thevic24 Apr 4, 2008 Re: JL 12W7 In custom box 2 cu.ft. would give you about a 2-3 db gain over the 4cuft. box. the tuning is good. for the 4cuft box you need to tun it to around 40 hz and that would have the same results but would need a sub sonic filter
Re: JL 12W7 In custom box 2 cu.ft. would give you about a 2-3 db gain over the 4cuft. box. the tuning is good. for the 4cuft box you need to tun it to around 40 hz and that would have the same results but would need a sub sonic filter
