N9neMillahhh Posted May 14, 2013 Report Posted May 14, 2013 I will be getting a soundqubed 3500.1 amp with a 380A inline fuse, so I need to know how big of an alternator I need to get. 02 Lexus IS300 (2JZ FTW) Mids/Highs: JL Audio C5 6.5s all around Mids/Highs Amp: JL Audio HD 600/4 Subs: four SA-8v2s in 3.8cubes @ 32hz Sub Amps: SAZ3k Battery: Huge Interstate Batteries relocated to trunk About 80ft. of 1/0 OFC.... Head Unit: Pioneer 4200NEX
dpeebs Posted May 14, 2013 Report Posted May 14, 2013 i got a 230 amp alt and kinda wish i went bigger so i would have room for a bigger amp down the line but i was to stoked and jumped on it before i really searched around
N9neMillahhh Posted May 14, 2013 Author Report Posted May 14, 2013 I probably won't upgrade my amp lol and not bare minimum. Just enough and then some, know what I mean? 02 Lexus IS300 (2JZ FTW) Mids/Highs: JL Audio C5 6.5s all around Mids/Highs Amp: JL Audio HD 600/4 Subs: four SA-8v2s in 3.8cubes @ 32hz Sub Amps: SAZ3k Battery: Huge Interstate Batteries relocated to trunk About 80ft. of 1/0 OFC.... Head Unit: Pioneer 4200NEX
N9neMillahhh Posted May 14, 2013 Author Report Posted May 14, 2013 97 Nissan maxima 02 Lexus IS300 (2JZ FTW) Mids/Highs: JL Audio C5 6.5s all around Mids/Highs Amp: JL Audio HD 600/4 Subs: four SA-8v2s in 3.8cubes @ 32hz Sub Amps: SAZ3k Battery: Huge Interstate Batteries relocated to trunk About 80ft. of 1/0 OFC.... Head Unit: Pioneer 4200NEX
OrzechNJ Posted May 14, 2013 Report Posted May 14, 2013 its better to spend more money on alt and get less batteries in the trunk, since it's sedan car! edit: basically bigger is better sometimes Loud is NOT pretty Sounds like its safe to go ahead and bend that ass over.
Aidan Hansen Posted May 14, 2013 Report Posted May 14, 2013 its better to spend more money on alt and get less batteries in the trunk, since it's sedan car! edit: basically bigger is better I agree with the above statement. ^Vehicle log to come soon for this.^
N9neMillahhh Posted May 14, 2013 Author Report Posted May 14, 2013 Would a 250Amp be sufficient? 02 Lexus IS300 (2JZ FTW) Mids/Highs: JL Audio C5 6.5s all around Mids/Highs Amp: JL Audio HD 600/4 Subs: four SA-8v2s in 3.8cubes @ 32hz Sub Amps: SAZ3k Battery: Huge Interstate Batteries relocated to trunk About 80ft. of 1/0 OFC.... Head Unit: Pioneer 4200NEX
chad190 Posted May 14, 2013 Report Posted May 14, 2013 P(W) = V(V) × I(A) power in watts is = to volts times amps so re-arrange it to power/volts=amps 3500(watts)/(14.6Volts)= 239.73 AMPso to answer your question, a 250 amp alternator will be sufficient, yessir EDIT: unless you're running at 16V, which would be crazy. but if you were, just plug it into that equation, which would be : (since the site says it does 5300 @ 1 ohm on 16V) you would do: 5300/16 = 331.25amps. 2006 Monte Carlo Pioneer DEH-80PRS 2 SSA ZCON 12's 5 Cube Box tuned to 32 Hz Soundqubed 3500.1 PAC LC-1 Singer 320 Amp Alt XS D3100 & Kinetik HC2400 in trunk Super Start AGM Under Hood 80ft+ Sky High 1/0 40 ft^3 120mil sky high deadener Soundqubed Pro Audio 6.5" mids Soundqubed Super Tweeters Alpine 1" Tweeters Alpine MRP-F300
N9neMillahhh Posted May 14, 2013 Author Report Posted May 14, 2013 So 250A would work, I found a 250Amp USA alternator on eBay for $230, would that be a good choice or should I get Mechman, if I get Mechman, I'll bump up to the 270Amp version. 02 Lexus IS300 (2JZ FTW) Mids/Highs: JL Audio C5 6.5s all around Mids/Highs Amp: JL Audio HD 600/4 Subs: four SA-8v2s in 3.8cubes @ 32hz Sub Amps: SAZ3k Battery: Huge Interstate Batteries relocated to trunk About 80ft. of 1/0 OFC.... Head Unit: Pioneer 4200NEX
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