Question about Rockford Fosgate Prime R500-1 Subwoofer Amplifier
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Posted on Jan 02, 2017
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
SOURCE: amp blowing fuses
The amplifier probably has shorted output transistors.
Disconnect the speakers and RCA cables. Replace the fuses with two 10 amp fuses or a single 20 amp fuse. If the amp blows the fuse when it powers up, the outputs are almost certainly the problem. Don't try it with the two 30 amp fuses. The smaller fuses will provide more protection for the power supply. If the amp powers up with the smaller fuses and they don't blow, check the speakers and the wiring (for shorts to ground or shorts between wires).
Posted on Nov 22, 2007
The person(s) who hooked up your system made a boo boo. They wired your remote turn on lead to the power antenna lead instead of the amp turn on line (both are blue and easy to mix up). Thus when your radio is on it sends a signal to the amp and the amp turns on, but when you set to CD the signal goes away and your amp shuts down. Easy fix, just re-wire the amp turn on lead and the problem will be fixed.
Posted on Jun 24, 2008
are u sure u have them running at the right ohms, for not only the subs but the amp too...if you go lower than your amp is rated you can fry stuff...via protect mode......hopefully this helps
Posted on Mar 21, 2009
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