Amp keeps turning off.

[Spazz131]

I have a memphis prxa1000.1, when the bass hits it sometimes turns off, or the lights dim. I have another amp in the system as well and that stays on. I've done the big 3 upgrade. Will a high output amp fix my issue?

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[Kickstand Premium Member]

What do you have it running ?
How do you have them wired ?

 

[Spazz131]

What do you have it running ?
How do you have them wired ?

2 10" alpine s subs, 4ohm dvc, at 1 ohm

 

[Spazz131]

2 10" alpine s subs, 4ohm dvc, at 1 ohm

I think there 600watts rms each

 

[Kickstand Premium Member]

1000 watts shouldn't do that but it all depends on the car and size of the stock alt.
The amp shutting down and your lights dimming is most likely a sign that your not getting enough power.
I had this Earthquake amp that did the same thing.
Replaced it with a DD on the exact same set up and it never gave me a problem.
So I guess it could be the quality of the amp
Can't say for certain that putting a high out alt will fix the problem but it should.
Have you tried putting in a better battery. Something AGM

 

[Spazz131]

1000 watts shouldn't do that but it all depends on the car and size of the stock alt.
The amp shutting down and your lights dimming is most likely a sign that your not getting enough power.
I had this Earthquake amp that did the same thing.
Replaced it with a DD on the exact same set up and it never gave me a problem.
So I guess it could be the quality of the amp
Can't say for certain that putting a high out alt will fix the problem but it should.
Have you tried putting in a better battery. Something AGM

Yeah idk, it's a memphis so I hope it's just a lack of power, the stock alternator is like 110amp, but no I haven't, should I start with a better battery?

 

[Clifff150 10+ year member]

Yes. Put the biggest AGM you can under the hood and that should solve any problems voltage wise with your setup.

 

[Spazz131]

Yes. Put the biggest AGM you can under the hood and that should solve any problems voltage wise with your setup.

Lol is this sarcastic?

 

[Clifff150 10+ year member]

Not one bit. Why do you feel it’s sarcastic?

Ive ran over double that power on a 130 amp alt and large AGM under the hood without issues.

 

[1aespinoza 10+ year member]

Lol is this sarcastic?

Clifff150 is right. Your symptoms point to a bad battery or faulty alternator. Since Big3 is done, it is what is left to tackle.

 

[Kickstand Premium Member]

Northstar, XSPower,
Optima and Kinetic and are other brands but they not as good as the above but easier to get a hold of.
I live in Canada so getting batteries shipped up here is a pain in the ass so I had to settle for a Optima but I would have gone Northstar if I could have found a Canadian company that stocked or sold a type 35 battery

 

[Spazz131]

Not one bit. Why do you feel it’s sarcastic?

Ive ran over double that power on a 130 amp alt and large AGM under the hood without issues.

Lol its just me than, ill try and find one, I actually went ahead and got the h.o alternator

How much does CCA, CA, and other variables matter in the battery or is it simply the type and quality?

 

[Clifff150 10+ year member]

I think you should get the battery first and if that doesn’t fix it, then the alt. Unless you plan on upgrading your power.

Just figure out what size battery your vehicle takes and get the best AGM you can afford in that size. Or go bigger if it’ll fit

 

[Spazz131]

I think you should get the battery first and if that doesn’t fix it, then the alt. Unless you plan on upgrading your power.

Just figure out what size battery your vehicle takes and get the best AGM you can afford in that size. Or go bigger if it’ll fit

Well unfortunately itz too late now, but I'll be out of town for a week without my truck so I'll have time to plan and figure the battery thing out

 

[Spazz131]

Update: so I bit the bullet and bought a amg battery, with a little over 1000cca and like a 140min capacity, if you want more specs lmk, but as it is it definitely helped. I assume after long enough I will have the same issue but hopefully that's where the alternator will come into play. Though it was expensive I suppose I future proofed myself for other additions. As it is I did plan to add a winch, and probably look into some alpine type r's or some mojos.