Question about Legacy Audio American Legacy II LA690 Car Audio Amplifier

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Amp problem the green power light on my legacy amplifier wont turn on and i dont know why.

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Have you checked the fuses on the amp?

Have you confirmed that you have both B+ and remote voltage at the amp?'

When measuring the voltage, place the black meter probe on the ground terminal of the amp.

Posted on Sep 18, 2008

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My amp jl audio 500/1 i connect it and the green light turn on then i turn in the sterio and it sounds but when i turn off the sterio and when i wanna turn it on again the amp dont turn on i dont know why


Check the remote lead and see if it is getting power at the amp when it won't come on that way you know if the issue is with the head unit or the amplifier.

Mar 08, 2011 | Jl Audio 500/1 Car Audio Amplifier

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I hooked up my 2400watt legacy amp but the "ice" dont light up nor does the red nor green light on the amp also there is a place for two fuses on one side of the amp , do i need fuses b4 it well...


You must have the fuses in the amp in order for it to work. Consult the user manual or call a car audio store to see what fuse you need. The amp will NOT work without the fuses.

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2000 watt american legacy amp protection ligh wont go off


Same thing happened to me so I returned it for repair turns out it was an internal 25amp fuse on the output. Got it back an it sounded very weak now it does not play at all. Nothing wrong with my setup as I have now got an 800watt amp that is running great.

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I dont know waths the amp for the two fuse on my Legacy II LA890


On your normal mid range amp it uses 20 amps, but on your up scales amps they use 30 amps

Dec 15, 2008 | Legacy Audio American Legacy II LA890 Car...

1 Answer

American legacy II LA690 amp


MOST LIKELY THE AMP IS BLOWN TRY TO CONNECT ONE SPEAKER AT ONCE TO SEE IF THE IS SOUND IF THERE IS YOU HAVE THE WRONG OHM LOAD

May 13, 2008 | Car Audio & Video

1 Answer

No power in my amp


If you are going to try to repair this yourself and can't find a schematic diagram, read the following page. It should help you through basic troubleshooting.

Amplifier Repair Primer

If you have questions, let me know.

May 02, 2008 | Legacy Audio American Legacy II LA890 Car...

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My Power Protector Light wont turn Green


switch off the amp then take off all the wires off including the speaker wire and then reconnect the wires on like before the problem is that the amp is on protection and if that dont work then get it repaired another thing is make sure ur amp fuses havent blown.

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connect your remote turn on and your problem will be solved

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American legacy II LA690 amp


it's shutting off for a reason. What speakers are you trying to run? Do you know what impedance they are wired for? Where is the gain set? When bridged that amp is only stable at 4 ohms mono and will/should shut down at impedances lower than that.

Mar 22, 2006 | Legacy Audio American Legacy II LA690 Car...

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