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Alpine 600 w v 12 amp says to much current

Never had this problem just this morning on my way to work, I smelled so-mething electrical burning . fuses. all seem fine

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You just burn your coil. this is maybe because you tried connecting the red (power) cable wen the car was running and the sudden surge of electricity burnt your amps' coils. open it up and look at the gold coils of wire inside. Rub your finger in it. if you see black residue you have burn it. Your amp isnt worth anything if this is the case.

Posted on Aug 06, 2008

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Amplifier displays "CUR"


Hello anwbrown,

The "CUR" display means that the amp is drawing excessive current and the protection circuit is activating. Too low impedance or shorted speakers will cause the amp to draw excessive current.

The Alpine V12 is a Class D mono amp with only one set of speaker outputs. All versions, M301, M501, and M1001 are only stable to 2ohms. Assuming that all 6 of your connected subwoofers and speakers are 4ohm and they're all connected in parallel, the amp sees a .67 ohm load, far below it's rated impedance.

When brand new, the amp could probably operate at low to moderate volume levels without drawing excessive current. But as electronic components age, their tolerances change and they become less able to withstand excessive current or mismatched impedances.

I'd get a 4-channel amp and drive the 4" speakers off the front channels and the 6X9's off the rear channels. And just power the subs off the V12 making sure that they are connected to show a minimum load of 2ohms.

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Hello zim69zim69zi,

Solid red indicates 4 possible conditions: 1) Short circuit, 2) Current too high, 3) Voltage too high, or 4) Overheated. The most common faults are the short and overheated.

If the fault is intermittent, the amp is probably overheating. If it is a constant fault, anytime the amp is powered up, then I'd recommend that you first check all of the wiring. If the wiring is OK, then you have a voltage or current problem. If it's voltage, the vehicle electrical system is probably causing it. You can check that with a meter. It should be from about 12VDC with the engine off, to about 15VDC with the engine running (alternator putting out). The amp should be able to operate OK up to about 16VDC but as components age, their values change. I'd look for a minimum of 10.8VDC and a maximum of 14.8VDC.

If the problem is overcurrent, the amp itself probably has a defective component causing it to draw too much current. It needs professional repair.

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