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11-14-2011, 01:35 AM #1
second battery and advice on amps
so guys im about to tackle my stereo system and im looking at adding a second batter to my truck for stereo and was wondering how do i hook it up. now for second question is i just got my alpine SWR -t12 with 600watts rms and was wondering if these amp will run it or will it be under/too much power for the sub http://www.alpine-usa.com/product/view/mrx-m100/default
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11-14-2011, 03:44 AM #2
How you connect a second battery will depend entirely on your application. You can go 24 volt, you can isolate one, or you can isolate them both (from each other). Each has its uses/purpose, strengths and weaknesses.
11-14-2011, 03:27 PM #3
- Join Date
- May 2010
I have done this two different ways,first with a continuos(sic) duty solenoid,this has the problem of boiling one battery while charging the low battery,second I have used an old regulator housing and two diodes,this has the same charging problem it just not drain both batteries.I have user this forum to search about this.I do not know if isolators will take care of charging or not.I could not find if they separate the charging or not.Seems to me the best way is to use two alternators,used on some diesels,this totally separates the batteries.A little more work,but foolproof.You may need an upgrade on your alternator if you go with first two ways.Good luck and happy truckin.2008,2500 silverado,k-n filter,flowmaster 7o series muff. linex bedliner.
11-14-2011, 09:14 PM #4
as for the second battery - Why a second battery? With what your running the only reason to run a second battery would be if you run the system with the truck off for extended periods of time...which you would run an isolator to always maintain a charged battery if one is drained or fails etc...
11-14-2011, 09:29 PM #5
i was planning on running another sub with the pdx-m12 amp which would be 1200 watts rms it just seems like alot on the one battery. do anyone know what the difference is in a dual down fire box and an up fire box and is it better to have the box sealed or ported
Last edited by Burden33; 11-14-2011 at 09:31 PM.
11-15-2011, 09:00 PM #6
Down fire boxes are where the subs are facing down on the botton of the box....upfire are your installed in the top of the box facing up.
Sealed boxes give a sharper clean bass response(quicker)....ported boxes generally go lower in range and give the "BOOM" factor.
11-16-2011, 01:34 AM #7
im also looking at running a capacitor instead of a second battery just wondering what good ones are out there
11-19-2011, 09:10 AM #8
So guys im going to run a second battery and do the big 3 instead of ruunong a capcitor
11-19-2011, 01:58 PM #9
11-20-2011, 10:00 PM #10
- Join Date
- Apr 2010
- Piermont,NY, back in Northern NJ now, But may be in IL soon....
Caps are Bandaids and a waste of money OR how Best Buy makes there money.. Do 2 Good Batt's and maybe a good Alt and you will be fine..08 Z71 Avalanche Mods to date: K&N CAI,Hellwig Swaybars and End Links, Corsa Sport Exhaust, Superchips Programer,IPCW LOF & 3rd brake light and tails, AMI Gas door,Show Hooks and Door locks, Enkei Wheels, with Pirelli tires, StreetScene Bowties, Grant Steering wheel,Muth signal mirrors,SSBC Big Brake kit,Huskyliner Mug gards,Floor mats and Hood shield, McGard Lug nuts and locks, Bedrug, Cervini's Ram Air hood,35watt HID Fog lights, Sylvania bulbs all around ZXE's Highs and Lows, WhiteNight Back up lights,Sirius and HD Radio, SnugTop sitting on deck now Got a Softopper on now,Tempress Boat Hatches.... New Bilstein shocks are on... New Mods coming soon..... X
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