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View Full Version : Amp cutting out

Skidmark
08-08-2006, 09:13 PM
Once I turn my headunit to a decent sound level my amp starts cutting out, when it does that the protect like comes on.

When i leave it at a lower volume it is fine.

Does this sound like a ground problem?
NeedleSharp
08-09-2006, 01:30 AM
are ur gain levels turned to the propper level?? how high?(ie: half way 3/4?) it could be that your gain is turned up too high on you amp...

what the impedance on ur subs? have you recently aquired a new amp or changed the wirring/woofers on you subs? if so the your amp could be stable at a certain level at a low impedance (ie: 1 ohm, even 2 ohm on cheap amps) but when the load increases (when u turn up the volume) the impedace, on top of the increased volume, is too much for the amp to handle

what HU and what AMP?? what car?? make sure if ur connecting the speakers to the amp for a signal INPUT that u are useing a line level converter or the line level inputs on the amp... if the amp is to much watts for the gauge of the amp wires then this can happen or if the cars electrical system is simply not very good (honda :cool: )
ThreeFingerPete
08-09-2006, 03:09 AM
Most likely, your gain is adjusted too high for the input signal, also verify that your voltage never drops below ~12, as low voltage will do some ugly things to an amplifier/ sub.

BTW. IMPEDANCE
bmxerbrett
08-09-2006, 09:35 AM
do you have the amp briged? Hook it up normal that should do the trick.
Mark04
08-09-2006, 09:39 AM
A bad speaker coil can also cause this.
cltgt
08-09-2006, 09:41 AM
well?
ThreeFingerPete
08-09-2006, 10:09 AM
do you have the amp briged? Hook it up normal that should do the trick.

Please don't give anymore advice.
93powerranger
08-09-2006, 06:55 PM
i had the problem and it was my ground.
NeedleSharp
08-11-2006, 11:24 AM
i absolutley LOVE IT when people ask for help on this board and when there are questions that need to be answered to help them or if we are wondering if what we said solved the problem they dont say anything or most likely even look at the shit we wrote...!!! lol
NeedleSharp
08-11-2006, 11:25 AM
BTW. IMPEDANCE

haha i was typeing fast man i wasnt thinkin... but still dont i feel like a retard lol...
Skidmark
08-14-2006, 11:04 AM
i absolutley LOVE IT when people ask for help on this board and when there are questions that need to be answered to help them or if we are wondering if what we said solved the problem they dont say anything or most likely even look at the shit we wrote...!!! lol


Yeah, i've been super busy working two jobs. For now I have just unhooked my amp.


Come to think of it, I did adjust the db lvl a little higher and this is around when it started to happen. Today when I get off work I will lower it and see what happens.


I will keep you folks informed. Thanks for the advice!
bmxerbrett
08-14-2006, 02:34 PM
Please don't give anymore advice.


Shut up cocksucker. If he has the wrong speakers for the wrong amp and he bridges it can cause overheating problems. Bridging an amp changes your resistance (ohms). Take your hand on your aviator and slap yourself!
ThreeFingerPete
08-14-2006, 04:28 PM
Shut up cocksucker. If he has the wrong speakers for the wrong amp and he bridges it can cause overheating problems. Bridging an amp changes your resistance (ohms). Take your hand on your aviator and slap yourself!

LOL @ Aviator.

The amplifier doesn't care whether or not the channels are bridged as long as the total driven impedance doesn't go below its ability. Which again, wouldn't be the amplifiers fault, or the wiring's fault, but simply the user error that caused it.

I.E. 2 (2) ohm drivers are wired one per channel on an amplifier, the amplifier sees that the same as if the drivers were wired in a series circuit, and then run mono. Guess what, the same two speakers are now giving you the same load on the same amp with nothing blowing up, OH NOES!