View Full Version : sub woofers
m_townsgreatest
10-05-2005, 07:20 AM
hey,
i dont know much about electronics but if i hook up 2 12 inch kicker(from a car) subwoofers up to the stereo in my room would i need to hook up an amp to it also or not. my sister had 2 amps for them in her car but idk if itll be the same in my room. does anyone know if i need to or not?any info would help thanx
TheX1992
10-05-2005, 08:59 AM
I did that with 2 Jensen 10's before to my stereo. Worked fine, but my stereo was pushing out a bit more than regular ones, it was more along the lines of a home theatre stereo. But I used no amp. My friend is running 2 10's to his little stereo (the type you're proably talking about) and you can hear it, but it's nothing too exciting.
MAaudioX10
10-05-2005, 12:40 PM
Yes, you will need an amp to push those. Most home audio systems don't have the power to push car audio subs, even the high end home audio recievers.
Secondly, It isn't as easy to install a car amplifier in your bedroom. Car amps run off 12 volt DC, direct current. What you have running through your walls is 110 volt AC, alternating current.
Thirdly, I don't thing you will like them. If you have them in a pre-fab sealed enclosure, they will sound like chit and they definately will not sound like they do in a car. Why? because they are designed for a car.
If you really want this to work, go dump money in to a home amplifier. Does the same thing as a car amp but, simply plugs into the wall....and those things are no cheap.
Whatever you do, do not try installing a car amp to your outlet in your house...
300exOH
10-05-2005, 12:57 PM
[QUOTE]Originally posted by MAaudioX10
[B]Yes, you will need an amp to push those. Most home audio systems don't have the power to push car audio subs, even the high end home audio recievers.
Home audio equipment has more than enough power to run car audio subs because the subs for cars are only 4 ohm which is less resistance than the standard 8 ohm home audio equip. It may not be good for the stereo though since not all home stereos are rated to run at 4 ohms. My home stereo is rated at 150w/ch at 8 ohms. It would be more like 225-250watts at 4 ohms.
You can hook up car amps in the house but you will need a regulated 12v power supply to run them.
Diedrich
10-05-2005, 01:29 PM
use a battery charger to power the amp..its kinda hard to hook an amp up in the house but done right it can sound good...i had a 15" solobaric hooked up in my room with 1000watts and it pounded pretty hard
Originally posted by 300exOH
[QUOTE]Originally posted by MAaudioX10
[B]
You can hook up car amps in the house but you will need a regulated 12v power supply to run them.
and then your amp goes into protect because of low voltage...you need a pretty large inverter to do this.
MAaudioX10
10-05-2005, 06:03 PM
My point is to get the device designed to do the job...not just rig something up.....
The results will be less than satisfactory...
Originally posted by MAaudioX10
My point is to get the device designed to do the job...not just rig something up.....
The results will be less than satisfactory...
Listen to this guy. You may be able to rig it up. But by the time you buy the LARGE inverter, you will still have a subpar stereo rigged to make inaccurate noise, and still be around the cost of a home stereo amp.
Also, as stated above those subs will not sound near as good in a home as in a car. Go buy a real home stereo if that is what you want.
kenwoodjeff
10-05-2005, 06:31 PM
THis is what I am using to power my kenwood excelon 1000W and pushing a Kicker L7 15 inch sub in my house, needless to say it knocks crap off the wall!!!!! Its a Astron 50 amp regulated power supply. I dont have any problems with it even when it beats hard because the power supply has a built in capacitor used for regulation. IF you have a problem on really hard beats just put a 12v capacitor on her and it will fine!!
Oh and by the way this power supply has no ripple at all on the DC line... trust me I looked at it on a scope just to make sure.... simple terms, NO HUM AT ALL!
http://nc7j.qrq.com/pictures/ps_and_computer.jpg
m_townsgreatest
10-06-2005, 06:34 PM
well i already have 6 speakers hooked up nd i just want more bass to it.Theres 2 12's, 2 2inch tweeters, a set of speakers from my old stereo, nd the speakers from this one nd they still dont put out enuff bass
m_townsgreatest
10-06-2005, 09:37 PM
kenwoodjeff....
where would i get one of these 12v capacitator at and how much would it run me?
i got it all hooked up but if i turn it up real loud it just turns off all the speakers.i think i might have gotten it to work but i cant turn it all the way up untill tomorrow to makesure b/c its 11:30 at night nd sum neighbors nd siblings would be mad
I dono, seems to me what was designed for car, should stay in car, what goes in house stays in house.
50 amps is not capable of 1000W
By the time you bought everything to get this all hooked up, you could by one hell of a powered sub designed for what you wanna do...
also you stereo is gonna out out a full range signal, if you do not have some kind of crossover you wll fry the subs anyway..
m_townsgreatest
10-07-2005, 07:52 AM
well i tested them out nd it will shut up when i turn it up to high. does anyone know what the he11 is wrong?
m_townsgreatest
10-07-2005, 01:13 PM
ttt anyone?
standardryder
10-07-2005, 01:26 PM
probably drawing to much power from your amp in the stereo. i hooked my two 12's up in my room with an amp, but i used a car batterie. sounded pretty good though.why dont you just go to curcuit city or soemthing and buy a powered subwoofer for home stereos. it has a little amp built right into it, all you do is hook it to your stereo and plug it intoi the wall.
m_townsgreatest
10-07-2005, 01:42 PM
i dont have the money for that stuff. thats why im trying to rig up a system thats will be pretty good with what i got.
anyone else?
m_townsgreatest
10-07-2005, 11:28 PM
ttt please anyone no anything i could try?
Diedrich
10-08-2005, 12:18 AM
use a battery charger to power it..it worked pretty good for my 1000 watt amp....it wouldnt kick off but on the lows it would kinda cut out
if you hooked the subs straight to the stereo, your shutting down because most car subs are 4 ohm, so your stereo would be drawing double the amperage to run them and can't handle it
m_townsgreatest
10-08-2005, 07:44 AM
no they are hooked through an amp
m_townsgreatest
10-08-2005, 05:18 PM
i've tried every different way of wiring it up and i even unhooked all but the 2 12 inch kicker comps and it still shut off
anyonee have anything i could do to stop it
m_townsgreatest
10-09-2005, 12:46 PM
ttt
m_townsgreatest
10-12-2005, 04:34 PM
please anyone!!
m_townsgreatest
10-13-2005, 07:22 AM
ttt
A car amp? how is it powered?
m_townsgreatest
10-13-2005, 04:43 PM
no its a home stereo amp but it kicks off when it hits too hard and i want that to stop anyone know how i can make it stop
I'm against what your doind but you can try wiring your subs in series.. that will increase the ohm load.. keep in mind you need a low pass filter or something to cut out the high or you will ruin those subs
m_townsgreatest
10-14-2005, 01:22 PM
is there anything i could put in there for a low pass filter?
Ya, a low pass filter. But in all seriousness. You aren't ever going to get these to sound correctly. If you want to put in the filter, a crossover is what you need. But now you are just getting into more money.
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