Box and port size best for 2 12" xlm2's

[Audio Boffins]

I play down into the 20hz range a fair bit and wanna do a box for my new 12's.

Now I know these are kinda spl orientated so I wanna know what box size per sub and what number of inches per cube of port I should aim for, for a nice musical box.

I don't want it to be peaky, I want a flattish playing box.

They'll only see about 1.2k at the most, a piece to start with.

[CJ18]

1.5-1.75ft3 net per sub with 15in2 of port per ft3.

[Audio Boffins]

See I thought that sort of size but people here in uk slamming me for going so large on port.

They saying like 8-10"

[ToNasty]

8-10" for an aero port is fine but not slot port