Amp cutting out? - TriStateTuners.com :: Home of Tristate Auto Enthusiast

Cutlass372 · 02-10-2007, 05:40 PM

Hey guys, I put a speaker system in my car like last year and now when I turn the volume up past a certain point the amp cuts in and out... What would cause this? I am assuming there is a short somewhere?

SpendOne · 02-11-2007, 02:50 AM

Either that or the amp is heating up too much so its shutting itself off.

StealthTC · 02-11-2007, 03:53 AM

Check your ground. If not your amp is clipping, it cannot handle the power therefore turn the gain back a hair and it will fix your problem.

twistedlanes · 02-11-2007, 12:44 PM

Does it have enough power? with some systems at a certain point it's not getting enough juice, you might need a capacitor. Or like spend one said it might be hot but its more likely too be it is nt getting enough power.

articulo31 · 03-07-2007, 06:13 PM

I have had this same problem...at first i thought it was the amp that sucked, so i got a new amp. I am not 100% on this, but i think your amp wants more power than what it is getting. if you don't already have a capacitor, i would recommend getting one. a couple other things you could try is to upgrade your wiring to a thicker wire gauge. remember if you choose to go this route to have the same gauge wire for grounding purposes. a more extreme option is to upgrade your electrical system a more powerful alternator and dual battery setup. again, these are all suggestions and the first thing i am going to try when i get around to it is switching out capacitors. i have a 1 farad cap installed now and i am going to switch it out with a 2.2f cap. i have had it sitting for quite some time now and i've just been lazy about it. good luck!!

02-10-2007, 05:40 PM	#1
Cutlass372 Tri-State Aficionado Join Date: Aug 2006 Location: Doylestown, PA Member #2379 My Ride: 1972 Cutlass, 1972 Datsun 240z iTrader: (0)	Amp cutting out? Hey guys, I put a speaker system in my car like last year and now when I turn the volume up past a certain point the amp cuts in and out... What would cause this? I am assuming there is a short somewhere?

02-11-2007, 02:50 AM	#2
SpendOne Tri-State Post Whore Join Date: Feb 2005 Location: NE Philly Member #144 My Ride: 1987 Mazda RX7 LQ4 Turbo iTrader: (6)	Either that or the amp is heating up too much so its shutting itself off. __________________ 1993 GSX - 10.8@135 Stock motor & Trans - SOLD 1987 Mazda RX7 Single turbo LQ4 - 9.2@150 - SOLD 1980 Ford Fairmont 4Dr LQ4 Turbo AGAIN

02-11-2007, 12:44 PM	#4
twistedlanes Tri-State Post Whore Join Date: Jan 2007 Location: Delco Member #3529 My Ride: currently out of Commission be back soon iTrader: (0)	Does it have enough power? with some systems at a certain point it's not getting enough juice, you might need a capacitor. Or like spend one said it might be hot but its more likely too be it is nt getting enough power. __________________ Check me out on To view links or images in signatures your post count must be 10 or greater. You currently have 0 signatures. To view links or images in signatures your post count must be 10 or greater. You currently have 0 signatures.

03-07-2007, 06:13 PM	#5
articulo31 Tri-State Training Wheels Join Date: Jun 2006 Location: Central Jersey Member #2047 My Ride: 2002 Subaru WRX iTrader: (0)	help with amp I have had this same problem...at first i thought it was the amp that sucked, so i got a new amp. I am not 100% on this, but i think your amp wants more power than what it is getting. if you don't already have a capacitor, i would recommend getting one. a couple other things you could try is to upgrade your wiring to a thicker wire gauge. remember if you choose to go this route to have the same gauge wire for grounding purposes. a more extreme option is to upgrade your electrical system a more powerful alternator and dual battery setup. again, these are all suggestions and the first thing i am going to try when i get around to it is switching out capacitors. i have a 1 farad cap installed now and i am going to switch it out with a 2.2f cap. i have had it sitting for quite some time now and i've just been lazy about it. good luck!!

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02-11-2007, 03:53 AM	#3
StealthTC Tri-State Addict Join Date: Dec 2005 Location: Ft. Lauderdale, Florida Member #1114 My Ride: B5 A4, MKIII Supra iTrader: (0)	Check your ground. If not your amp is clipping, it cannot handle the power therefore turn the gain back a hair and it will fix your problem.