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TonyB wrote:

I did not study PurePower in detail. They have 36V DC batteries. Do they use step up transformer after Class D amplifier or do they create high voltage DC supplies and then run the Class D amplifier from these high voltage power supplies?

Frankly speaking I do feel that they need to rewrite the text in their web site as their arguments and their presentation in some cases is laughably not serious. However, in one spot they state that the PurePower is the “transformerless” AC Regenerator. Also, in the picture they clearly show off the brand-labeled buttery of 12V… so I presume that they run 12V to 120V with no transformers. I do not know how many gain stages…

There are also some reviews out there that try to give some idea what the PurePower does but as many people know I value the industry reviewers’ opinions or their judgment no more then a fart of a while in ocean as a contribution to the Global Warming…

So, I really do not know what the PurePower does internally. I wish they explain it in details but they are perfectly within their rights not to do it. As I have written somewhere above: the irony was that when I decided to try the PurePower I was not solicited by the fact that it has some kind of kinky internal guts but rather their Marketing Director’s comment: “It does sound different (better) then other regenerators and I not really do not know why it does so.” Also, he assured me that I will not hear a lot of differences between running the unit from the wall vs. running it from butteries. In both of his claims he turned out to be accurate. In his first comment he was accurate so far only while the PurePower unit has no more then 10% of it’s full load.

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