this is my set up in a civic
this is my problem,
(flickering lights) (speakers running a 2 ohms not connected to amp)
goods
sounds powerful sond and doesnt quit playing
bads
is it bad for my altenator/battery/car

my dilemma
i don't know if it is safe to run these that low, and anyone think i should add a capacator/battery any pro's out there dealt with this before

http://www.youtube.com/watch?v=h4mXv3I8Yuw

http://support.jvc.com/consumer/prod...3&archive=true


http://www.onlinecarstereo.com/CarAu...REN_850_S.aspx

 

i have two of these subwoofers wire in parallel to a 1000 watt max amp its supposed to be rated at 2 ohms at 850

 

bump anyone good with car audio

 

U need to run a second battery... Or upgrade ur alt... Or just order a capastitor... U will fry **** if u dont... Been there done that lol

 

Yes- if your lights are flickering while the subs are hitting, your alternator can't supply enough power for demand. You'll deffinently need a second battery, or atleast a capacitor to ease the load on the alternator.( smooth out the spikes to the charging system) Also not a bad idea to upgrade the alternator. Try to hook up a voltmeter while its playing and see what the charging system is reading. Most likely dropping below 10v

 

I get scolded when I say something is stupid so instead let me say it is HIGHLY unwise to run that woofer that low PAST what is recommended.

 

thanks for paying attention to the subs hitting at .45 ohms
, but it wasn't it was at 2 ohms

 

Well since that is part of the problem, I'd address the issue.

 

the bigger magnet you have on your sub, the bigger magnet you will need in your alternator.

 

How are u reading the .45 ohms?

 

And that you tube clip I hope isn't you cause that destroys subs being out of a box and hitting peak output. Just sayin. If I had to recommend something go to EBAY and type in Kinetik HC800. I have had great luck with these. Im running around 2500 watts peak one sub and my lights barely dim. Then you can save up for an alt. What guage wire u running?

 

Good question.

 

Well since I reread that and its not a sub problem. Atleast wasnt.

 

Is there really a need to be running it at .45 ohms? I had my Kenwood running at 2 ohms in a big *** Altima and it was enough.

 

Hes taking the reading out of the box. Thats the problem. More resistance in the box.

 

dimming lights. you need bigger alternator. that is the only solution to this problem. anything else is just a band aid. if you havent already, do the 'big 3 wire upgrade' look it up. You need to figure out how many amps your stock alt makes (probably around 80A or so.) then calculate how many amps your amplifiers need at high output. then figure in a little overhead. So say your amps will require 150A. You will need at least that big of an alternator. HO alternators are not cheap either. I priced a 150A for my Civic it was like $500+

 

I bought a 165amp alternator off of a good Ebay seller more than 4 years ago for far less. It's still in the car today. If you're looking at brands like Stinger, you're paying for the name.

 

hold on everybody

 

i have the subwoofers and deck on and using my ohmmeter and putting it on the ohmmeter selector (20ohms) and then putting th popsitive lead on the + channel and the negative one on the - channel this is a monoblock amp, a good amp, however i know these speakers didn't cost much, and that wasn't me on the youtube video i take no ownership of that, however i did take my car to frys and they tested it being at .45 ohms and they said something's gotta blow, but it hasn't.

what should i do?
suggestions?
help?

 

going with ho alt's and extra batteries sounds expensive, but i may switch the subs out if needed, or buy a capacitor if its the right thing to do just won't let this amp go

 

is 150 amp alternator the best and only way to go

 

running 4 gauge with a 80 amp fuse amp has 2 25 amp fuses and i know everyone tells me you'll only truely get 500 watts but that's enough plus this amp is rated 425-500 at 4 ohms and 850 at 2 ohms

 

bump anyone!

 

i think bigger alt will break electrical componets and a bigger better battery might be good, and i was told you have to pull the speaker wire out of the amp to test if with the meter

 

bigger wires and a second battery or capacitor would be best to keep the lights from flickering. benn there before. a capacitor did it for me.