Posted June 23, 200817 yr i have a 99 dakota club cab and total space to use 49w 20h 18.5d. i have a fi q18 and 1k powering it. ive tried a couple setups but cant find a setup loud enough. my truck peaks at 42hz but i cant get it to hit over 141db. i have tried sub up port to side/passenger side. sub forward port forward. sub forward port side/driver side. tried 4.5cf 7.94cf single 4in port and dual 6in port. if any ideas id love the help
June 23, 200817 yr I thought this might help. i did not know if you have built a box like this yet.i tuned it to around 32hz.
June 24, 200817 yr Author i have not tried that alignment yet but as far as tuning its a lot lower than i had it before it was tuned at 37.5hz it had the best graph for 42hz. has anyone tried this alignment before in a excab truck if so ho did it work. i know its not the best setup for comps i plan on using it as a daily setup once i can afford to purchase a new sub and amp. will eventually go in a hatch but for now all i have to work with is the truck
June 27, 200817 yr Author i know its not designed for spl but i have done well with other sq subs in other installs. i used a 12in boston acoustic g5 with 300rms and hit a 140 even. it was a diffrent vehicle but still i hoped for more. its more than triple power and a lot more cone area. i figured i could squeeze a 145 out of it. its just a matter of finding the right configuration
June 27, 200817 yr ^^g5 @ 300 = 140...goodness....pickups are hard to get loud in. choke the power. try sub foward port up drivers side. more port area. if i had to say, id guess the box. try to use 13-15 sq inches of port per cu ft.
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