Amp shutting down (saftey mode?)

[brafferty]

The quattro gain goes from 4V to 0.2V and you have it set at 2 so you're most likely overdriving it. It needs to be set pretty close to the minimum. Keep in mind, if you're lacking output...turn up the volume, not the gain.

thanks! its gotta be the gain, i havent really played with them because i dont quite know how, but looks like im learning now haha, between the gain, fixing the ground, and the new alt. hopefully ill have no issues

 

[fly_marlin]

That amp is pretty powerful and efficient. I also have a class H amp and it never never gets hot, distorts or shuts off. Let me know how it works out. By the way, also look at the gain on your gain for the sub amp. I couldn't find JBL 1400d amp, so not sure what it's input sensitivity range is.

 

[brafferty]

That amp is pretty powerful and efficient. I also have a class H amp and it never never gets hot, distorts or shuts off. Let me know how it works out. By the way, also look at the gain on your gain for the sub amp. I couldn't find JBL 1400d amp, so not sure what it's input sensitivity range is.

Thanks for letting me notice i put my amp info wrong in the sig.... its a JBL GTO 1400.1

 

[fly_marlin]

Thanks for letting me notice i put my amp info wrong in the sig.... its a JBL GTO 1400.1

Ok, that one accepts up to a 6V signal, so it should be set roughly 3rd of the way between half and 6V.

 

[brafferty]

THANKS! you guys probably just saved my system! for real much appreciated

 

[brafferty]

ok i turned down the gains to these images, so far nothing has happenened electrical wise, but i did lose alot of my pressure i had from the subs, any help with that??

Speaker Amp settings

Imgur

Sub settings

Imgur

 

[fly_marlin]

What's the sub-out level on the deck?

 

[brafferty]

What's the sub-out level on the deck?

set to 0 at the moment, when i had the gains up i had it at -7db

 

[fly_marlin]

Does it go from -7 to 7?

 

[brafferty]

Does it go from -7 to 7?

it has a bunch but ive only ever gone to plus 3 or -7, it goes -1,-2,-3,-5,-7 im pretty sure, ill run out and see to confirm

 

[fly_marlin]

Turn the gain up a little and turn the sub-out as well. Though it seems that only your speaker amp was the problem. Do the speakers have enough output?

 

[brafferty]

Turn the gain up a little and turn the sub-out as well. Though it seems that only your speaker amp was the problem. Do the speakers have enough output?

oh yes these things sound beautiful! i also noticed that the sub amp ranges from 6v-10 or 100mv.... are mv's smaller than volts?

 

[fly_marlin]

oh yes these things sound beautiful! i also noticed that the sub amp ranges from 6v-10 or 100mv.... are mv's smaller than volts?

Yes, 1V = 1000mV.

 

[brafferty]

so far so good, im slowly turning up the gain on the sub amp to hopefully bring back some pressure