PurePower does then I would behave differently. H...
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I always hesitant to make recommendations regarding purchasing decision in audio. The last time I made a recommendation to a local audio guy was to get Altec 19 loudspeaker instead of the crap that he had. The problem that you can make recommendatio...
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Debating the everlasting Leo Tolstoy’s question “How Much Land Does a Man Need?” I wondering how many and what kind PP I would need. I am debating options: to get two more PP200 or one more PP3000. I wonder if anyone used two separate PP200 for rig...
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[quote user="Romy the Cat"]My own PP2000 does have a very-very-very minor difference between lines and butteries operation and… I like the sound from lines better.[/quote]Yes, I recall your initial observations were so.[quote user="Romy the Cat"]So, ...
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[quote user="drdna"]
Antonio J. wrote:Considering that PP2000 isn't plugged into a dedicated line and that line can be shared by other electric devices plugged into the grid, I wonder if the hum noise is getting into the PP2000 not from the gr...
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Adrian, who knows for sure, given APS "QC" so far, but at this point it still sounds like something you could deal with by properly configuring your various component grounds, lifting and/or bleeding components (3rd wire only) via the dedicated rod. ...
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Ok, this is probably the most important section as besides all positive changes that PP2000 does to sound it does this one, the one that I call “softness”, and the values of this “softness” have to properly understood and interpreted.
The “softness”...
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[quote user="Romy the Cat"]I asked many times of my desire to have the final sparkle in the mid of this PP2000 softness is some kind of audiophile itch. I do not think so and I feel that the performance of my MF channel in context of the “different” ...
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Power from the company grid is usually pretty decent in most respects, or at least it used to be. In the last 25 years or so the average home has seen an increasing number of devices which have switching power supplies (computers, monitors, etc...
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Floobydust, I very much disagree with you on it, not because I have an alternative view but because I have practical evidences that what you say is not sufficient definition of “good for sound electricity”. The lower THD is not adequate representatio...
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Romy, Sorry if my post lead you to think I was dinging the PP2000... that wasn't the point, and I wasn't. I'm simply saying that while the PP2000 resolves problems with the purity of the AC power, it's one solution. It is effective in it's imple...
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[quote user="manisandher"] So why do I now prefer the sound with the PP2000 as opposed to last year when I stopped using it? I think it's because last year I never plugged all the components into it. Playing around with various configurations the...
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Just chiming in here. I had the good fortune to get one of the early PP2000 units and loved it, except for a little hum when it was plugged in to the wall. The sound was fabulous! The hum turned out to be a internal wiring issue, which by bad fortune...
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[quote user="Paul S"]Any updates from users/sufferers on the "new", lighter/cheaper-to-ship APS stuff? Mani?[/quote]No, not from my end. I've kind of given up on 'upgrading' to a PP+. I've gone around in circles with my current PP2000, sometimes lik...
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[quote user="Romy the Cat"]You might change your mind after you put the PP2000 into the game. Anyhow, I do not know what Bruce did with his Titans tweeter; I do not even remember it they are in time-aligned position. The EdgarHorn Titans uses Fane ST...
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If I somehow was able to recalibrate Macondo to run with the specifics of my new PP2000 sound but in the lower bass my currant playback is completely dead. It is not that it is non-listenable –it is enjoyable but the whole lower end of the midbass ch...
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[quote user="Romy the Cat"]
6) Ok, the first half elephant in the room – the dynamics. Believe me or not but PP3000 is more dynamic then PP2000. It was very sensible from the very first note that I heard from the PP3000. I do not know what to say ...
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