amp goes into protection mode when connect rca cables - Audio & Electronics Forum

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amp goes into protection mode when connect rca cables
Monday, May 12, 2008 10:19 PM
i have a 2 channel audiobahn amp that goes off to protection everytime i try to connect rca jacks... with power/ground/remote the protection light is off but then goes on again when i connect my RCAs... anybody know why that is so?

Re: amp goes into protection mode when connect rca cables
Monday, May 12, 2008 11:02 PM
RCAs must be grounded improperly



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Re: amp goes into protection mode when connect rca cables
Monday, May 12, 2008 11:14 PM
they can be grounded?
Re: amp goes into protection mode when connect rca cables
Monday, May 12, 2008 11:29 PM
grounding should be ok on amp and HU , i am not sure what you mean by grounding RCAs... what else could be the problem? anyone?
Re: amp goes into protection mode when connect rca cables
Tuesday, May 13, 2008 1:13 AM
my amp was the same way. and it was a bad ground at the amp. everthing was fine until i connected the rca's so i say find a better ground. and what gauge is the ground wire you are running to your amp maybe it is just to dinky. im only asking cause i have sean some people that have run speaker wire as there ground.



Re: amp goes into protection mode when connect rca cables
Tuesday, May 13, 2008 3:23 AM
try disconnecting your remote wire, connecting your rcas and then connecting your remote wire

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Re: amp goes into protection mode when connect rca cables
Tuesday, May 13, 2008 8:52 AM
ok so i did what chris said and now the light goes off when i connect the remote wire and RCAs are fine. so what does it mean?
Re: amp goes into protection mode when connect rca cables
Tuesday, May 13, 2008 9:40 AM
*goes on
Re: amp goes into protection mode when connect rca cables
Tuesday, May 13, 2008 10:15 AM
ok i tried another amp and it won't power up as well, so there's gotta be something wrong with my wiring... amp is grounded no doubt, i don't know what else to think of?!
Re: amp goes into protection mode when connect rca cables
Tuesday, May 13, 2008 2:04 PM
i tripled checked all the wiring... i even measured current with volt meter, everything IS hooked up right, but none of the amps work... this just can't be...
Re: amp goes into protection mode when connect rca cables
Tuesday, May 13, 2008 6:50 PM
And you're SUUUURE that you didn't do something like switch power and remote around, or remote and ground, or something?

Another possibility is to disconnect the subs, they might be wired at too low an impedance.

Also lower the gain.




Re: amp goes into protection mode when connect rca cables
Tuesday, May 13, 2008 7:21 PM
wiring is done right 100 %... i have current flowing as normal and is grounded, and i get a signal from a deck, as well as RCAs are hooked propertly. the deck is not a problem i am sure of, but amps i am not too sure about, it could be that they're both broken, but i just have difficulty believing that....
Re: amp goes into protection mode when connect rca cables
Tuesday, May 13, 2008 10:40 PM
1 amp and sub is working! thanks guys for your inputs! system sounds much better now with a sub... tomorrow i am going to try to amp 1 pair of speakers (hoping that the other amp works too)
Re: amp goes into protection mode when connect rca cables
Wednesday, May 14, 2008 7:56 AM
What was the problem?



Re: amp goes into protection mode when connect rca cables
Wednesday, May 14, 2008 4:03 PM
grounding... i had to sand off paint from a bolt i was gonna ground to... turns out that paint is an insulator for current flow... i also burn a fuse ... but now both amps are running and overall sound is much better, except that the sub is not really astounding and 1 amp overheats (i think). now i need to start sound deading the whole car cause it viobrates like a mofo.
Re: amp goes into protection mode when connect rca cables
Sunday, March 25, 2012 10:51 PM
My amp does this too but its not my wires cuz I hooked up my over amp and it worked lol so what can that b
Re: amp goes into protection mode when connect rca cables
Tuesday, March 27, 2012 6:36 PM
joshua tisdale wrote:My amp does this too but its not my wires cuz I hooked up my over amp and it worked lol so what can that b


probably something wrong with the amp its self. if the second one does work and the first one doesn't then there's a problem with it.



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