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Blew a sub in 12hrs. I think that's a record. Need a little help.

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Old 07-24-2009, 02:29 PM
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Blew a sub in 12hrs. I think that's a record. Need a little help.

Alright I installed everything and it worked good for 12 hours or so. Then nothing. Well after talking to kicker they came to the conclusion that the sub was blown. Good news is amazon is shipping me a new one and it'll be here on monday. I was hoping you guys could help me figure out where I fucked up.

Here's how I had it wired.

8 AWG power and ground wires to the amp.

I used 8 gauge speaker wire to the sub box terminals (here's where I think I fucked up) The terminals accept 12awg? So I had to thin out the 8 gauge but I didn't thin it out at the amp terminals. I wired the sub in series with the same 8 awg wire.

I had the gain set at 60-70% and never turned the remote bass level above half. So I'm confused.

Any help would be awesome
Old 07-24-2009, 02:38 PM
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your wires had nothing to do with it, when i wired my l7's at 1 ohm i had to trim down my 10g wire because i had to put 2 wires in each terminal.
Old 07-24-2009, 02:41 PM
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whats the size of the amp and sub (RMS WATTS)
Old 07-24-2009, 02:47 PM
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It's a kicker CVR 12 with dual 4 ohm. and a kicker zx400.1 sub puts out 400watts rms and the amp puts out 400watts rms at 2 ohm
Old 07-24-2009, 07:56 PM
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No record, I had one blow in less than 15 min. years ago.
Old 07-25-2009, 01:54 AM
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cvr cant take 400w. and 8g is overkill for me you dont need it
Old 07-25-2009, 01:57 AM
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Ill sell you two Audiobahn Alum Q's for 150 Shipped.

They put out 1000 Watts RMS and 2000 Peak EACH!
Old 07-25-2009, 02:00 AM
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Originally Posted by 1100psi
Ill sell you two Audiobahn Alum Q's for 150 Shipped.

They put out 1000 Watts RMS and 2000 Peak EACH!
You mean they can "handle" 1000/2000 watts, not produce that power.
Old 07-25-2009, 02:04 AM
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Originally Posted by GTPUSER
You mean they can "handle" 1000/2000 watts, not produce that power.
They produce power. Trust me.

I used to run Dual Optima's with an 1800/1 Audiobahn amp.

It used to ******* pound. PERIOD.

And for 150 for 2 when I paid 300 each 4 years ago is a deal IMO.

One will hit twice as hard as a CompVR.
Old 07-25-2009, 03:18 AM
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The sub is rated to handle 400watt rms and 800 peak and like I said I even had the gain just slightly over half on the amp and not even over half on the remote bass level. I merely used the 8gauge because I had it. Thanks for the offers but Amazon was nice enough to ship me a brand new one. Free of charge I'm just hoping to get it right this time around. Just trying to figure out what exactly I did wrong.
Old 07-25-2009, 04:26 AM
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Originally Posted by 1100psi
They produce power. Trust me.

I used to run Dual Optima's with an 1800/1 Audiobahn amp.

It used to ******* pound. PERIOD.

And for 150 for 2 when I paid 300 each 4 years ago is a deal IMO.

One will hit twice as hard as a CompVR.
hey listen man u need to chill out, not only are you wrong but you came across as a douche, at least to me. so take a look at this pic man



see right behind the guy in white? the tip of the pile of oh 200 so audiobahn subs, don't make me **** your **** up and say ill sell 5 of them for 100 bucks

Originally Posted by mikelpn
The sub is rated to handle 400watt rms and 800 peak and like I said I even had the gain just slightly over half on the amp and not even over half on the remote bass level. I merely used the 8gauge because I had it. Thanks for the offers but Amazon was nice enough to ship me a brand new one. Free of charge I'm just hoping to get it right this time around. Just trying to figure out what exactly I did wrong.
settings on the amp were fucked. either gain or boost has to go down. subs with blown coils are 100% user error not manufacture defect.

