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 new stereo

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Clby57



Number of posts : 27
Age : 35
Location : Whyalla
Registration date : 2009-02-16

PostSubject: new stereo   Sat 14 Nov 2009, 3:39 am

im getting ready to install a new stereo into my vt and wanted to know how i go about find out what size the amp power cable is that is in my car at the moment as i didnt fit it. im a able to just measure it but what size is what gauge??????


aslo what gauge amp wire should i use im fitting 2 kenwood amps.
KAC-846 4-Channel Power Amplifier Max. power output 100W X 4
KAC-8101D 1000w MonoBlock RMS Power Output at 2 Ohms: at 14.4V (100Hz, 0.5% THD): 400 Watts x 1
RMS Power Output at 4 Ohms,:at 14.4V (20Hz 200Hz, 0.5% THD): 200 Watts x 1
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BrAdAsS



Number of posts : 1
Location : Brisbane Northside
Registration date : 2009-12-08

PostSubject: Re: new stereo   Tue 08 Dec 2009, 3:13 am

AWG / DIAMETER / AMPERAGE
0.............55mm................245A
2.............35mm................181A
4.............25mm................135A
8.............10mm................73A
10.............6mm................55A


Monoblock Amp
2ohm = 400wrms/14.4 & 12v = 27.7 - 33.3A max
4ohm = 200wrms/14.4 & 12v = 13.8 - 16.6A max

Kenwood KAC-846
2ohm = 300/14.4 & 12v = 20.8 - 25A max (same as bridged@4ohm = 2x150)
4ohm = 200/14.4 & 12v = 13.8 - 16.6A max

Or you could just look at what each fuse is rated at and add them all together for the max.

Remembering music is dynamic in current draw, the correct rated wire for the 2 amps needs to carry a maximum of 58.3Amps.
10ga could do it if it had to, 8 gauge is adequate and 4 gauge would allow for upgrades and yield a poofteenth higher output voltage.
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Clby57



Number of posts : 27
Age : 35
Location : Whyalla
Registration date : 2009-02-16

PostSubject: Re: new stereo   Tue 08 Dec 2009, 9:57 am

thanks for that i ended up using 4g to a dist block and then 8g to the amps.
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new stereo
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