Brutus keeps dropping into protect...

[thismightbepat 10+ year member]

I just wired my Brutus down to 1 ohm about four days ago, and now everytime i turn it up to a certain point (my normal listening level) the amp drops into protect mode. It started yesterday, just every once in awhile, but now it does it everytime I turn it up. Anyone else have this problem?

Also, does anyone know what kind of warranty Indoaudio on ebay has for amps such as these?

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[Johnny Drama 5,000+ posts]

Your voltage is probly dropping too low. What vehicle and alt do you have? Also what gauge wiring do you have?

 

[thismightbepat 10+ year member]

got a 1989 sierra with a 105 amp alt. Power wire is 1/0 from the batt to the cab, then split into two 4g's for my amps.

 

[Johnny Drama 5,000+ posts]

105a alt with around 40% reserve= 42a reserve

1500rms=204a est. current draw alone + how ever many amps your other amp is pulling. You definatly need a new alt with that kind of power.

 

[thismightbepat 10+ year member]

seems like its staying in protect now, no matter how loud i turn it up, just went check it out....

 

[Johnny Drama 5,000+ posts]

Like I said its cause the amplifier is pulling more power from your alternator then the alt has to provide. You will either need to add an additional alternator, get a bigger one, get a smaller amp.

 

[thismightbepat 10+ year member]

I feel you, but at the same time they have alot of ppl on the boards running this exact same amp with smaller alternators and having no problems....I just want some way to know for sure b/c I really dont have the money for electrical upgrades right now.

Oh and also the amp goes into protect no matter what now, as soon as the radio turns on even if theres nothing playing. I tried a 2ohm load and yeah, same deal.

 

[tRiGgEr 5,000+ posts]

You blew it, or it blew itself. Either way your an amp molester...

 

[thismightbepat 10+ year member]

Yeah i'm guessing i did murder that amp, b/c yesterday i put my friends brutus in my truck and it works just fine....ah well, hope indoaudio's customer service is good...

 

[btnhfan 5,000+ posts]

It shouldnt be a current problem.

I had about 1400w on a 65amp alternator and that was fine

 

[wizo6812]

i was thinkin about gettin that amp - is this a common issue with it? or isolated ?

 

[M@nJo 10+ year member]

you should try out the big-3 upgrade if you dont have the bones to spend on a high output alt. it helps prevent strain on electrical system, prevent dimming, and voltage drops. highly recommend that. only cost of it is terminals, power wire, and fuse/fuse holder if neccesary. thats like $50 in quality material?

 

[joshpoints 10+ year member]

I just wired my Brutus down to 1 ohm about four days ago, and now everytime i turn it up to a certain point (my normal listening level) the amp drops into protect mode. It started yesterday, just every once in awhile, but now it does it everytime I turn it up. Anyone else have this problem?
Also, does anyone know what kind of warranty Indoaudio on ebay has for amps such as these?

I don't think it's an alternator issue. Did you check your ground? I had an amp go into protect once from having a bad ground.

 

[electronicsgeek 10+ year member]

well i had the same problem...it keept goin into protect when i turned it up to a certain point...after a couple times it happend it never came back out of protect...so it was toast...i sent it back...

i dont why it happend...only thing that i thought wouldv effected it was that i turned the bass boost up...if you use the bass boost then set the bass boost first then gain...

 

[thismightbepat 10+ year member]

yeah its definitely toasted, b/c my friend's brutus played just fine for about a day. so i guess i'll just send it back, if i can still //content.invisioncic.com/y282845/emoticons/frown.gif.a3531fa0534503350665a1e957861287.gif