Hi all.
I bought from Danny Ritchie (GR Research) a PI Audio Majik Buss
about 8 years ago. (Paid 595 USD).
The unit is doing a good job cleaning the dirty wall outlet power,
here in Vietnam, not real regulation concerning any standard for interference.
The only small thing that I don't like is that it's not a passive unit,
when plugged it draws about 1.5 amp.
Not a big deal. Guy 13