Posted May 31, 200520 yr Ok I ordered two RL-P 12's from the group buy and they will hopefully be showing up pretty soon now so I wanna get ready for them. My box will be approx 2.7 cubic foot shared fiberglass box for both subs (so about 1.35 or so each sub), should I stuff will polyfill and how much? Also will a Lanzar Opti2000D run at .5 ohm work well in this application? It is bit of power, but I figure it will work well running sealed. Here is the amp:http://lanzar.com/citempage.asp?MODEL=RBOPTI2000DI am getting excited now that my system is finally coming together, lol B)
May 31, 200520 yr Author What would be the benefit of filling the box? What difference will it make in sound?
May 31, 200520 yr Author Yeah I know that it makes the sub think its in a larger box thus deeper bass, but Ive also been told that the rlps like smaller boxes better. So I just didnt know if polyfill would be reccomended for this sub... Ill prob just buy some and try it out - its cheap...
May 31, 200520 yr The polyfill does make it have slightly better low end extension, but don't think of it as "thinking" it is a bigger box, it just lowers the resonant frequency of the box.
May 31, 200520 yr first, try the subs without the fill....they will get lowlow in less then what u have planned. if u don't like them without, add some. like u said, the stuff is cheap.second, ur vehicle is going to hate u for running at .5ohm daily, trust me, unless u have some serious upgrades...and i mean more then just the big three...i have a redtop, upgraded alternator and the big three and i still get big voltage drops..third, going by that link, the amp doesn't produce anymore power at .5 ohm then it does at 2 ohm...(1100wrms)..i'd try wiring for 2 ohm first (series the coils, parallel the subs). u'll get plenty of output that way...wheeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee
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