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Channel Islands XDC-2 and PS Audio PPP

I know that the XDC-2 is one of the few units currently available aimed specifically at eliminating DC on the AC line.

My question is this: if the PPP takes mains AC current, converts it to DC and then back to AC, does it also, in the process, eliminate DC? In other words, does it--albeit at a much higher cost--also do what PS's earlier "hum busters" (humbusters) were designed to do?
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ait
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The PPP does nothing to remove DC, and in fact does not do the complete AC to DC to AC conversion either.
I have a PPP and also an XDC-2 for DC filtering. I have it hooked up: wall to PPP to XDC-2 to amp, as recommended by PS Audio.
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