azphat12

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Hey RAM!!! lol Just getting more advice...figure the Sundown forum would be good.

Ok, should have my tax check here next friday...woot woot. I will be ordering 2 12" SA's and was wondering if this box and amp will work. Was getting a design done for 3.5cuft @ 30hz and will be running a Rockford Fosgate T1000.1 (the new mini black one) The amp says 1250 @ 1ohm I might upgrade the amp later...but this is what I have now. I know I will be using 2 4" aero ports (not sure on lenth..the designer is still designing, lol) Just curious as to what to expect. I had 2 JL w3 12s on this amp at 2ohms (800 watts) with a 3.5cuft @ 32hz box. They were in my former Explorer. I now have a 08 Civic SI coupe....just trying to get some comparisons. Or just an idea of what to expect. Also...I am torn between facing the box into the cabin or toward the trunk. I have watched videos of both.... it has been forever since I had a trunk so any experienced people the advice would be nice. I will ofcourse move the box around to see for myself....but just wanted to see if there were anybody out there with some first hand knowledge.

Thanks for the info. Might I ask what the difference would be going from 3.5 to 4 cu ft? And also, what would I hear different moving from say 32hz to 33hz or maybe down to 30hz? I currently have a box 3.5 @ 32hz but need to rebuild it for a different vehicle. Does a bigger box need less power from the amp? Say I have 1250 watts on the 3.5 cu ft box. Would I hear an increased output taking that same amp to a larger box? Nothing audible to your ear! Ok if I cant hear it, I assume I would feel it? How much difference would it be...

Thanks for the info. Might I ask what the difference would be going from 3.5 to 4 cu ft? And also, what would I hear different moving from say 32hz to 33hz or maybe down to 30hz? I currently have a box 3.5 @ 32hz but need to rebuild it for a different vehicle. Does a bigger box need less power from the amp? Say I have 1250 watts on the 3.5 cu ft box. Would I hear an increased output taking that same amp to a larger box?

I should add. I like LOTS of bass. I am not looking at winning any SPL contests. I want to feel/hear it. Right now the JL's can rattle my eyeballs a little at 800watts. With the SA's I will be able to go to 1ohm and get the amp to 1250. I know it is probably far fetched, but I want to get on the path of the hairtrick! lol....anyway. Thanks for any help!

Ok, just bought a new car and my ported box does not fit. So I need to make a new one. I have a 2008 Civic SI coupe. What I am wondering is speaker/port placement. I am use to SUV's and sub up / port back. I have read with a trunk that sub back / port back is the way to go. Just asking to make sure before I buy the material and build this box. Also, I see that SA 12's are 1.5 to 2.0 for ported boxes. With 1.75 being on there spec sheet. I have 1250 watts to push 2 12's and was wondering. Would it be better to go 1.5 / 1.75 / or 2? And what hz would you recommend? Currently the box I have is 3.5 @ 32hz and sounds ok with JL 12w3's in it. I am playing 70% rap/bass cd and 30% rock/metal right now. Should I stay at 32 or would there be a better hz to shoot for? I plan on selling the JL 12's with ported box soon and buying the SA 12's. Going to make the box hopefully in the next couple weeks.

My current box was made for my former Explorer. Subs up / port back. The main issue is that box is 20" height and will not fit in the trunk without tearing out the trunk bars and the stock sub. I wanted to build a wider box that is not as high and just disconnect the stock sub, but leave it in its location for resale later down the road. I like the subs..dont get me wrong. They sound good for what I paid, however I got 2 2ohm DVC subs. I can only manage to get the amp to see a 2ohm load. If I buy the SA 12's I will get the DVC 4 ohm version so I can wire them to 1ohm and draw more power from the amp. Figure sell the box/subs and buy the SA 12's. Maybe have to bring a little extra cash to buy them, but should not be too much. Also, what should I build the box too. Subs up / port back or subs back / port back? Or another way? I have not had a trunk in some time, so not sure.

Hello everyone! Was wondering if people could help me. I currently have the following... 2 12" JL Audio W3v2 2ohm 1 Rockford Fosgate T1000.1BD I built a 3.5 cu/in ported box for them and they sound fine. Problem is the box is the wrong dimensions for the 2008 Civic Si Coupe. My current available space is.. H = 15" W = 37" D = 18" preferably smaller Those are the MAX dimensions that will fit in my trunk. I am not worried about the opening to the truck as I will build the box in the trunk if I have too. What I am wondering is if anyone has a box build that would work for the SA 12's that would work for my Civic. Just need the outside box dimensions and port dimensions and I can build it. I am not very good with design, but I can build a solid box. Also, I have an Optima Yellow top in the engine bay and will be doing the big 3 upgrade prior to my audio install with 1/0 guage wiring. I also plan on buying a new alternator to balance the charging system. My amplifier currently is rated at 1250 watts RMS into 1 ohm. I think that would be a nice fit with the SA12's being 600rms each. I am not looking for SPL competition stuff....I want loud/clean comprimise. With my amp, what size box should I run? Is 3.5 air space optimal with my wattage available? Also what should I tune the box too. Currently my ported box is at 32hz. Any help would be greatly appreciated. I have everything except the SA12's currently. But the JL 12w3's recommend the same 1.75 air space so I can build everything in preparation on getting SA12's in the near future.....(tax time!!!). If it helps I listen to rap, rock, metal, and bass music mainly. Think Eazy E, Too Short, Pantera, Metallica, and Dj Magic Mike or Dj Fury mainly. I know...wide variety, lol. I have a 4v preout Alpine deck CDA9887 I think it is 2 sets of Boston Acoustic 6.5" components 1 Rockford Fosgate T600.4 amp