DIY Balanced AC Power Conditioner

[bengel]

Hi,

I know this thread is a little stale but I thought I would take a shot...

I am about to build a balanced power supply. Basically it is only going to power digital stuff like my preamp, dvd/blu ray etc.... plus my TV (which I guess is analog). My amplifer will not be plugged into this.

My plan is use the EMI/RF filter designed by Jon Risch however I cannot not seem to find a good answer as to where to place the filter. Either before ON the primary or after on the secondary.

From the article at Equitech, having filters on the seconday seems to be "required" as it provides a pathway for reactive currents to flow to ground.
http://www.equitech.com/articles/origin.html (see figure 2)

I read other places to put it before - on the primary and just wire the secondary taps "directly" to the outlets.

Then I read Jon Risch saying do a hybrid.... which puts the inductors and 1 bypass (across both 60 hot wires). http://db.audioasylum.com/cgi/m.mpl?...rmer+Jon+Risch

I have uploaded my schematic drawing of the Jon Risch filter that is on the primary.
http://forums.audioreview.com/attach...1&d=1268107554

Just wondering if anyone could offer any clarification on this. The equitech diagram (figure 2) makes the most sense to me as it is providing a pathway for reactive (noise) currents to ground.


Thanks!