Question about Performance Teknique ICBM-779 Car Audio Amplifier

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Performance Teknique ICBM-779

I am having a problem with my amp i plug in my sub woofer and it shuts off a red light turns on saying diagnoses what do i

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You may have a defective speaker or a wiring fault. Disconnect the speaker from the amp and measure the resistance across the speaker wires. The resistance should be near the rated impedance of the speaker.

Posted on Jan 28, 2008

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Posted on Jan 02, 2017

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Performance Teknique icbm 779 I KNOW THE POWER POS N NEG FROM THE BATTERY GO BUT WHERE DOSE THE REM WIRE GO ?


That goes to your ignition switch positive. That way it has two positives. One is a constant to do things like hold memory, keep lights on, provide power to amplification circuitry. The other positive lead just tells the unit that the ignition is switched on, off, or in accessory position so your unit knows when to turn on and off.

Sep 19, 2017 | Performance Teknique Car Audio & Video

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Dont know how to connect daul voice coil on a icbm-5612 performance teknique.


If you want a 2 ohm total load..wire it from the amp positive(red) to the first coil positive(red) and then to second positive(red). Amp negative(black) to first coil negative(black) and then to second negative(black). This will give you a 2 ohm total load on the amp.

Apr 21, 2010 | Performance Teknique ICBM-6112 12" 4 Ohm...

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What should the subsonic filter be at


The subsonic filter is to help your system's overall performance by blocking frequencies that your subwoofer cannot effectively produce. For example, if you have a single 10 inch sub, it's not likely to be able to produce sound much lower than 60-80Hz with any respectable volume. If you have the subsonic filter on and set to 60Hz, it will prevent a 40Hz tone from being delivered to the sub. If the subsonic filter is turned off, your sub will get everything, and it will try to produce every sound. If it gets a 40Hz tone, it will make the sub work extra hard without any audible noise. It'll just degrade the overall so the answer to "shoud the subsonic filter stay off" would be "it depends on your system" but in most cases, you should keep it on, and set it to the low end of your subwoofer or woofer range. This also applies to filters on mids and highs.

May 15, 2009 | Performance Teknique ICBM-2400 Digital...

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Subs dont sound as loud as they did in old car


u can also check where you pluged the rca cables into the head unit make sure there in the right spot

Mar 03, 2009 | Performance Teknique ICBM-779 Car Audio...

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Performance Teknique wont work!!


If the amp is in protect mode, it probably has shorted output transistors. To eliminate other possible problems, do the following. I'll assume that you've checked the amplifier's on-board fuses.

With your multimeter set to DC volts, the black meter lead on the ground terminal of the amp (not on the point where the ground wire connected to the vehicle) and the head unit on (so the amp will have remote voltage applied), touch the red lead alternately to the B+ and remote terminals of the amp. If the voltage is below ~11 volts, you need to check the wiring feeding whichever line is too low.

If the voltage remains near or above 12v, disconnect all speaker wires from the speaker terminals of the amp and disconnect signal cables from the amp. If it powers up, the wiring needs to be checked. If it still shuts down, the amp almost certainly has shorted output transistors and will need to be repaired.

If you want to try to repair it yourself, read through the following page:

Basic Amplifier Repair Primer

Let me know if you have any other questions.

Jul 02, 2008 | Performance Teknique ICBM-779 Car Audio...

3 Answers

Having problem with my amp


With your multimeter set to DC volts, the black meter lead on the ground terminal of the amp and the head unit on (so the amp will have remote voltage applied), touch the red lead alternately to the B+ and remote terminals of the amp. If the voltage drops below ~11 volts, you need to check the wiring feeding whichever line is too low.


If the voltage remains near or above 12v, disconnect all speaker wires and signal cables from the amp. If it powers up, the wiring needs to be checked. If it still shuts down, the amp likely has blown output transistors.

Dec 12, 2007 | Performance Teknique ICBM-779 Car Audio...

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Icbm 779


If there is significantly less bass even though the speakers are moving approximately the same as before, you may have one speaker wired out of phase. Disconnect one speaker. If the bass increases, double-check your wiring.

Nov 17, 2007 | Performance Teknique ICBM-779 Car Audio...

1 Answer

Performance Teknique ICBM-9550 Amp Problem.


one of the power transistor of your unit shorted check use a tester

Aug 27, 2007 | Performance Teknique ICBM-782 Car Audio...

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