Question about Rockford Fosgate Power 1500BD Car Audio Amplifier
Amp is NOT in protect, and turns on without over heating. No fuses were blown. I put it in a 65 mustang ran for 1 hour. Turned off the car, turned it back on and heard a thud. Any help??
The amp has failed and will need to be repaired.
Let me know if you have any other questions.
Posted on Jul 18, 2008
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Posted on Jan 02, 2017
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Jul 06, 2014 | Car Audio & Video
Jul 27, 2013 | Car Audio & Video
Generally speaking, an amp protects itself from heat, shorts, overloads and operator exuberance by refusing to turn on or stay on.
Overloads can be from excessive periods of high output or marginally low impedance loading by the speakers; and shorts would be wiring issues or a speaker blowing up.
You should be able to feel if it's hot. WHY is it overheating? Make sure it has sufficient ventilation on all sides and that vent holes are not blocked by dust balls. Ensure the fan (if equipped) is running as designed (some only operate on demand). Clean dust and debris from it.
If the amp comes back on after cooling, you're lucky. They only have so many self-protection cycles in their lives so continuously resetting or cycling their power without addressing the cause can do more harm than good.
If you can gain access to the subwoofer driver, disconnect one side of it and see if the amp comes up. The driver miight have shorted.
If it does not come up the problem is internal and should be left to an experienced and competent hands-on tech.
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