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Old April 7th, 2008, 01:08 PM   #1
Chi
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How to troubleshoot sub/amp combo

HI Can someone point me in the right direction?

My Sub/amp combo was acting weird lately with it cutting in and out

After a while I wasn't able to get any power out of the amp so replaced it with a similar model.

After hooking everything up, the new amp is getting power, however when connected to the sub, there is no sound?

Anybody have any ideas on how I should begin troubleshooting?
Remote is good as well as the power going in

The fuse appears fine also as another amp also shares the same power connection.
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Old April 7th, 2008, 01:32 PM   #2
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Check your signals
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Old April 7th, 2008, 01:38 PM   #3
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Can you advise on how to check for signals?
I'm trying to get a hold of a multimeter to verify voltage

I'm def getting power to the second amp and power from remote
I also switch out the power from my working amp to the sub amp and same thing

(no sound)

I'm wondering if I burnt out a VC on the Sub but not sure how to check.
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Old April 7th, 2008, 01:46 PM   #4
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Check the signal cable from your headunit/LOC to the amp, and then check the cable from the amp to the sub(s).

By check, I mean make sure it's physically plugged in and not cut in half, frayed, melted, shorted, etc. You don't necessarily need a multimeter for that.

If you want to check the VC on the subs, hook up a multimeter and put it in impedance mode (Ohms), one pin to each terminal on the subs, compare the impedance to the specs for the speaker.
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Old April 7th, 2008, 02:16 PM   #5
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Thanks VTEC, I'll see who I can finagle a multimeter from
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Old April 20th, 2008, 12:22 PM   #6
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For some reason, LOC always cause some sort of problem for us 7gens...
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Old May 14th, 2008, 05:56 PM   #7
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this is a late response but maybe a bad ground or ohms are too low.
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