TSW 718; TSW 218 or USB ?

Dear mates.

We are looking for building new bass cabinets. Now we have 4x X-tro with 8x X1.
We would like to build some types with 2x 18" drivers so we found some plans and started to choose one.
The cabinets which we most liked was copies of Turbosound TSW 718. But we found out that maybe we do not have the right drivers for that.

We have: 6x RCF G400 - 1000W and 6x RCF G401

And my questions are, does anyone have experience with these type of cabinets with RCF drivers?
Which one will be better? The older TSW 718, TSW 218 or USB ? Is it even possible to bulid these types of cabinets with our drivers or should we looking for any different ones?
Thank you very much for answears...

System Terror crew...

The G401 looks best suited for the TSW 718, the G400 for the 218 imo, above about 100 Hz it's the question how high you can cross and maintain good sound, Frequency response is pretty different for those bass bins, so what frequency range are you looking for? I assume the plans for the USB are most easily available?

Best regards

Cubo