Question about Crunch V-Drive V-2800 Car Audio Amplifier

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Amp goes into protect mode.

When i start my car my amp will go directly to protect mode, i can hear a small amount of music coming out of my subs but it won't hit. I was wondering if its the ground wire, a fuse blown, or if its touching the paint, I have 2 12 inch duals so i doubt the subs would blow my amp, any other solutions or tips?

Posted by kevin gray on

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I would definately suspect wiring. If you can use a volt meter. Put it on the b+ to ground and see what the reading is should be 12+ then try the ground to remote wire should be 12+. If it drops below 12 volts when car starts. Recheck wires for loose connection. Also double check the wire you have the remote wire connected to. You might even want to disconnect from the amplifier and use a jumper wire from the positive terminal on the amp to remote on the amplifier and see if it stays on then. If it stays on you will have to find the loose connection or find a different wire to get remote power.

Posted on Feb 05, 2007

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A door was left open and rain got in my truck wetting the rear seat and my amp aas set behind that seat and got wet, stopped working went into protection mode so i opened it up and saw what looked like a...

Fosgate are great amp the settings should be at low not full or high, if is bridgeable the sun's should be negative to positive the one neg- coming out of one sub and pos+ coming out the other one on the amp bridgeable channel.
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My NAD C326BEE amp goes into protection mode at moderate volume

The protection only should come on, when the power amplifier has to give more current than it can deliver. (electronic fuse)
If in the music is a lot of subsonic, sound, so low you can't hear and your speakers can't produce, this could cause the problem. Normal CD players will cut of all frequencies beneath 20 Hz, but it could be your PC is giving everything from 1 Hz and above.
I would certainly try to play some music over a CD player and check if that would solve your problem. Not sure if that works, what you could do to suppress the sub sonic in the computer music.
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I have a punch p850.4 amp that goes into protect mode as soon as its powered up , have checked and double checked all connections to make sure its all hooked right . even downloaded the pdf for the amp .

I have exactly the same problem, try a different speaker wire from your sub terminal to your amp terminal, if no luck you may have a loose connection on the wires on your sub, due to vibrations etc they can sometimes come loose, but very rare. worth checking though. 1 loose connection can make the amp go into protection mode. If all of these are fine, start from the beginning, ( I have tried this and i think its my speaker wire shorted out) 1st dissconnect all wires from amp. Then connect ground first, then your live. then power up amp, it it works andd not in protect mode your earth and live are fine, then connect your remote, then test, then speaker wire , then test, that way you can rule out bad connections and find any fault.
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My amp keeps going into some safe mode and red light blinks and stops base to my sub. I have it hooked up to 1 15.4 Orion HCCA.

The "safe mode" on your amp usually kicks in for two reasons - the ohm load on the sub is too low for the amp (presenting a "short" to the amp), or it's going into thermal protection because the amp is too hot. From your description, it sounds like there's a short in the wire, the sub's ohm load is too low, or the sub is partially blown.

If you have another sub or speaker, connect it to the amp's output and see if the amp still goes into protection mode. If the amp goes into protection with a known-good speaker, then there may be something wrong with the amp's power supplies. If the amp works properly with another speaker or sub, then I would check the sub that's causing it to short out.

You may also want to check whether or not the amp is over heating by just touching the amp when it goes into protection. If it's just warm, that should be ok - if it's hot, then it might be working too hard. In this case, you may need to check the input voltage (12-14VDC) and the size of the power and ground cables. If your ground isn't properly connected, it can cause weird problems like over heating, shorts, erratic behavior, etc...
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My amp keeps going into protect

do you have the right size ground wire, relative to your power wire? If your ground is smaller when you turn it up there is alot of power it needs an exit and if the wire is too small it travels elsewhere maybe your rca, causing your amp to protect.
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If you power up the amp with the RCAs plugged in, does it go into protection mode.

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sounds like the sub that throws it into protect mode is cross wired pull sub out and make sure they are wired right make sure ground from sub goes to ground on box and do same for power wire
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Hi Saint108. You're describing it well, and i know what the problem is already. The MA audio amp, can't hold with a 2 ohm load. It's too low for that amp, that's for sure. Those are budget amps and they are not well built enough to handle low ohm setups like that. It's overheating and there's no ways around it.. Other than wiring your subs differently ! Just wire your sub directly (not in parallel) in a 4 ohm load, you will notice it will stop overheating that much. Do it quick, you'll most likely fry your amp giving it such hard work !! The HUM you're hearing could be related to it also. Try that, and keep me posted on the status. Thanks ! Cheebster.
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Amp shutting off going into protection mode

Check this out: http://www.techlore.com/article/14696/
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