quick help on vent size for 2x 12's?

[sikcavy 10+ year member]

I'm going to be building a box for a friend in an 08 chevy equinox and he has 2x 12" kicker cvr's. My plans are subs up vent back but i don't know what size vent i should go with... I plan on 4 cubic feet total between the subs. Think that should suffice?

Click to read more...

 

[spl_robb 10+ year member]

i have a box 3.4cft after sub an port dis., sub up port back with 2 12" and a port 36sqi(6"x6") to 35hz and its a great street beater. it has remobable port so for spl i change the port for a 40hz one.148db on the old audiocontrol mic. at 48hz

 

[bonesninja 5,000+ posts]

about 60 inches of port should be nice