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Power?

Printed From: the12volt.com
Forum Name: Car Audio
Forum Discription: Car Stereos, Amplifiers, Crossovers, Processors, Speakers, Subwoofers, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=16049
Printed Date: July 23, 2025 at 1:30 AM


Topic: Power?

Posted By: graemesimpson
Subject: Power?
Date Posted: July 08, 2003 at 1:49 PM

Hi,

I have read the various articles relating to Power in I.C.E setups, but, I just want to hear some first hand advice;

I have 2 Amps, 1 @350 Watt (2Ch) and 1 |@ 440Watt (4Ch), the 2 Ch feeds the subs and the 4Ch feeds the speakers.

Now I have built an Amp rack that sits in the front boot of a MR2, so my main Power connecter from the batt (behind amp rack) to the rack itself is only approx 3 to 4 ft, that goes to a 2 way distribution block (30 Amp Fused) which then feeds the Amps.  Forgot to mention from Sitting between Batt and Dist block is a 60Amp fuse (last nights advice).

I have used 8Awg Cable purchased from Maplins (the fancy stuff), given my wattage and the minimal length of the power cable, do you think 8Awg will suffice.  I have no intention of having the system blasting, purely my OWN listening pleasure.

Any advice is really welcome.

Graeme




Replies:

Posted By: deftonekorn1002
Date Posted: July 08, 2003 at 3:11 PM

check your amp manuals and see what their bottom end recommendation it. i would go at least 2 guage from the batt to distubiton and then the gauge the manufacture recommends



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Posted By: MAXST
Date Posted: July 08, 2003 at 4:23 PM

https://www.the12volt.com/info/recwirsz.asp

look at this chart..follow the rms and length...to find the right size.



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