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  1. I dont see anyone asking this type of question anywhere. The questions all seem to be putting higher rated amplifiers on from their stock 100,110,130 amp alt.. instead of my situation. So what if my original stock alternator was actually lower than those? By essentially doubling what mine was I should now have that extra available amps from my moderately low one now right? I'm pretty new to adding any high amount of audio power to a car so I'm trying to learn, as I prefer to do my own installs or work on my cars. So heres my question. My stock alternator was 65amps. If i do the math to try and figure out if I can put the system I want in, I believe I'll be ok, But I would like an expert oppinion. So if I do the math of 14.4 volts X 65, that gives me 936 watts. (I'm using watts cause the math seemed more simple) Based on the research I've done for figuring this, They say 50 to 60% of that is needed to run the car (89 lincoln town car). 60% being 561.6 watts. That would leave me with an available overhead with that alt about 375 watts. Keeping this in mind I've now upgraded to a 130amp alt. Doing the math now 14.4 volts X 130 gives me 1872 total watts I can now produce. 1872 watts minus the hypothetical 561 watts my car would need to just run (@ 60% of the original alt) I should be left with about 1,311 of overhead power now, correct? I really want to run a 1200 watt rms class D amp on this. It's the Skar 1200.1D to be exact, I know these amps want to draw more and I may get some dimming at full tilt. But these being class D are supposed to be efficient. And unless I'm blasting it full tilt and have the gains down i should be ok no? Should I consider something else in the 1000rms range? I'm on a tight budget and looking for a whole kit that slams good in the $500 range, like the skar sdr 12's I'm looking at. These look the best I can find, that are going to give me the bass I want. I've tried figuring out what my cars stock amperage draws are by adding up the fuses under the hood like some suggest, but only get ridiculous 300+ amp figures doing it that way. Any help from you guys is appreciated.
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