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Alpine F450 amp problems

 

New member
Username: Cipherous

Post Number: 1
Registered: Aug-05
Hey all

here is my setup

4 6.5 infinti kappas (all around) - 50 watts each
12 inch infiniti sub - 200 watts
Alpine F450 amp (5 channel for speakers and sub)
8 guage wire (as alpine recommended)

For about 2 years, I've been able to run this setup without any troubles with my car.

At first, the sub woofer had some buzzing noises. So I decided to disconnect the subwoofer and just run the 4 speakers (I didn't have time to look into the subwoofer problem because of work) . However, recently the alpine amp went into protection mode (red light LED) and I cannot get any sound out of my system. Actually, it goes in and out of protection mode (which causes no sound to be produced).

What puzzles me is that

1) the car's electronic system seems to be fine. The battery seems to be working

2) the fuse isn't broken, I checked with a volt meter. Also, fuses on the amps aren't broken either

3)it goes into protection mode immediately if I attempt to turn on the stereo at very very low volume.

4) ground hasn't changed for 2 years (its grounded to solid metal to the chasis)

5) all the settings are near stock level, no inordinate amounts of juice used. Again, same settings that I've used for 2 years.

Does this mean that my trusty alpine is busted? Or am I overlooking something?
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