audio help needed - Chevy Impala SS Forum
 
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post #1 of 5 (permalink) Old 08-15-2002, 07:42 PM
unsafe
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hi all,

dave here,

i would like your help with this issue, here is the sitrep; first i am low on money, 2nd i have the stock head unit(am/fm/cd) and i just purcased a used amp( a old soundstream referance 160 20 watts x 2 at 12volt but 80 watts x 2 at 1 ohm )i want to use this to power 2 10 inch subs (not purcased yet) but the amp does not have a built in crossover so i will have to use a passive crossover right? i want to spend as little money as possible. i plan to hook up the subs in parallel (both to the right plus and left plus) so i should need only one passive crossover? is that correct? and if it is what is a good low cost one?

here is other info : i plan to use 10 guage wire for the power with a 30 amp fuse close to the battery and the ground wire hooked up close to the amp as possible, and 16 guage speaker wire and since i am maxxing out this amp in power should i hook up a cheap 12 volt fan to the remote wire to keep it cool or just hold off on that until later? i do plan to mount it so that it has good ventilation( nothing around the amp except the board its mounted to).

anybody have any suggestions or comments, should i do something different?

thanks in advance,

dave goshorn
14.1 @ 97
95 dggm
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issca
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post #2 of 5 (permalink) Old 08-16-2002, 01:53 AM
headman22
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Hi Dave.

I have some suggestions/comments regarding your amp/subs/x-over situation.

First, if moneys tight look at this website.
www.partsexpress.com

This site in my opinion is one of the most affordable websites to get all car and home audio wire, cables, power distribution, fuses, raw drivers ( including subs ), and any instalation accessory you need to design and install a great system. Best yet everything has a 45 day return policy.

As for your amp, I think soundstream makes a pretty good and their reference series was pretty solid. If the amp can handle it, you can run 2 two ohm drivers in paralell and be fine. You should run 12 gauge wire to the subs and use it in the construction of the box as well. This should only cost $2-3 dollars more because you should not need more than 10 feet of wire to install subs.

As far as the x-over is concerned, yes you can use a passive crossover or a coil to complete the install. You can find these at parts express as well. If at all possible try to spend more money on your crossover and less on the drivers themselves. The reason is passive x-overs can effectively reduce the output to your subs by 15-20%. Applying an active crossover will give you more flexibility and allow you to use more of your amplifiers true potential.

If you haave any questions, you can write me an email.

That's just my 2 cents, feel free to give me change, and good luck.

~Dave Case
post #3 of 5 (permalink) Old 08-16-2002, 04:58 AM
SSpecial
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U WANT CHEAP I GOT CHEAP GO TO WALMART PICK UP A RCA LINE CONVERTER FOR ABOUT 10 BUCKS HOOKS UP IN NO TIME AT ALL AND THEY ALSO HAVE THA ONE WHERE U CAN HOOK UP TO AMPS NOW THATS BANG FOR THA BUCK

[img].gif[/img]

THE OTHER ONE IS A FEW DOLLARS MORE
 
post #4 of 5 (permalink) Old 08-16-2002, 11:46 AM
SSWEETDGGMSS
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First off, I am pretty sure that the SoundStream amp does not have speaker lead inputs. This would require you to buy a converter to go from the speaker wire to the RCA jacks. I believe they are less than $25. If you go that route, then you can buy some RCA inline low pass filters. This would go between your converter and the amp. It is not the best way to go, but at least you would not be robbing the amps power heating up your crossovers. I believe various places makes them, but the ones I am using in my jeep are make by Harrison labs.

TOM B
96DGGM
post #5 of 5 (permalink) Old 08-16-2002, 06:39 PM
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hi all,

dave here,

dave, hi , i received the ac hose wednesday and i will use my friends lift tommorrow to install it. and i checked out that link they had a electronic crossover (profile qx8 subwoofer crossover ) it has a selectable 70 90 120 and a variable +/- 12 db at 45 hz would that act like the "low" knob on my radio? what i mean is would it "boost" the base? and its only $26. and they had a dual 18ft 10 guage amp hook up kit for $3.50. thats all i checked on but the prices were right, i will use 12 guage speaker wire but i only need like 12ft i guess i can buy that by the foot some place around town. and i will need one of those speaker wire to rca thingys also i need some rca cables and then some subs. i seen on tv, big lots has those 10 inch subs in a small box with the neon around them for $50 each, they seem a little gay but for 50 bucks, what does everybody think? quality wise would they last with my amp? what about free air subs?

thanks for the help

dave goshorn
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