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In the Forum: Audio Discussions
In the Thread: It’s mad, mad, mad... electricity.
Post Subject: Yes, this is very interesting question.Posted by Romy the Cat on: 3/9/2012
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 decoud wrote:
Yes, but is not the real question *how* different from the Taiwanese company's standard double conversion UPS the purepower units really are. If they are effectively the same topology and components (http://www.winstream.com.tw/products/RHC.htm) but with a different fascia, what you are paying for is not western intellectual input, but western leverage of market psychology and illiquidity that we all know and hate.

Yes, this is very interesting question but the question is not between regulars WinStream double conversion commercial UPS and PurePower units. I am very sure that WinStream double conversion UPS are no different from any other On-line UPS that are available from many companies. The interning question is how the PurePower units are different from other On-line double conversion UPS and this is very good question.  I think PurePower started years back by juts marketing a commercial On-line UPS for audio use. Was it special UPS or not it is hard to say but it looks like with time they did work deliberately refine this unit to be more and more successful for audio applications.  If you tried some of the commercial On-line double conversion UPS then you know that they do not sound near as good as PurePower, go figure why but I think THIS is why we pay for PurePower more then we pay for regular commercial double conversion units.

Decoud, to be honest, and I did express this view many times in the thread I do feel that PurePower in the way how it exists now is crap as it has legacy of being a regular commercial double conversion UPS. If it was design from ground up and by people who do have strictly audio and sonic objectives then the  PurePower would be much simpler and with much better performance characteristics. If to insulated and compartmentalize the sections and stages of PurePower like HP and Tektronix made measurement equipment in 70s and 80s then the unit would have no own nose in circuit and it shall be able to deliver the distortions at sub 0.1% level.  Years back, when I discovered that PurePower significantly over-performed the Power Plant I did propose to Paul McGowan to make class D regenerators.  I told him that with resource of his company and the expertise that they have in house then shall be able to come up with a phenomenal audio-dedicated class D regenerators. Paul did not believe that switching are better than his analog regenerators, so he still producing his “no-bass with compression” regenerators. Good for PurePower but bad for us the consumers.

Who knows, it might be the new PurePower+ that they juts announce will be not just a “face lift” but purposefully designed units. I do not know how it was made and who made it. I do not think that they have in-house expertise to design such machines from scratch but nowadays everyone use independent contractors to design the thing and set the production and then just keep manufacturing the things.

So, Decoud, answering your question: what we pay for? I do not think that it is western intellectual input or western leverage of market psychology but rather an assured quality of sound. Otherwise you can keep buying regenerators unit one of them accidently tunrn out to sound good…

The Cat

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