Question about Legacy Audio American Legacy II LA290 Car Audio Amplifier

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I have an american legacy series 2 1000watt apm

I have an american legacy series 2 1000watt apm and when i start to turn the music up in my truck the amp cuts out and i have to turn the stereo off and turn it back on why does the amp cut out

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If the fuses were the problem then you would be replacing them all the time. Fuses are only good once - and are only in place to protect the circuitry from damaging overcurrent situations.

More likey, the problem is a thermal protection resulting from over-driving the amplifier. What impedance are the speakers you are running? Does the amplifier support that impedance? Typically, car audio runs 4-8 ohm impedance. Many amps have a switch to place the unit in the proper impedance mode.

Check your wiring. Do you have it wired correctly?

Posted on Apr 03, 2009

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Check and see what size fuses it uses. Your watt power means nothing without good fuses. My suggestion would be to go buy 40a fuses and replace the ones you already have.

Posted on Mar 01, 2009

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Anyone can help me please?


Can't really find anything about them but maybe if you contact Legacy and beg a little they might have a circuit diagram hiding away somewhere. Here:Legacy

Jan 29, 2012 | Legacy - American II: 2 Channel 600W...

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CAN THE AMERICAN LEGACY SERIES 2 LA490 AMP HANDLE A 2 COILS 12'' KICKER SUBWOOFER??


yes, should be fine in series or parallel. it will run hotter under lower ohms but crank out more volume!

Jan 28, 2011 | Legacy Audio American Legacy II LA490 Car...

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I need to know the size of external fuses for a american legacy amp 2000 watt 2 channel 1990


25 to 30 amp fuses will work great, anything lower could possibly blow a fuse when a good bass note hits even if there is nothing wrong with the amp. Hope this helps.

Jul 09, 2010 | Legacy - American II: 2 Channel 2000W...

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Problem with legacy amp


I would check the RCA preamp wires connecting the stereo to the amp. If these are loose or broken, it could cause you to lose your sound.

Does the amp show signs of life, such as clicking on, an LED turns on, or anything like that?

Has anything else changed between the time it worked and didn't work?

Mar 20, 2008 | Legacy - American II: 2 Channel 2000W...

1 Answer

Installation


If you've got a standard 4 speaker system (2 front, 2 rear), your best option is to connect both left speakers to the left channel amp output and both right speakers to the right channel amp output. The only thing you lose is the ability to fade the speakers front to back.

Mar 04, 2008 | Legacy - American II: 2 Channel 1200W...

1 Answer

What size fuse do i need for amp


start with a 50, may need to increase it if you are not using a large capacitor.
600 watts = 12x
x= 600 watts / 12 volts
x = 50 amps

Dec 13, 2007 | Legacy Audio American Legacy II LA490 Car...

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