Question about Kicker (ZX750.1) Car Audio Amplifier

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My kicker amp goes in and out of protection, like when i turn the car on it turns on green then just goes red then goes to green again and goes back to red. I was bumping for awhile and just started hear clicking in my speakers so i unplugged them and the amp was just going back and forth into protection mode. Can anyone help me with this problem?

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First of all turn your volume all the way down and c what it does and if you turn it up to say 15 and it goes in pro mode turn it back to 13 and see if it does that and if it doesnt it means your amp is clipping. Make sure youre not overloading your amp by running it in to low of a ohm.

Posted on Nov 01, 2012

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Thankyou for the detailed fault description..it really helps!

sounds like there is one of these 3 things wrong:

1. leaky or partially blown mosfets on ouput power stage of amplifier are leaking DC onto speaker output causing amp to go into protect..this explains any banging or clicking herd.

2. There has been damage to the internal SMPS and is going into protect because of an internal rail over-voltage/under-voltage.

or 3. you have a shorted speaker lead or sub that is bringing the amplifiers load down to less than 2 ohms..buy or obtain a multimeter and have a poke around and check all your speaker leads on the ohm setting anything lower than 1.6 ohms and you have a short...also make sure that you have correctly loaded amplifier to..alot of begginer audio enthusiats overlook this important step and cook amplifiers!!

remeber impendance ratings, have a look on google, search "impendance formulas" and study up if your unsure!

hope this helps,ben

Posted on Jan 04, 2011

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