Tell me all the setting levels on the amp (i think the only thing left is low pass but just in case)

Last edited by EmperorJJ1; 07-25-2009 at 04:26 AM. Reason: Automerged Doublepost
Old 07-25-2009, 04:42 AM
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Ill give you this photo for reference

ok, I had the gain set between the 4th and 5th marks the bass boost set between the second and third and the X-over @ 200 where it came set at out of the box.

Trust me I don't deny user error just trying to figure out what I fucked up so i dont blow the new one.

I read somewhere that kicker amps "read" 5 volts and that I should turn the gain all the way down? I dont know and I can'y find the link.
Old 07-25-2009, 04:49 AM
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i was feeding 500 rms to my kick comp cvr... it was bridge only running one sub... i did blow one though, but because i wasnt feeding it enough power... only 250... the cvr needs 400 rms if i remember correctly...
Old 07-25-2009, 04:59 AM
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I had it wired in series for a 2ohm load. The kicker came rated at 492 rms. I had all the gain levels set as stated above. It was a new sub so I didn't want to push it and because about 70% there was alot of distortion.
Old 07-26-2009, 12:39 AM
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bump?
Old 07-26-2009, 01:01 AM
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Talking

Originally Posted by EmperorJJ1

the tip of the pile of oh 200 so audiobahn subs, don't make me **** your **** up and say ill sell 5 of them for 100 bucks
do it.
Old 07-26-2009, 01:24 AM
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well i had 2 cvrs 400rms each and a 800x1 rms kicker amp had the gain and the bassboost to the max on the amp and the deck all it did was keep shutting down the amp because of heat...subs can handle alot of punishment..only difference is your sub is a 4 ohm and the amp is 2 did you by chance only have the one voicecoil hooked up to your amp? "the 2 black and 2 red" terminals on the underside of the woofer
Old 07-26-2009, 01:29 AM
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no way I ran 8gauge wire one from the black terminal with the white dot to the solid black and vice versa on the red and ran both wires to the amp from the terminals with the white dot right out of the instruction manual that why I'm confused. I obviously did something wrong I just can't narrow down what exactly.

Also when I get my new sub I'm going to use new speaker wire any reccomendations on the gauge?

Last edited by mikelpn; 07-26-2009 at 01:29 AM. Reason: Automerged Doublepost
Old 07-26-2009, 01:36 AM
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personaly i would use 4 or 6 guage..sounds like you had everything right mabye it was a lemon..i bought a jl w7 13.5 never lasted a day...brought it back got a new one hooked it all up and it works fine i hit 145 db and 162 "in the port"at the audio show last week hehe amd its a year old with hard use
Old 07-26-2009, 01:39 AM
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4 gauge speaker wire? I couldn't get the 8 to fit as it is
Old 07-26-2009, 01:43 AM
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Originally Posted by mikelpn
4 gauge speaker wire? I couldn't get the 8 to fit as it is
8 guage is tiny man those holes must be small...by some chance when you trimmed them did you leave any strands of wire poking off so mabye some chance they crossed over? and as for static that could be the cause and it could be your audio cables to your deck might be worn or just needs replacement
Old 07-26-2009, 01:49 AM
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I'm almost positive it's 8 gauge. It's pretty thick even without the insulation. As for a chance the wires touched? Doubtful I cut off all the excess and taped what wasn't in the terminals.
Old 07-26-2009, 01:51 AM
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when you get your new sub hook it up as you did thurn the bass boost and gain to a little less then half or more if your scared of it turn up the music if it shoulds like **** turn down the gain on your amp untill it sounds good if it sounds good at half either decided to leave it as is or turn it up little by little untill your happy....dont forget the pics of the install
Old 07-26-2009, 01:52 AM
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Originally Posted by mikelpn
4 gauge speaker wire? I couldn't get the 8 to fit as it is
**** 4 guage wire man. Use at most 10ga. speaker wire. Hell, you might even be able to get away with 12ga. for a 400wrms sub. 4ga. my ass. That's the **** I use to POWER my amp running 2 subs, and my mids!
Old 07-26-2009, 01:52 AM
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yeah after I get everything working the way it supposed to be I'm going to take a few photos and post them. It looks pretty sick and for the 12 hours or so it sounded awesome.


Quick Reply: Blew a sub in 12hrs. I think that's a record. Need a little help.



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