Alpine amp goes on and off

Does the amp get hot before/when it shuts down? Does it just power down or does the protection light come on?

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Well the thing with that is that during the hottest days of this summer, it's gotten extremely hot and gone into protection mode. It would happen after listening to music for like 30 minutes on 90 degree days. This is totally different because the amp isn't hot, it's not really a hot day, and instead of shutting off completely into protect mode, it just turns off and on randomly.

Sorry I haven't replied in a few days. I set the gain with an smd-dd1 with the -5db tone, so even if it's clipping it shouldn't be too bad. My sub is an american bass xfl d4 15" and it's wired to 2 ohms. After really looking closely at the wires, I'm pretty sure the problem isn't the power, ground, or remote. When it started going in and out again, I pulled out my dmm and checked for voltage at the speaker terminals, and there was none, so I think that means there's probably nothing wrong with the sub. I think the power light is supposed to flash on this amp when it goes into protection mode. Mine doesn't flash during the problem.

It's also worth mentioning that it worked perfectly for something like 2 months with no problems at all. This problem just came out of nowhere a few days ago.

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