2x12 and 1,4 coax CD Synergy

Hi!
The synergy are ready!
I'm only waiting 7x2.5mm2 cable, 2 new fans for the Proel amp and that's It!
Now I begin to build the sub.
is Better to make another thread only for the sub? Is this ppsl sub design strange enough to put in a thread alone?
Thank you
Ale
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