Question about Power Acoustik LT960 Car Audio Amplifier

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Protection Mode? amp wont start

Uhhhhhh....... So my amp stopped working. Everything checks out alright.... the blue LEDs are on but the power light doesnt come on. The Red (protection light) LED comes on when i first start the car but only for about 5 seconds.Help Please, Thank You,

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  • Anonymous Mar 16, 2014

    Protection led light is on on my amp

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  • 631 Answers

With your multimeter set to DC volts and the black meter lead on the ground terminal of the amp, touch the red lead alternately to the B+ and remote terminals as the amp shuts down. If the voltage drops below ~11 volts, you need to check the wiring feeding whichever line is dropping 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.

Posted on Nov 30, 2007

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Dhd amp has power but blue leds flash once and turn off. the led in the back lights up green but the blue leds that light up in the front flashon once, and then turn off. it won't let me sub hit.
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