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Need Help! Think my amp is DOA

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Old Mar 7, 2010 | 04:57 PM
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From: Hubbard, OH
Need Help! Think my amp is DOA

Alright. Here's the problem. I have a kicker 08zx400.1 and it is cycling endlessly into protection mode. Both the side LED and the front LED light up. It clicks on and immedeatly trips. I've checked fuses, ground, power, RCA's and every other wire for crimps cuts holes whatever. I have it grounded to the rear seat bolts. I tried running the amp without the sub it continued the endless protection loop for over 10 minutes before it finally stopped and seemed to be working fine. I ran it through a few bass heavy songs without the sub attached and it didn't trip once. turned the car off hooked the sub back up and the same protection loop. I'm running a Alpine type R wired at 2ohms btw. Any help would be great. Thanks in advance!
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Old Mar 7, 2010 | 11:12 PM
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From: Lower Mainland B.C.
Try moving your ground direct to the battery, see if it still does it.

What size wire are you running
A pic of your setup might help a bit
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Old Mar 8, 2010 | 01:57 PM
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From: Hubbard, OH
I'll see what I can do about getting some pics up here in a little bit. I'm going to go try to move the ground now and pray that helps.
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Old Mar 9, 2010 | 12:20 AM
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From: OR
i bet its busted. ive seen some busted kickers do that.
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Old Mar 10, 2010 | 02:39 AM
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From: Hubbard, OH
Well Emp you were right. I had my buddy who is an electrical engineer come over and help me troubleshoot. Ground and Power were both reading spot on to the amp. Getting 3.8ohm from each coil on the sub. It stopped clicking on yesterday and just had a flashing protection LED. We took it apart to look at the innards and there was no obvious damage and everything was reading fine so we hooked it back up and took more readings and they were all fine but it kept tripping mind you this was with only power gnd and remote connected sure enough after ten minutes or so it stopped going into protection mode and was running without incident again. His best guess without a detailed schematic is that there is a bad solder joint somewhere.

So now I'm looking for a new amp. Any suggestions? I was thinking the Alpine MRP-M500 I only have the one Alpine Type R sub.
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Old Mar 10, 2010 | 02:44 AM
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From: OR
i can probably get it fixed for you if ud like. or if u wanna sell it broken
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Old Mar 10, 2010 | 02:59 AM
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From: Hubbard, OH
I don't think I want it repaired. I'm officially done with Kicker. 2 subs and an amp later. I'm ready to move on to bigger and better things. I'm really in love with my Type R that's why I'm thinking the Alpine amp. but I would be very interested in selling it to you as is. If you can fix it and sell it refurb for some profit then go for it because realistically it will die a slow unmerciful death in my closet
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Old Mar 11, 2010 | 01:47 AM
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From: Hubbard, OH
Emp your PM box is full.
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Old Mar 11, 2010 | 02:31 AM
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From: OR
k cleared it up somewhat
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