Amp goes into protection mode

[lilpride 10+ year member]

hmm try disconnecting one of the rca's and see if it gets louder.

Maybe the somehow messed up the LOC.

 

[mast240 10+ year member]

ok... this installer is dumber than i thought.

your bass shouldnt be down... it should be set at 0. otherwise, trying to set the gain properly on your amp just will not work. there is no way to set gain by ear... just doesnt work that way. alot of people dont realize what the gain is actually for (even some installers) ... but he should be using atleast a DMM, preferably an o-scope to set your gain levels.

bass boost should be set at 0

2 out of 11 sounds VERY low for your gain

and the x-over freq seems way too high...

my prognoses... this guy has NOOOOO idea what he is doing... take it to a reputable shop, and if the guy asks you what an o-scope is, leave!

 

[afplayboy18 10+ year member]

i called three places and they all say they set the gain by ear...

anyone know a reputable tuner here in Las Vegas????

 

[mast240 10+ year member]

what kind of places did you call bro?? best buy, and the like, are just complete idiots... some smaller shops are the same way... i know there has to be a serious audio shop in the vegas area... just not too familiar with it... keep calling around, till you find someone who knows what their doing.

anyone from vegas, that can help this man out?

 

[lilpride 10+ year member]

Did you try removing one rca jack? also what gauge wire is it? And is it have a good connection to the battery?

 

[lilpride 10+ year member]

Oh man ... I dont know if this was asked yet but this may be the issue.

What is the config of your sub? is it a dual 2 or dual 1?

the kicker amp is not stable at 1 ohm so a dual 2 would cause it to go into protect or get barely any power if wired to 4

 

[jfreeman420 10+ year member]

I had one of those converters a long time ago with a similar problem. I would bench test the amp without the converter. Could be a short in the converter or connections to the converter which would affect the rest of your electrical system seeing that a stock radio is tied into the stock electrical system. Working sometimes is also an indication of a bad connection or a short.

 

[bubbagumper6 5,000+ posts]

it doesnt affect the headlights or dash lights, it barely hits hard at all.
it is stock electrical system, alt. and battery.

gain is set at 2 out of 11.

im guessing it was set by ear as i dont think they have a scope or dmm to measure anything with. i just got back from there and told them to look at it again cuz if the radio bass is all the way down and the bass knob is all the way up i should hear something. i mean its pathetic, i barely hear anything hit at all.

i got my amp and sup hooked up yesterday but i think something isnt done right and i dont know what to really look for.
its a stock radio going into a PAC line out converter being powered off of my rear speakers. then connecting my amp and sub. its a Kicker 1500.1 amp powering a FI Audio Q12 sub.

in the past ive had amps with more power than the sub so id just turn the amp down but ive never had one cut out on me...

at the installer he tried to explain that because the amp is more powerful, the sub causes the sub to go into protection mode if too much power is going from the amp to the sub....i have never heard that.

any ideas on what is going on?? when it goes into protection mode it burps, flashes my traction control lights on my dash, then goes off...in a couple seconds it'll turn back on. thats when i just turn the bass down but its definitely not loud IMO.

i can take pictures of the setup if needed.

wat

 

[bubbagumper6 5,000+ posts]

ok... this installer is dumber than i thought.
your bass shouldnt be down... it should be set at 0. otherwise, trying to set the gain properly on your amp just will not work. there is no way to set gain by ear... just doesnt work that way. alot of people dont realize what the gain is actually for (even some installers) ... but he should be using atleast a DMM, preferably an o-scope to set your gain levels.

bass boost should be set at 0

2 out of 11 sounds VERY low for your gain

and the x-over freq seems way too high...

my prognoses... this guy has NOOOOO idea what he is doing... take it to a reputable shop, and if the guy asks you what an o-scope is, leave!

This statement right here tells me that YOU have no idea what the gain does. I could design a system that setting the gain at 1 out of a billion is enough. The gain is to match the input signal level, if his source has a high output voltage, his gain will need to be very low.

 

[mast240 10+ year member]

This statement right here tells me that YOU have no idea what the gain does. I could design a system that setting the gain at 1 out of a billion is enough. The gain is to match the input signal level, if his source has a high output voltage, his gain will need to be very low.

exactly... and i doubt that running an inline converter is going to give him a very high voltage... which is why i said it seemed low... could be set way too low for the crappy *** signal that inverter is putting out... which might be why he has to turn his bass ALL the way up on his head unit to hear anything, which then causes it to start clipping.

but i dont know what i'm talking about... right... have u not seen me tell him like 4 different times to set it with an o-scope????????? or are u just trying to attack random people?

 

[afplayboy18 10+ year member]

what i meant was that it doesnt dim my headlights or dim my dash lights.

i only noticed that when it cut out once, my traction control lights flashed on and off once.

 

[bubbagumper6 5,000+ posts]

exactly... and i doubt that running an inline converter is going to give him a very high voltage... which is why i said it seemed low... could be set way too low for the crappy *** signal that inverter is putting out... which might be why he has to turn his bass ALL the way up on his head unit to hear anything, which then causes it to start clipping.
but i dont know what i'm talking about... right... have u not seen me tell him like 4 different times to set it with an o-scope????????? or are u just trying to attack random people?

Actually a lot of LOC's have extremely high output voltages...and I didn't say you didn't know what you were talking about, I said you don't know how gain works //content.invisioncic.com/y282845/emoticons/fyi.gif.9f1f679348da7204ce960cfc74bca8e0.gif

 

[bubbagumper6 5,000+ posts]

what i meant was that it doesnt dim my headlights or dim my dash lights.
i only noticed that when it cut out once, my traction control lights flashed on and off once.

Ah ok, I thought you meant your dash lights are flickering every time. Do you own a digital multimeter? If you don't, go to walmart/radioshack/etc and buy one (they're like $5) You need to check the output voltage of your LOC (wouldn't hurt to post a link to the exact one you have) and you need to check the output voltage of your amplifier. Does the LOC have a gain on it?

 

[afplayboy18 10+ year member]

couple things that i didnt like when i talked to the guy about an hour ago...he kept talking about 1 ohm when my amp and sub should be run on 2 ohm and that it was connected on the higher side instead of the low side........now from what i read, the point of a line out converter was so you could hook the amp from the factory deck to the amp using the low side...but im not 100% on what that means.

 

[afplayboy18 10+ year member]

here is the LOC that i have: Amazon.com: PAC SOEM-T 2-Channel Premium Line-Out Converter with Remote Turn-On Trigger: Automotive

i looked for it this morning but didnt see the LOC anywhere...

just to be sure, the LOC has 4 RCA cables and the Amp has 4 RCA cables which should all be hooked up right...2 on the line-in and 2 on the line-out??? if i remember correctly by looking at it this morning, i only saw 2 RCA cables in the line-in and the line-out connections were empty...is this right?