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I have a mrd-1005 amp and the cooling fans are not turning on

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Maby the cooling fans need replacing
or its not hot enough for the fans to cool the AMP down

Posted on Jul 19, 2008

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Amp gets hot and shuts down

Time for a bigger amp or better wiring to the amp. You can try a cooling fan setup to cool the amp. Brushless computer fans work pretty good, draw very little current and move quite a bit of air and they're really cheap to buy.

Dec 18, 2013 | Kicker Car Speakers & Subwoofers

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I have a Alpine MRD-M1000 amplifier, when i turn up the volume my subwoofer starts to pulsate and make noises. what could this be? I was told it was the DC output, if so were is it located inside the amp?

The problem could be that the amp is not getting enough power. Do you have 4 guage power and ground wire to the amp? If so, is your ground wire grounded well? If it continues and you have a multimeter, check to see how many amps are going through your power wire to your amplifier.

Aug 29, 2011 | Car Speakers & Subwoofers

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I need to move the amp off of my visionik vbx12a sub to the front of my car but when u remove the amp off the sub u realize there isnt a back to the amp so the its circuits are just out there so where...

maybe you can build an amp rack some where else in the car or behind a pannel but make sure you use some kind of 12 volt fans to keep the amp cool . then extends the wire to the subbox and then you have to disconnet the subbox and move it not the amp

Oct 14, 2010 | Visonik V15S4 Car Subwoofer

1 Answer


here is the link to your amp, should have all the specs and troubleshooting guide you need.

Sep 19, 2010 | Car Speakers & Subwoofers

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I have a 1241d sub and am pushing it with a MRD-M300. The amp will play for a while and then just shuts off. Power light goes off. Could have a bad sub, How can I check it or do you have any suggestions....

it sounds like your ground is just disconnecting check to make sure that the wire is not rusted or broken in places also make sure that your ground wire is secure and not rattling around. if your sub or amp was broken or had a bad fuse it would not turn on. just try that i am almost positive.

Jun 03, 2010 | Alpine SWR-1241D Car Subwoofer

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Need to build a ported sub box for my alpine swr-1222d subs x 2

Try going to Alpine web site, I think they have box building program as well that you just input your sub models into and it gives you blueprints for various types of enclosures. I know Rockford has one and a comparative attachment to compare equipt specs. Or if you call Alpine headquarters you may be able to get info that way, I once sweet talked a rep @ a demo vehicle I met doing some car shows that turned me on to a senior rep @ Korbon Trading the owners of Rockford Fosgate and they gave me specs for a 5 stage band pass box for some competition subs that was more intricate and detailed than anyone before that could find me, Won me first place in spl. Matching your box specs to your subs is crucial and the best specs are often kept a secret for demo competition vehicles! So ask around with some competition guys or other top experts if your real serious about your boooom.

Mar 13, 2009 | Alpine Type-R SWR-1222D Car Subwoofer

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Hi i have 2x alpine swr-1222d'd and need to build a ported box for them. I am running a alpine mrd-1005 to power them. I'm trying to work out how to use the program WinISD to work it out but really dont...

what you do is, you find the volume of the inside of the box, then go to a port calculating website and type in what you 100% sure your numbers are right, then pick if you want 1 or 2 ports, round or square, again be sure you get all the numbers right....if you dont, youll end up with sloppy joes in the trunk.......need any more help let me kno....

Mar 13, 2009 | Alpine Type-R SWR-1222D Car Subwoofer

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Bridging to 12 inch kicker competition subs to my 1000 watt alpine 4 channel amp

I'm a bit confused. For Alpine amps, the "M" prefix is for monoblock (aka single channel) amps and the "F" prefix is for multichannel amps. The only M550 I find is an MRD-M550, which is a monoblock, not a 4 channel like you say.
Unfortunately, I can't give you accurate help until we know weather it's truly 1 channel or 4 channel. Then I'll be glad to help!

Mar 05, 2008 | Kicker 01C8VR4 Car Subwoofer

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