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It can only be wired to 2 or 8 ohms. So that's figured out (2ohm).

Now for the box.. Will you be building it, have one custom made or do you just want to buy a prefab?

That's what I was thinking, but you can only tell so much from pictures. Just seems the specs would be further apart. At the same time i'm no t/s master either, so the ones that are the same could...

Ok, from what I can see the dxi124dvc has 18.5mm xmax. I'm failing to understand how the entry model 12"dvc db series sub has identical t/s parameters but 10mm less xmax. What am I missing here?