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My amplifer will cut on and off between on and protect.

The amplifier i have is a kicker impulse 1252 it is 2 channel and bridgable. The problem is that every time it goes to push the watts to the subs it fails and goes the protect mode and shuts on and off. I really need to fix this so please someone help.

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Re: My amplifer will cut on and off between on and...

Protect mode is a good thing but frustrating as well.... KISS keep it simple stupid... 1. good solid ground 2 amp, closer better 2. good steady 12volt current reading, some amps will go into protect mode when starved of juice... wire at a time left sub neg. right sub neg. 4.again one wire at a time left pos.right pos.... ALL WIRING TO BE ONE PEICE UNBROKEN AND CORRECT AWG...... dont bridge anything out or go crazy until this very basic and to the point way is working for you.. ull drive yourself crazy make sure of no reverse polarity.. very common mistake....

Posted on Nov 03, 2013

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Re: My amplifer will cut on and off between on and protect. - Kicker R3 Car Mid-Range Car Speakers & Subwoofers

Try with one sub at a time to see if bad sub

Posted on Aug 22, 2007

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I have a kicker 12"

Your amplifier is starving for power your alternator isn't capable of providing.Several things you can do, from least expensive to most expensive.
1.Use a heavier guage power wire from the battery to the amp 4 guage would probably do. Make sure your ground wire is as short as possible, never extend it.
2. Make sure the point where you ground the black wire from the amplifier to the chassis is a clean metal connection...remove all paint and grind the metal to expose clean metal and re connect ground.
3.Add a 1 farad stiffining capacitor to the system.
4. Replace your current alternator with a high output one that is designed to output current at a much higher rate.

Aug 05, 2011 | Kicker Solo-Baric L7 S12L7 Car Subwoofer

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My kicker dx 500.1 and my xpliod tens worked for all of ten seconds before the protect light went red then green keeps doing that

You are running more then 1 speaker on a 1 channel amp. You need to verify how many ohms your subs are, and what ohm you are wiring your subs to run at. Your amp is only capable of running at 2 ohms.

Here is a link to figure out how to wire them correctly.

Here is a link to your amplifiers specifications.

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Connect one to each channel, for the best sound.

Jan 05, 2010 | Kicker Solo-Baric L5 Car Subwoofer

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Subwoofers don't work all the time.

I've had similar problems in the past with speakers. The most likely culprits are 1) over excursion of the subwoofer. If you have the bass boost or gains set too high, the speaker recieves a distorted signal,the amplifier would likley read this as an open vioce coil and engage protection circuitry. 2) a voice coil on the verge of collapse(same result as above) 3) your amplifier is running at too low an impedence(some can only bridge into a 4 ohm load) and is over heating. You may be pushing the amp beyond its ability, and it is over heating. or. 5) the amplifier has faulty internal circuitry(least likely but I had a brand new amp with a dozen cold solder joints on the printed circuit board) and is cutting out as a result of inadequate electrical transfer.

Aug 18, 2009 | Car Speakers & Subwoofers

1 Answer

2 channel amp with 2 Kicker Cvrs 15"

Assuming the amplifier is 2 ohm mono stable... the amplifier is bridgeable... and the subwoofers are Single 4 Ohm Voicecoils, You would wire them as follows....

Both + on Both subs to the + bridged terminal on the amplifier.
Both - on Both subs to the - bridged terminal on the amplifier.

This will net a 2 ohm mono load for your amplifier.

If you have something different - let me know... and I will give you the proper wiring for what you have.

Thanks for using FixYa - a FixYa rating is appreciated for answering your FREE question.

Jun 10, 2009 | Kicker CVR12 Car Subwoofer

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Multible amp wiring

Its always a better idea to use a distribution block when splitting your power source to multiple amplifiers-but you asked if it would work not what a good idea is -so to answer you yes it will work -im not recommending it but sometimes ya gotta do what ya gotta do

May 22, 2009 | Kicker CVR12 Car Subwoofer

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How to wire a kicker 15 cvr

175W x 2 @ 2 ohms
350W x 1 @ 4 ohm
Your amplifier is not stable @ 2 ohm bridged. So you will have to wire them independantly on each channel.
+/- on sub to +/- on L channel
+/- on sub to +/- on R channel
Wiring the subwoofers in paallel will result in a 2 ohm load, which your amplifier is not rated to do. Doing so will cause heat buildup, and damage to the amplifier.

Dec 23, 2008 | Kicker CVR12 Car Subwoofer

1 Answer

Protection light lights up for a second and turns off and the amp seems like it is not working. It is connected and wired correctly.

disconnect the speakers from the amplifer, and turn the system on again. if the protection light still is active even without the speakers hooked to it, then it is most likely that you have a blown transistor in either the power supply section, or the output section.

Either way, your amplifier will need to be serviced.

Dec 07, 2008 | Kicker Car Speakers & Subwoofers

1 Answer


This will depend on the amplifiers capabilities.

I will give 2 different scenarios.

#1 Stereo configuration

If the amplifier supports an RMS power output close to the RMS input power of the subwoofers then run the amplifier in stereo mode. For example 150 watts RMS X 4 channels driven at 20-20khz. (If you can provide a model # for the subs and the amp your looking at I can help you further with this decision.

Wiring for this is easy and simply involves matching the connectors for 2 of the channels (Front or Rear) to each of the subwoofers.

#2 Mono Bridged mode.

If the amplifier is lower power but mono bridgable you can bridge two Pairs of channels and power each of the subwoofers this way.

Generally speaking a 2 channel bridgable amplifier will be able to at least combine the wattage of each channel into a single monural channel and in many cases its actually higher.

So you would bridge the front 2 channels into a single bridged mode for one subwoofer. and then you could bridge the read 2 channels into another bridged mono channel for your other sub woofer.

For example if you had bridgable amplifier thats 50 watts RMS X 4 you coudl very likely (Generalization based on quality of amplifier) send 150 watts RMS to each subwoofer.

Again I would need to know what amp you're refering to to provide specific wiring instructions. Many Bridging amplifiers either have a single switch that will send them to bridged mode or you would use the positive + terminal from one channel and the negative - terminal from the other channel or a combination of both.

Sep 17, 2008 | Kenwood 12" 4-Ohm Single-Voice-Coil...

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