Running 2 amps

323kid · 05-09-2005, 01:24 PM

Hey hows it going.... just got a question

im running 2 amps in my car

1. US AUDIO 4x50wrms (powers fronts and 6x9)
2. Response 2x150wrms (powers 2 10")

When I turn the gain up on the amps, the engine revs go up. (I can basically rev my car from turning the gain up and down lol)

i kinda know what the problem might be, too much charge being taken from the battery so the engine revs harder to make the alternator power more.

how does one get rid of this problem?

Dogo · 05-09-2005, 01:47 PM

The engine computer adjuts the idle controller to bring the revs up when the electircal load goes up.

You dont want to get rid of it.

However if the gains are making that much difference its worth looking at why they would put a strain on your car. Make sure you have a hefty power cable from the battery to the boot to power the amps, and also that you have a clean , strong ground spot with the paint sanded off so that its contact on bare metal.

Weak power & ground supply for amps will increase the resistance and that'll increase the electrical strain on the car.

andrewgrazier · 06-09-2005, 02:20 PM

My standard Astina stereo would do that
it got interference from the flywheel when it was turned up loud.
as the dood said cehck the grounding. if not you might need one of them capacitor things
increasing the output from the altinator wouldnt do anything really. like it would put more charge into the battery but that dosent sound like its the problem. probably cables or somthing. are your RCA leads running next to your power lead?
ya should use like 0 gauge or somthing

WOO13Y · 06-09-2005, 07:37 PM

get like 4 guage power cable run that close to your amps with a splitter close to the amps with like 8 guage to each amp makes ya whole stereo crank harder cos it can get more power with out strain ....yea make sure ya power cable is ran down one side of ya car and the rcas down the other thats what i have with a 400w clarion amp for 4 splits and 300w alpine amp for 2 15" runs fine ...

Exodus323 · 07-09-2005, 10:08 AM

get a second batt or some caps 1 farad is the goods.
may car is running 2 duel voice coil 12s and 2 amps a fusion 1404 and a 600w sony amp 2 caps fixed my problems.

05-09-2005, 01:24 PM	#1
323kid Junior Member Join Date: Sep 2005 Location: Gold Coast australia Car: nothing atm Posts: 130	Running 2 amps Hey hows it going.... just got a question im running 2 amps in my car 1. US AUDIO 4x50wrms (powers fronts and 6x9) 2. Response 2x150wrms (powers 2 10") When I turn the gain up on the amps, the engine revs go up. (I can basically rev my car from turning the gain up and down lol) i kinda know what the problem might be, too much charge being taken from the battery so the engine revs harder to make the alternator power more. how does one get rid of this problem? __________________

05-09-2005, 01:47 PM	#2
Dogo Senior Member Join Date: Mar 2002 Location: Melb, Aus Car: Mazda 323 BA BPT transplant Posts: 3,459 View Photos By: Dogo	The engine computer adjuts the idle controller to bring the revs up when the electircal load goes up. You dont want to get rid of it. However if the gains are making that much difference its worth looking at why they would put a strain on your car. Make sure you have a hefty power cable from the battery to the boot to power the amps, and also that you have a clean , strong ground spot with the paint sanded off so that its contact on bare metal. Weak power & ground supply for amps will increase the resistance and that'll increase the electrical strain on the car. __________________ [ Turbo BA ] see my readers ride

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06-09-2005, 02:20 PM	#3
andrewgrazier Senior Member Join Date: Feb 2003 Location: newcastle Posts: 586 View Photos By: andrewgrazier	My standard Astina stereo would do that it got interference from the flywheel when it was turned up loud. as the dood said cehck the grounding. if not you might need one of them capacitor things increasing the output from the altinator wouldnt do anything really. like it would put more charge into the battery but that dosent sound like its the problem. probably cables or somthing. are your RCA leads running next to your power lead? ya should use like 0 gauge or somthing

06-09-2005, 07:37 PM	#4
WOO13Y Junior Member Join Date: Jan 2005 Location: Newcastle Car: bravo Posts: 12 View Photos By: WOO13Y	get like 4 guage power cable run that close to your amps with a splitter close to the amps with like 8 guage to each amp makes ya whole stereo crank harder cos it can get more power with out strain ....yea make sure ya power cable is ran down one side of ya car and the rcas down the other thats what i have with a 400w clarion amp for 4 splits and 300w alpine amp for 2 15" runs fine ...

07-09-2005, 10:08 AM	#5
Exodus323 AstinaGT Regular Join Date: May 2005 Location: Western Australia Car: BA Astina Turbo Posts: 299 View Photos By: Exodus323	get a second batt or some caps 1 farad is the goods. may car is running 2 duel voice coil 12s and 2 amps a fusion 1404 and a 600w sony amp 2 caps fixed my problems.