Just bought an amp what gauge wire? - Page 2 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


Audio (and aftermarket electronics) This is your place for alarms, remote starters, to brag about your system, exaggerate your db levels, or simply ask questions for stock or aftermarket audio. No Flames! (except from roasted amps)

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Old 04-25-2004, 05:23 PM   #11
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Yup, you are right. That'* what I thought initially, but then I looked up the amp'* power consumption in amps at max RMS, and that'* where I got my numbers. I think we keep forgetting that these amps use chips that aren't 100% efficient (as none are), and that there is other stuff using power in an amp as well. That'* why ohms law isn't 100% accurate, and the equation should be max rms/10. Because that'* going off true numbers and not theoretically speaking.
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Old 04-25-2004, 08:42 PM   #12
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Quote:
Originally Posted by smellbird
That 2 ga. should be good.
Where do you plan on running it? I got a ton of cable strung through my car it doesnt look messy till it gets to the trunk.
Through the hole where the shifter cable goes through again. It was a bitch with the 6 gauge but I'll get it done.
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Old 04-25-2004, 08:43 PM   #13
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good luck
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Old 04-25-2004, 08:47 PM   #14
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Quote:
Originally Posted by big_boss2010
good luck
Thanks. I will need it.
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Old 04-26-2004, 12:54 AM   #15
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I'll probably catch hell for this, and you may not necessarily want advice from a guy whose car caught on fire from a wiring problem, but with a Sony amp like that, you could get by with 8 AWG. It all depends on how much you're worried about looks as compared to quality of installation. 2 AWG is big time overkill, and 4 AWG is still pretty big. If you can get a 6 AWG power wire, you'll be set, but 8 will work if you really want it to not show. (I've put in a 1000 watt eclipse amp with 8, and it did great.)
IASCA way overstates their standards, and Sony way overstates their power output, so its up to you.
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Old 04-26-2004, 01:30 AM   #16
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Rodney please just use 2 gauge you cant go wrong. that sony amp isn that underrated.
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Old 04-26-2004, 07:38 AM   #17
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i think 2 is a little much you would be fine with 4 but its always good to go with bigger if you plan on upgrading so if you go with 2 it can be a nice thing for the future so you dont have to rewire it if you want more amps. If you go with 2 all i can say is have fun running the wire and haveing it hidden cuz 2 is friggin huge.
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Old 04-26-2004, 11:32 AM   #18
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Quote:
Originally Posted by jachin
Rodney please just use 2 gauge you cant go wrong. that sony amp isn that underrated.
I gotcha
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Old 05-14-2004, 11:19 AM   #19
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I have a Sony XM-754 4-channel 800w with 4 gauge running from the battery to the trunk where it then separates into 8 gauge for about 1.5 ft. works fine to me!! I wouldn't personally advise 8gauge all the way through because you'll fry the amp trying to make power with it. Just my 2.5 cents! {inflation}
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