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<blockquote data-quote="divebombvt" data-source="post: 7558508" data-attributes="member: 638026">Hi, first post to the forums, //content.invisioncic.com/y282845/emoticons/smile.gif.1ebc41e1811405b213edfc4622c41e27.gif.I have a friend who has a power acoustik 3000 watt demon amp for sale for $100 and he will build me a custom box for free. I was thinking I would get the Power acoustik mofo 15&quot; dvc 4ohm sub to replace my now kenwood subs. The kenwood subs currently run at 400rms at 4ohms a piece(2 channel amp) and I have NO LIGHT DIMMING AT ALL. However my alternator is only a 85amp, so to go to a 1700w rms sub would fry my alt. right? Upgrading my alternator isn&#039;t within the realm of possibility(would cost me $600 for a ho).So I have done my research and am wondering if I could get an answer on which of the following upgrades would be necessary to keep my alternator kicking(as well as my battery).1. The big 32. Second Battery3. Upgrading my current battery in addition to adding a second battery4. Adding a 3 Farad Cap. to my system5. Adding a volt-meter/regulator to my systemI am only considering upgrading because the amp and box are $100, and I could get enough for the mofo by selling my current setup. So please keep price in mind while giving me suggestions.P.S. In the summer I go to a drive in theater pretty regularly, which has double feature movies, they let you charge your car for 30min in between films, so allow for that time just sitting(If I need to carry a booster pack I could get my hands on one for dirt money, not a problem...)</blockquote>

[QUOTE="divebombvt, post: 7558508, member: 638026"] Hi, first post to the forums, [IMG]//content.invisioncic.com/y282845/emoticons/smile.gif.1ebc41e1811405b213edfc4622c41e27.gif[/IMG]. I have a friend who has a power acoustik 3000 watt demon amp for sale for $100 and he will build me a custom box for free. I was thinking I would get the Power acoustik mofo 15" dvc 4ohm sub to replace my now kenwood subs. The kenwood subs currently run at 400rms at 4ohms a piece(2 channel amp) and I have NO LIGHT DIMMING AT ALL. However my alternator is only a 85amp, so to go to a 1700w rms sub would fry my alt. right? Upgrading my alternator isn't within the realm of possibility(would cost me $600 for a ho). So I have done my research and am wondering if I could get an answer on which of the following upgrades would be necessary to keep my alternator kicking(as well as my battery). 1. The big 3 2. Second Battery 3. Upgrading my current battery in addition to adding a second battery 4. Adding a 3 Farad Cap. to my system 5. Adding a volt-meter/regulator to my system I am only considering upgrading because the amp and box are $100, and I could get enough for the mofo by selling my current setup. So please keep price in mind while giving me suggestions. P.S. In the summer I go to a drive in theater pretty regularly, which has double feature movies, they let you charge your car for 30min in between films, so allow for that time just sitting(If I need to carry a booster pack I could get my hands on one for dirt money, not a problem...) [/QUOTE]

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