works for me if those 4 ingredients sum up 58 pages of know-how...
somehow I think there is a 5th ingredient called "a little magic" and a 6th called "a lot of hard work"
like having a feeling for which drivers are "capable" and how far the "extended HF range" should extend and how much "compensation" is enough and what one can try to compensate and what not and what can be boosted and what not
so, while the 4 ingredients are nice to start with, you still need to read the whole 58 pages to create a succesfull system!
frank
