Re: Single 18 and aeros...
plugitin, i used these two aero's to port my AQ HDC3 18
the rule of thumb i follow is 6-10sqin / cuft, but that's all depending on the box, and the sub, and other stuff that's probably over my head.
So using pi(r)^2
substituting the radius pi(3)^2 ~ 28.25 <- area of 6"port in sqin
if your box is 6cuft, that means you want anywhere from 36-60sqin of port, you have two of these aero's, so 28.25 x 2 = 56.5
The lvl5 is a fairly high excursion driver, and you're putting it in a fairly small enclosure for an 18", so you should be fine with two aeros of this size.
p.s. i managed to take a part the areo's and put them back in their original packaging, so, i should be shipping out sometime around 4:00 today
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