I think i messed up bad - AVS Forum | Home Theater Discussions And Reviews
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post #1 of 7 Old 12-09-2019, 01:49 PM - Thread Starter
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I think i messed up bad

So i decided to put a subwoofer in my audi a4 b5, but accidentally left the + cable on the same surface as my ground while having ground connected to my amp and it made a big spark and blew up my fuses on the + cable. But the fuses on the amp were already blown and i wanna know if it blew up my amplifier too because of the spark now?
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post #2 of 7 Old 12-09-2019, 02:42 PM
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It's hard to say if the output devices blew... however it's likely. Just replace the fuses and power up the amp with no load/speaker connected. See of the protection light comes on or for signs of trouble. If all looks good, turn off, wire up the speakers and check it for proper operation.

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Last edited by WLDock; 12-10-2019 at 11:24 AM.
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post #3 of 7 Old 12-09-2019, 04:59 PM
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I’m a little confused how it would damage your amp if the fuses were already blown, that would mean no continuation through the amp correct? Also the spark wasn’t through the amplifier from what it seems you are saying.
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Leave it at 8 ohms and call it a day :)
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post #4 of 7 Old 12-09-2019, 06:33 PM
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Hi,

If I were you, I would repost your thread and question here;
Car Audio, Video, and Nav

Since it is about car Audio, and your question is post on general home gears. You may get better knowledgeable members, about automotive gears.


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post #5 of 7 Old 12-09-2019, 07:03 PM
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Good idea above^^^ However, I've been into car audio, self installation, electronics repair since the 80's.

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post #6 of 7 Old 12-10-2019, 01:32 AM
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Quote:
Originally Posted by Russdawg1 View Post
I’m a little confused how it would damage your amp if the fuses were already blown, that would mean no continuation through the amp correct? Also the spark wasn’t through the amplifier from what it seems you are saying.
I completely agree. If the fuses is blown, then the current could not pass and damage amp. Just put a new fuse in and check for a signal?
the wire could be damaged, amp unlikely
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post #7 of 7 Old 01-14-2020, 08:05 AM
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There should be no damage as thats the purpose of the fuses in line. to save the amp.

Any updates here? Its been a while....
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