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I've been playing around with it and I get 2 xp3000s and a s3400 for a starter. Would that really be enough with a 270a alt to maintain 13.0v at max draw?

You are not going to stay at 13V at max 6-7K watt draw with a 270amp alt. You will drop into the 12V range. 12V batteries only rest at 12.9V. So on a 600amp draw you would have lets say 230amps from the alt going to the system (40 to run the vehicle with ac and all the electrical) and the rest pulling from the batteries. That would be 370amps coming from the three batteries or approx 123 amp per battery. That will put you in the 12V range. Only way to stay in the 13V range is to have a lot more alt power.

RealPower800x135_zps58408f90.jpg

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  • 4 weeks later...

I've been playing around with it and I get 2 xp3000s and a s3400 for a starter. Would that really be enough with a 270a alt to maintain 13.0v at max draw?

You are not going to stay at 13V at max 6-7K watt draw with a 270amp alt. You will drop into the 12V range. 12V batteries only rest at 12.9V. So on a 600amp draw you would have lets say 230amps from the alt going to the system (40 to run the vehicle with ac and all the electrical) and the rest pulling from the batteries. That would be 370amps coming from the three batteries or approx 123 amp per battery. That will put you in the 12V range. Only way to stay in the 13V range is to have a lot more alt power.

well, have a 3rd D3100 on the way...... should be here tomorrow.

and here are the pics of the ones i got a couple weeks ago...

g1vs.jpg

kq4q.jpg

Edited by ChevyBoy95

29408240963_9908a51930_o.png
Best Score to Date : 160.5 dB Outlaw (47Hz)[4 XM 15's & 2 Taramps Bass 12k's]

BL :  http://www.stevemeadedesigns.com/board/topic/147800-chevyboy95s-4-15s-7krms-wall-1533-db-on-half-power/
YouTube: http://www.youtube.com/hitemwiththeflex/

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Thats what I ld start with ....i have a dc power sp320 and only have 2 group 31s in back and a group 34 up front running a RF 1000-4ad and DC7.5K at 0.5 ohm and lowest I drop is 13.1-13.4 demo after demo ...and anyone who has gotten a demo from me knows I dont take it easy Lol. ....

i honestly never thought 2 15s, non wall. can be that loud !!

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4 is the end goal, but for now 3 D3100s will hold me at 13v full tilt. I still at 12.4-12.5v full tilt right now on most songs.

29408240963_9908a51930_o.png
Best Score to Date : 160.5 dB Outlaw (47Hz)[4 XM 15's & 2 Taramps Bass 12k's]

BL :  http://www.stevemeadedesigns.com/board/topic/147800-chevyboy95s-4-15s-7krms-wall-1533-db-on-half-power/
YouTube: http://www.youtube.com/hitemwiththeflex/

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For what it's worth, I'm running four D3100s, D3400 up front and an elite 370a alt. For amps, an NS-1 @.6 and zxi150.4. Full tilt below tunning and I'll see low 13s. Typical full tilt it's high 13s and low 14s.

Soooooo. XS power and mechman FTMFW!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Oh yea yea I have one ofc and three cca runs of - and + front to back. So 8 total. I think you'll be fine with three.

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that aa 500.1 is pretty power hungry, so I understand being over conservative with power. Like the other guys stated, more alts the better. at least 500amps of charging power and 4 0r 5 d3100s to have tout electrical.

*Hummer H3*

HeadUnit

Pioneer AVH-X4600BT

Mids and Highs

8-CT Sounds Pro 8" 8ohm

4-CT Sounds Pro Tweeters

Amplifiers

1-CT Sounds 125.4

1-CT Sounds 60.4

1-CT Sounds 7000.1

Electrical

3-Runs of 1/0 CT Sounds

8-XS Power D3100

3-Iraggi 300 amp Alternators

Subwoofers

4-SQ Hdc3 15" Subwoofers

(Soon to be 4 15" Ct Sounds EXO)

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