I have a 1000/1 amp connected to a 12 w7 sub with 4 gauge wiring and a 150 fuse. i also have a yellow top battery and upgraded my battery cables(negative to ground and positive to alternator) the blue light on my amp keeps going on so i dont what else i need to do to get to work HELP!!
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Re: Jl 1000/1 amp not working
If I'm not mistaken, the blue light is the low voltage indicator. You need to confirm that the voltage ON THE POWER SUPPLY TERMINALS of the amp never drops below 11 volts. If it does, the amp will shut off. It's possible that you have a bad connection or even a defective fuse that's causing the problem.
JL recommends a 100 amp fuse for the amp. If you use a fuse that's too large and something goes wrong, the amp may be very severely damaged (possibly beyond repair).
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i highly recomend you use the hifonics colossous and wire the subs @ 2 ohms and you would be right about nominal power handling for the W7 which is rated @ 1000W, and your amp would push about 1100W to it. just be carefull when adjusting. and the best advice i can give you on the settings is as follows: Turn up the volume to the desired listening average level. (what you would normally have it on when driving) then adjust your amp by turning the different controls up, and then back down a 1/4 turn after distortion occurs. in your case with so much power dont turn them up all the way right away ease into it be gradual listen to the change in the sound.
Does the amp have a volt meter on it? That tends to be pretty helpful in determining if it has enough power. I had to run an 8 gauge wire from my battery to the amp to get enough current to power an audiobahn 6 channel 6601t, with a dual voice-coil audiobahn 12 inch eternal. In the summer mine hits a thermal protection unitl I roll down the windows and ventilate the car, but that does not sound like thermal to me. It could also be the wrong impedance for your amp/sub combo. If you are making these speakers distort, you should be deaf by now. a 1000 watt amp is no force to be reckoned with. Your sub is 1.5 to 4 ohms. I posted a link to where you can check if it is wired properly. If these are distorting, it sounds like you have these wired for the wrong impedance. There is no way you should be making this setup distort at all without blowing out windows. It could be that you need 2 batteries, or if you are a pro DIYer Get some A123 batteries from a dewalt product. They have insane discharge. But I would recommend just getting a new battery (see bottom link), and making sure you have a 4-8 gauge wire going to the amp. I know a lot about batteries, as I built my own EV, so tell me how you have these subs wired, and how you have the amp wired to the battery.
your w7 13's are dual 1.5 Ohm, but according to JL website, are 2.41 Ohms when the coils are in series. Each 13 connceted to each amp with voice coils in series is your best bet. The amps are designed to put out the same amount of power from 1.5 to 4 Ohms. If you parallel the voice coils, you end up with .6 Ohms and the amp will go into protect mode. You'll be drawing a lot of current, so you may want to think about 1/0 guage power wire, upgrade the wire from the alternator to battery (usually only 8 guage) and think about multiple batteries.