It is my understanding you cannot measure DC on the AC mains just by connecting your digital meter, set on DC voltage, across the mains.
Not trying to start a flame but
http://www.diyaudio.com/forums/solid-state/2080-dc-filter.html
Eva
.
Not trying to start a flame but
http://www.diyaudio.com/forums/solid-state/2080-dc-filter.html
Eva
.