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Old 05-22-2009, 08:26 PM   #1
edco
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Whats wrong with my kids subwoofer..?

My 17 yo son has a Chevy Cobalt that he's been "pimpin" and I installed a subwoofer with 2 Boston 12" speakers, 2 2" tweeters and 2 2 X 5 horns.
It's driven by a Pyle 1000W amp and has been working great since March...

OK..so a couple of days ago he tells me that the subs aren't working..

Finally today was a quiet day and I got a chance to take a look..

Step 1) Amp working..power light / remote lights on. Took a working 12" that was sitting in the garage, attached it with clips to each side, and by golly it worked.

Step 2) OK must be blown speakers right..? Note the tweeter and the horns are working. I take the 12 screws for one of the speakers out of the cabinet, connect it to the speaker wire coming out of the amp.. sonofagun, the speaker works ! Try the other side..again, out of the cabinet, the speaker works..(and works WELL)..

Step 3) OK maybe it's the quick connect (you know the black and red clips that grab and hold the speaker wires)..Take it off..attach the wires directly to the speaker..no sound..

Step 4) Take the subs out of the box..maybe there's a overdrive breaker that popped since the amp is 1000 W and the speakers are a max of 400W printed on the magnet

Step 5) Throw cabinet back into trunk, tell son I've had enough for tonight !!!

Step 6) Post this note on E46 Fanatics..beg for ideas..

There seems to be a resistor and maybe a small capacitor inside the box (it was getting dark).. But I find it hard to believe that they would BOTH go out at the same time..

So as the title implies.." What's wrong with my kids' subwoofer?"

A million thanks for your feedback (unless you say something silly like "I dont know, take it to a pro..")

Ed in Jersey

Last edited by edco; 05-22-2009 at 08:28 PM.
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Old 05-22-2009, 08:35 PM   #2
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My 17 yo son has a Chevy Cobalt that he's been "pimpin"
If its a SS then if its a regular Cobalt then
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Old 05-22-2009, 09:24 PM   #3
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How is everythinng wired? Are ALL of those components wired into that one amp??
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Old 05-22-2009, 09:40 PM   #4
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Is there a crossover built into the box? perhaps that's busted.

Is there power coming from the wires inside the box to the sub?
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Old 05-22-2009, 09:44 PM   #5
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Is there a crossover built into the box? perhaps that's busted.

Is there power coming from the wires inside the box to the sub?
thats what i was thinking since the horns work.
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Old 05-23-2009, 01:13 AM   #6
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Is it the subs or the mids that are cut out?
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Old 05-24-2009, 01:48 AM   #7
edco
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Thanks for the helpful replies..

Yes there are resistors and what appears to be caps on either side(it's hard to see from just inside the 12" holes)

I dont know what a crossover looks like (pardon my ignorance)..

I had one PM that suggested that the resistors were probably fried and were even potentially unnecessary.

I just dont know what to replace or take out..

If someone has a pic of a crossover, could you please post..?

Thanks
ED in Jersey

PS. Is there any way to take the box apart? there seems to be a seam between the front and baffle but I cant tell it it's glued, nailed or otherwise..
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Old 05-28-2009, 03:26 AM   #8
dings808
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check this site out maybe it well help got everything to know bout sounds http://www.the12volt.com/carsecurity/carsecurity.asp
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Old 05-28-2009, 08:04 PM   #9
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The cross over will probably be just a cheap looking circuit board if at all.

Have you tried hooking the speaker wire directly to the sub? In other words, take the sub out of the box and then connect the speaker wires directly to the + and -. If this works then it's something with the connections inside the box. Most likely you'll have the x-over in there.
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Old 06-02-2009, 09:14 PM   #10
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You really need to draw out a diagram of how you have all that wired. And read the link that dings808 posted. I'm pretty sure you blew one of the components from wiring it wrong.

I give you props for DIYing it, but if you really don't know what you're doing, and your components are really low quality, there's a potential for danger here. Pyle is pretty low quality, and I'm not sure how much circuitry protection they have built into their amps.

Last edited by jdub765; 06-02-2009 at 09:16 PM.
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Old 06-02-2009, 09:19 PM   #11
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Are these HOUSE speakers in a car?
House speakers are usually 8 ohm and depending on how you wired it to an amp, you could be overloading it.

Is everything contained in one box? There must be a crossover in there to separate the highs and lows.
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