Question about Rockford Fosgate P3001 Car Audio Amplifier
Amp is getting 12.4 vdc when not powered on. when u power it up, the voltage drops to 6.4vdc. is this normal. My problem is that im getting power to the amp but there is no sound going to the subwoofers. could it be there is not enough voltage when it is powered on. any suggestions
Here's a few things I would check:
Posted on Mar 13, 2008
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Posted on Jan 02, 2017
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In most of Rockford's amps, the low voltage detection is connected to the remote input. If the remote voltage is too low and they use the same circuit on this amp, it could trigger the protection circuit.
Disconnect the head unit's remote from the amp. Use a fuse holder with a 3 amp fuse to jump between the B+ connection and the remote terminal of the amp. If the amp powers up, the head unit's remote output may be defective. If it blows the fuse, the remote input or part of the power supply is damaged. Do not try it with an unfused jumper.
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