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Old 11-20-2011, 03:37 PM   #1
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Amplifier question

So I have a JL Audio Powerwedge powered subwoofer. Just a couple weeks ago it just stopped working, I tried hooking up my brothers amplifier to my subwoofer and nothing happened. We also tried doing different RCAs and still nothing. Would that mean my amp is toast or I have some different problem.

I know it's not my stereo deck because I am running the stock Mach 460 speakers off of it (they require RCAs to work off of an aftermarket deck) they plug into 2 RCA Y adaptors that run into the subwoofer/audio out RCA plug in.
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Old 11-20-2011, 05:23 PM   #2
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If you tried another amp an it's doing the same thing, I would say it's not the amp. Check to make sure that a connector hasn't come loose from the sub itself. If that looks good, hook the sub directly to one of our rear speaker (a simple jumper will suffice) and see what you get. If still nothing, the voice coil on the sub is bad and needs to be replaced.
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Old 11-20-2011, 07:35 PM   #3
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Ok. I'll try that once I get some free time. I really really hate driving without a subwoofer.

There is the possibility that we didn't hook up my brothers amplifier correctly but I don't think that's the issue
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Old 11-21-2011, 07:35 AM   #4
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Re: Amplifier question

Did you ever get that problem figured out? Was it a power issue?
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Old 11-21-2011, 03:54 PM   #5
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Nope. Haven't taken a look at it. I dot believe its a power issue. I put a test light on it and the amp was getting power so I'm not sure. However I just lost my job so I'm not gonna fox it for a while
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Old 11-21-2011, 06:28 PM   #6
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So I went and used a volt meter on my amp. It put out a max of 8 volts do its gotta be the subwoofer itself.
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Old 11-21-2011, 06:34 PM   #7
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You can test that by jumping your amp to one of your regular speakers as long as you unplug it's other source. And keep the volume extra low. It is sounding alot like your sub and that will test it if you don't have another sub to test it with...
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Old 11-21-2011, 07:16 PM   #8
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Quote:
Originally Posted by Ruthless
You can test that by jumping your amp to one of your regular speakers as long as you unplug it's other source. And keep the volume extra low. It is sounding alot like your sub and that will test it if you don't have another sub to test it with...
I've got a brother with 2 kenwoods so I just gotta get off my butt and test it on his.
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Old 11-21-2011, 09:38 PM   #9
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Well get going!!! Lol. I dont know how long my system was down until I finally looked into it and it ended up being a loose wire... I was so mad at myself I rode around for like two months without bass for no reason. So here I am as your motivator. Get up!! Go test it!
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Old 11-21-2011, 09:41 PM   #10
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Was it the ground? I had the same problem once and it was that.
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Old 11-21-2011, 10:03 PM   #11
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I know it's not any loose wires. I pulled my deck out and checked those, I regrounded my ground, checked the RCAs. I checked like every wire.
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Old 11-21-2011, 10:05 PM   #12
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You might of killed the sub get a different one and try it
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Old 11-21-2011, 10:15 PM   #13
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That's my guess. What confuses me is that I've only had it in for maybe 8 months with a 250w amp and a woofer that's rated to 300w
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Old 11-21-2011, 11:12 PM   #14
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What the amp and sub trust me I killed a sub
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Old 11-21-2011, 11:15 PM   #15
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It's a JL Audio Powerwedge. A JL WX woofer with a 250W JL amplifier.
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Old 11-21-2011, 11:30 PM   #16
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What model number the one I found needed 500 watts that mean you would underpower which can hurt a sub over time
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Old 11-22-2011, 12:13 AM   #17
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Hm I'll have to look that up tomorrow. I ordered it off of Crutchfield under the powered subwoofer category.
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Old 11-22-2011, 09:18 AM   #18
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Re: Amplifier question

JDF, let us know when you Test a different speaker on it, to see if it is the Subwoofer thats the problem.
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Old 11-22-2011, 12:26 PM   #19
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Quote:
Originally Posted by KATO
JDF, let us know when you Test a different speaker on it, to see if it is the Subwoofer thats the problem.
I will
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Old 11-22-2011, 01:39 PM   #20
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Don't do anything to void a waranty. Crutchfield is a good company and they have always done right by me. I almost guarantee they will do something for you to replace it at little or no cost to you. Never hurt to ask.
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Old 11-22-2011, 01:54 PM   #21
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I've had the sub for a year and a half and I honestly don't know if I have the paperwork still
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Old 12-06-2011, 02:20 PM   #22
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Well I finally got around to testing my sub. I hooked it up to my brothers amplifier, absolutely nothing. It looks like I gotta go out and buy a new subwoofer now.
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Old 12-07-2011, 08:24 AM   #23
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Re: Amplifier question

Don't feel soo bad about the subwoofer, I had been riding with 15" DVC for a few years, desided it was too much, and had gotten different car. Just for the Hell of it, I let my son use them one at a time. It took some Tech at a shop, to tell him/explain to him how good, how expensive those Subs were, for him to believe it was something I had. Months later he blew/destroyed both of them.
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Old 12-07-2011, 12:51 PM   #24
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I'm just glad it's the sub not the amp, subs are much cheaper
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Old 12-10-2011, 12:01 AM   #25
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So I've had an interesting little twist. It seems as if a wire had come loose in my subwoofer, if I move it slightly the speaker will work. Here's my question, is there any to take the woofer apart so I could fix it?
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Old 12-10-2011, 04:41 AM   #26
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Quote:
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So I've had an interesting little twist. It seems as if a wire had come loose in my subwoofer, if I move it slightly the speaker will work. Here's my question, is there any to take the woofer apart so I could fix it?
Yeah.. Like can you take it out of the box? or are you asking If you can get inside the speaker itself
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Old 12-10-2011, 11:35 AM   #27
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Inside the speaker. I've got the sub out of the box and the positive wire in the speaker is loose so that's what I want to fix
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Old 12-10-2011, 01:16 PM   #28
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Inside the speaker. I've got the sub out of the box and the positive wire in the speaker is loose so that's what I want to fix
If you can reach it with a solder gun your golden.
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Old 12-11-2011, 02:16 AM   #29
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I wish I could but it looks like it goes into the cone so I'm kind of at a loss right now
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Old 12-11-2011, 04:17 AM   #30
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I wish I could but it looks like it goes into the cone so I'm kind of at a loss right now
That's no good, possibly still fixable look up online how to disassemble your speaker model.. Might be surprised what some people have done already
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Old 12-11-2011, 11:23 AM   #31
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Yep I'm hoping I can fix it
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Old 12-11-2011, 01:53 PM   #32
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Yep I'm hoping I can fix it
I'll hope with ya.. Being subless sucks.. And buying a new one also sucks.!
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Old 12-11-2011, 02:00 PM   #33
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Yes it does. My brother makes me jealous. His subs hit pretty hard.
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Old 12-11-2011, 05:26 PM   #34
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Yes it does. My brother makes me jealous. His subs hit pretty hard.
I like mid-range base the best actually best thing you can do is just get a single 10 or 12 and then upgrade your door kickers! That sounds sweet and it's right there by for feet. IMO
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Old 12-11-2011, 06:28 PM   #35
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I've got a single 10" sealed sub. Im not gonna have money for new speakers for a very long time
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