Hi, i have a Alpine mono pdx1.600 amp running a single 10" boston acoustic g5-44 sub and the amp cuts off after a few seconds at higher volumes. eventually the amp will turn back on but once the volume is turned up again, it cuts back off. On the sub, unlike other subs i have owed, the g5 only has 2 terminal posts on it. Both amp and sub are pretty much brand new (less than 4 months). For the power and ground wires i have 4ga and running the sub i have 14ga. how can i fix this?
Make sure there's no missmatched impedance. If your sub running 2 ohms then your amp has to be 2 ohms stable. Does the amp blow fuses or get really hot? If it does it can be a fire hazard and I would recommend taking it out of your car. It could be that you don't have sufficient grounding. The grounding needs to be very close to the amp and the paint needs to be thoroughly scratched off. Otherwise could be a blown transistor within the amplifier, you can check this by opening up the amp, running a multimeter and testing the transistors for resistance.
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