Question about Rockford Fosgate 800.2 Car Audio Amplifier

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Power light vs. protect light mode

I have a general question..i never paid attention to the light on my amp...when i hooked it up after a couple years, there's a red light on, on the center of the amp in its emblem/lable....and i was wondering is this the power light or the protection mode light?  Because a while back my sub shorted due to a crimp from my speaker wire which was cause by my backseats folded down to the trunk area...it shorted out the subbed and i saw the short on the speaker wire as well...i don't know if my amp was shorted out or not, b/c i took everything out and never messed with the amp til now....just wanna see what you would normally look at if you were looking at the amp to see if it's working properly..i opened it up and couldn't find anything wrong.  Does the amp have a separate fuse for it?...and one more question, if i was to hook up a sub to my amp to test it out...would it endanger my sub and cause it to short, is that possible?  please let me know ---thanks

Posted by tranlich on

  • tranlich Nov 01, 2007

    thanks, I'll try out your suggestion and measure the DC voltage

  • tranlich Nov 01, 2007

    thanks for the tip, i'll try it out and let you know

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If the power light on top of the amp is on, the internal power supply is operating.

It is possible that the amp could damage the speaker if it has blown output transistors. Before you connect a speaker to it, you should measure the DC voltage across each pair of speaker terminals. If the DC voltage is more than a fraction of a volt, the amp needs to be repaired.

The amp requires an external fuse. Download the owner's manual from the rockford site.The correct fuse for the amp will be specified in the manual.  

Posted on Nov 01, 2007

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