1Ohm or 2Ohm load?

[forsellb 1]

If I have D1 12" AA Mayhems and I hook them up to the sundown 4500D by running the voice coils on each sub in series(which makes each sub a 2ohm load) then run them parallel to the 4500D would that give me a ~1ohm load to the amp? Or am I missing something here? Ive been told by many different people who are very well versed in audio that I need D2 and D1 for that amp. Any insight or help?

Also the electrical is big 3, 220A alt, 3/0ga run to two 3100D batts, then hooked up to the 4500D.

[thebiggmann12 14]

u need 2 d1s.

[forsellb 1]

u need 2 d1s.

Alright, and wire them up exactly how I described it above?

[thebiggmann12 14]

Subwoofer Wiring Diagrams, Two 1 ohm Dual Voice Coil (DVC) Speakers

[forsellb 1]

Thanks!