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Old 06-26-2013, 02:58 PM
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Join Date: Apr 2010
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Stereo capacity

Hello all. first time posting in the JK section. I just sold my YJ and Bought a 2012 Jk last Saturday. I want to transfer part of my sound system to my new Jeep. The stock system is really lacking (not infinity system) and I want to build a custom box for my 2 10" Sony explodes and mount my krypt 6.5 pods. I have a Sony explode 1200w amp for the subs and a Kenwood 1000w amp for the pods. My concern is the chance of messing up the computer. Is the alternator able to keep up? The 93 YJ couldn't and I messed up the voltage reg. I had to get a 200 amp alt and a external VR. I don't want to go through this mess again. I have all the time to map this out because I'm waiting to get my radio.

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Old 06-26-2013, 04:34 PM   #2
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1000w on a set of 6.5s?....seems a little over kill but I know sony amps aren't very clean and put out rated power but I know they work. Either way you will have major light dimming problems and possibly battery charging problems as they try and keep up with demands. Look up Mechman alternators ..if they don't have one available they can build it. I don't remember what the stock amperage is but you will need more. As far as messing up the computer....I'm not sure what you mean with that.

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Old 06-26-2013, 07:40 PM   #3
Join Date: Feb 2012
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though there may be a slightly larger alternator... you will be in the same situation as you were with the 93. If you had problems with the alternator keeping up, then you must have been pushing the amps pretty hard and drawing the amperage. Save yourself the heartache - get the bigger alternator. You won't be spending the money on the stereo, so you may as spend a bit of it on the power you will need
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Old 06-26-2013, 08:19 PM
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The voltage regulator in the YJ was in the ECU. That's what I messed up. The 6.5 are the Krypt HLCD loud speakers. 150RMS each 300 watts peak. I thought the factory alternator was 140 amp, but i'm not sure. If its not then i'll have to replace the alt.Thank you for the input. As I said this wont be a rush project. New Jeep. New build up. This time I got a monthly payment to got with it
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