J_Owens

So I ordered a custom sub box from ebay for a 12in sub in the middle. Now I am just trying to figure out what sub I should get. I was thinking the Rockford Fosgate P3D412 I dont know anything techical about Subs and was wondering if i could get some help on picking a sub.

Like 2 ohm or 4 ohm. Single voice. Dual voice. Indepence and etc. I dont know what any of that means lol.

Also will need help wiring it up as well. My exp with subs entales just a positive and negative cable to sub box and same for the sub to the box. but the sub i am thinking about getting has connections on both sides. so would need help on how to wire that as well if possible. I have a sub in there now and its all wired. Just dont know how to wire the sub when it has connections on both sides for multiple wires to go to the sub box? Im sure I made it sound more difficult then it is lol. Thanks for any help and info i can get.

mike[piston eater]

iTrader: (3)

it all depends on wht type of power you looking for, but make sure its dual voice coil, the impedance of the woffer, will determine what type of am youll need and what way you wire it to stay at the ideal impeance, i suggest you look at other peoples install thread, i found it very helpful, a p3 is a pretty decent sub so it should work out nicely, 4ohms right?

J_Owens

ok cool. yeah 4 ohms. or should i go 2 ohms? i dont know what ohms means or whats better lol. im just looking to have some nice beat.

mike[piston eater]

iTrader: (3)

ohms is just resistance, either one its preference but it should sound nicely

J_Owens

oh ok. cool thanks man.

mike[piston eater]

iTrader: (3)

no problem, you should get some clean mild bass with that setup, did you get the zenclosure?

J_Owens

didnt order from zen ordered from srq auto sound. is there a difference?

mike[piston eater]

iTrader: (3)

well ive never seen the srq unit, just read the specs on the airspace of the box, and see if its within spec for that woofer if not i suggest you look for a woofer that needs those specs

J_Owens

http://cgi.ebay.com/ws/eBayISAPI.dll...=STRK:MEWNX:IT

i think it will be ok the box mounting depth is 8.5 and the sub is 6-7/8 i didnt see an airspace spec for the sun but for the box it says 1.25 cu ft for single 12in

mike[piston eater]

iTrader: (3)

it should be good

rxwarrior

iTrader: (1)

SRQ boxes are really good quality. I have the single 10" enclosure. I went with a JL10W6V2 that handles 400 watts rms and an amp that pushes 400 rms. I think my setup is plenty for me. Since you're going with 2 12's I say go with JLW3's. And a JL 500/1 amp. Sorry I've used JL subs for a while now and that's all I would buy. I have a Phoenix Gold amp that has all the good features of the JL amp and it's been great but someday I'll probably upgrade to the JL amp.

J_Owens

im just going with 1 12 not 2. also already have my amp and everything. just been wanting the custom box with a new sub. everything else is already wired and set up to go.

rxwarrior

iTrader: (1)

Oh yeah, sorry the dual box through me off. In that case I'd go with a 12W6V2 and that same JL 500/1 amp. That will hit very hard and sound great in the rx8. I just ordered that same amp and sub combo as well as a box from srq for a friends Grand Prix and he's more than satisfied. Do you have an amp already? You did know you need one right?

rxwarrior

iTrader: (1)

Here's a great price on that sub.
http://cgi.ebay.com/12W6V2-JL-AUDIO-...item19b98a5aba
Here's the amp.
http://cgi.ebay.com/NEW-JL-AUDIO-500...item1e5a72716b

I know those 2 are pretty pricey but you can't get any better IMO.

rxwarrior

iTrader: (1)

If that's what you decide you want you should contact SRQ and let him know you want to use that sub, he gave my enclosure a little more airspace for that sub.

J_Owens

damn im cool on spending that kind of money lol. i think the amp i got now and the rockford sub will be just fine.

firebirdude

iTrader: (3)

No it's not just preference. That statement leads him/any inexperienced person to believe they can just grab either 2 or 4 ohm version and be fine. That is incorrect.

We need to know which amp you plan on using before we can tell you which version of the P3 you should order.

mike[piston eater]

iTrader: (3)

well he said he didnt have an amp yet so i said he could choose whichever, but i also said when he orders the amp to make sure he got one with the same stable impedance

firebirdude

iTrader: (3)

I admit I skimmed over the posts. But I did catch his post just prior to mine in which he said he had an amp.

Also, as he hinted at, the P3 is dual voice coil. So if he reads the box on the amp and it says stable to 2 ohms..... then he buys the dual 2 ohm subwoofer.... he's screwed.

J Owens, just post up the model number of your amp. We'll do the rest.

J_Owens

its a Alpine MRP-T406

J_Owens

firebirddude-i believe you helped me before when i was looking to do this i just didnt have the money at the time to do it. i now have the $ to get a sub. just dont know what to get. i read that this amp dont have much power but i think it will be good enough for now. if not i can upgrade it later on.

firebirdude

iTrader: (3)

No, it doesn't have much power. You'll need the dual 2 ohm version of the subwoofer. The P3 is decent. The Alpine Type-R is great too. Little cheaper.
Bridge the amp and then wire your subwoofer like this:

J_Owens

do you think i should get the type r then? if so what model?

firebirdude

iTrader: (3)

They're both great, but very similar, subs. The Type-R is a little cheaper, so I'd use it. You'll need the SWR-1222D.

J_Owens

ok cool thanks. one more question. the dual voice subs i notice habve 2 red and 2 black connectors on them. do i run wires to all 4 of those ports to the box, then from the box to the amp like you showed above? typically dont single voice subs have just 1 red and black?