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In the Forum: Audio Discussions
In the Thread: It’s mad, mad, mad... electricity.
Post Subject: APS Purepower – one year later observations.Posted by Romy the Cat on: 12/1/2009
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 Romy the Cat wrote:
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What do you know, today is December, that makes me to use the APS Purepower 2000 for one year. I would like to share some observations about the experiences.

Since I posted my comments last year a few folks I know bought PP2000. To “sell” PP2000 was not my intention, in fact the people who know me know that I hate when it happen. Apparently Gog punished them and reportedly they are not happy with their PP2000 performance. Hey, I do not believe in God but it look like God works!

To my great surprised, and in contrary to experience of others, my own PP2000 worked admirable.  Wonderful sound, caring the whole system, including digital section of DAW and big power input chokes for my Milq. Over the year I had not single problem with PP2000, never turned it down, hundreds and hundreds times plug into it different shoe and stage the playback. My PP200 care now 20 outlets, 19 of them used. I could not expect more. Well, keep your breathe, as I would like to drop a few words about the expectations later.

The upper sinusoid “fuzziness” that I reported last year still was not fixed by APS. I had many conversations with them and they assured me that they knew what was the problem - a bug in the battery charger.  The fix was easy and APS promised to implement the fix in two month, then in 4 months, then to ship in July, then to promise that in the end of September it will be done… As I told - today is December… not results.  I do not particularly bitchy about it as I am accustomed the APS has own definition of “progress” and “pace”, I juts wish then do not promise the specific time if they know that it will not be done punctually. I still think that soon or later then will address the problem, I hope it will happen before my future Alzheimer will make me to forget the problem. Also, as I told that I do not detect any negative sonic consequences of the “fuzziness”, so I kind of afraid that fixing the PS for the battery the ASP might inadvertently  to toss baby along with water….

Last weekend I took my measurement equipment and retested the APS – everything, including the DC, was as year ago – no dirt anywhere. I would not say that APS Purepower completely got rid my dependency from electivity. Over the course of the last year I did have 3-4 bad electricity days when I was recognized some problems with sound. However, the problems were orders of magnitude less severe if they would be without he APS. Also, it was 3-4 days of it a year – formerly I had 3-4 days I year of good electricity sound, now I have 362 of those good electricity days.

So, what next. I would probably get another PP2000 or lobby the APS to make 3000-4000 units.  I would prefer to have one big unit as I would like do not have two grounds. I would like APS to eliminate that minor dependency the PP2000 has from the grid. The very first PP1050 that I tried had absolutely indistinguishable sound when it was raining from grid or from buttery. My current PP2000 doe has the different in waveform and in sound. The waveform looses the “fuzziness” when it runs from buttery. Sonically Sound from buttery has more traction and more articulate midbass. The degree of dies is very very very small, practically negligible but it is there. Well, it is negligible during an average electricity day – how about the worse electricity day? It is possible that addressing the “fuzziness” then will kill the dependency to PP200 from the grid quality, well will see how it will go. Also, I would very much love the APS to implement a bypass switch to the unit that would allow a system by flipping a switch in real time to run from PP2000 or from the raw power grid. Did I mention a remote control for this functionally?

All together I am very happy with it and I with horror remember as I was trying listening music only when electricity was more or less tolerable. Who could believe that “freedom” comes to US from Canada and made in China….

The Cat

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