So I take it my solution is correct then.
I know that if all voice coils are the same ohms, formula for resistance (in parallel) is;
ohms per VC
-------------------
# of voice coils
So, for example four 2 ohm voice coils in parallel is
2
-- = .5 ohms
4
But what is the formula if you take that result and connect it in parallel to another dual 4 ohm sub? Or formula when you have multiple voice coils with different ohm ratings, like the situation I am in right now?
Or is everyone lost?