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Guys,

you do not need to ask this question to anybody else but the APS themselves. Would it make sense to ask a manufactures about the principles of their products operation?

I would certainly not talk to the APS re-salers as they even further submerged in a depth of clueless. Saying it, I have to admit with all honesty that I am not sure that APS people themselves know, as least those I dealt with. I did ask this question a few days back and the answer was not definitive. I did also asked about the problem with noise that you guys had (I was worrying that I might get your noise if I change something). The explanation that they gave to me was ground loop related and it was absolutely ridicules. When we were trying to debug the noise that Adrian had we went over lifting ground on Adrian’s power amps and the rest components he plugged into the PP2000. Adrian reported that it did change the noises. If so, then what the ground loop the ASP is talking about?

I do not know. It is all does not make send to me and I do understand that it might be frustrated. I have absolutely no problem problems with APS sound but in my desire just to understand some things the confusing information makes me annoyed. I could imagine how it would be if I actually have a problem…

Petrasescu_Lucian, the question how the use butters is very good one. In the way how it shall be the oscillator and the amplifier shall be driven from the buttery. While the buttery power the things it being charged. This is why the design use led buttery as it might be infinitely overcharged. In this configuration the buttery acts as a phenomenal a few farads capacitor that deepens the APS decoupling from the grid. However, APS could make the buttery not to be in pass when the unit runs from mains. Only God know how it is gone in the current revision of APS. I know it is somehow different as the PP2000 can work without buttery but the PP1050 does not. I am not sure that APS understand the difference as I took for me time to explain it to them… after which I still had not definitive answer.  Perhaps I was taking to wrong people, I do not know… If I need the answers more than I do then I would figure it out myself tracing the APS passes but frankly I do not what even to open my unit as it work great and knowing my history with former 5 ASP units I do not want to spoil my luck.

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