Here's one man's thoughts on the subject of EI vs Toroid:
http://www.soundstage.com/maxdb/maxdb071998.htm
http://www.soundstage.com/maxdb/maxdb071998.htm
Toroidal Isolation Power Conditioner
Here's one man's thoughts on the subject of EI vs Toroid: http://www.soundstage.com/maxdb/maxdb071998.htm |
Another data point to consider: http://www.audialonline.com/online-topics/psu-transformers-ei-vs-toroidal-and-more/ Note the graph showing the bandwidths of the various transformers tested and the discussion that follows. |