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Best way to set up my car sound system???

Ok so ive jus bought from my best friends girlfriend a full set up for the back of my escort 1.6 zetec(i was given it before you ask). lol

Ive got 2 x JL audio 12" 12W0 subs, a Pheonix Gold Octane R.5.0.1 amp and a Phoenix Gold R.5.0.4 and a power cap just to make sure theres plenty of power... up front ive got a sony xplod head unit from my old car 4 x 50 w.

Now im on standard companants which arent actually too bad. my main question is what is going to be the most effective way to set it up?
i listen to hard dance music so im lookin for it to be quite punchy... 

do i run one sub off each amp or both off one? can u link the two amps too increase the output then put the subs in line with each other? is there a certain frequency i need to use? do i use the 2 ohm or 4 ohm setting? etc 

ive heard these subs and amps run in friends cars and they sounded flippin awesome yet mine sounds like a cheap set up.... which we can all see from the spec it aint! all your help would be much appreciated.

thanks
brett

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  • nibbzy Oct 09, 2008

    Its a sealed box with a baffle board inbetween the two subs, ill measure it later to get exact dimensions. what about the other amp? surely if i run both subs off one amp im gonna get less bass than if i ran them both one off each? 

    thanks for all your help ill try and get more details later.

  • nibbzy Oct 09, 2008

    It was a purpose built box aswell it was bought ready made carpeted and sealed i would say its about 12" deep on the top and say 15" at the bottom and i would say aprox 35" long. Flat front with two sub holes in it and sloped back to match the shape of the chair. then its got the connectors on each end.

    The amp does not have an option for off on the subsonic filter it has a range from 25 up to 50. so not too sure what to do there? and also the frequency setting has 30hz then nothing all the way round too 300hz so i can only guess where 65 - 80 is?

  • nibbzy Oct 09, 2008




    here is ma set up sorry its not too good a pic but its best i can do with me phone!

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This is a multi-tiered question. First of all, you're going to want to run the subs at a 2ohm load (if the amp is capable) to get the maximum power from it. Use the 5.0.1 for the subs only, that's what it's designed for. Run the cap in conjunction with only the sub amp as it has the largest power requirement. You can not link the two amps to increase output as they are first of all different amps and second of all not designed to run that way. Some amps are but they must be identical.
Set the crossover on the sub amp probably no higher than 80Hz (I like it lower than that but that's a personal preference) and turn the sub-sonic filter off.
Now, one of the most important things about a subwoofer is it's encosure. If it's a properly built box designed for your subs specifically then you should be ok. You dont' specify if it's ported or sealed etc. That would be helpful to know as well as it's approximate size (air volume).
The head unit can also have some bearing on how things sound, as I recall the Sony X-Plod units are fairly decent for the price and if set up properly should sound ok.

If you need further assistance please provide a little more info about the sub enclosure etc.

good luck!

Posted on Oct 08, 2008

  • Inno Laur Oct 08, 2008

    Oh, and facing the subwoofers toward the back of the car will make improvements to the amount of bass you get as well.

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