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box for 6 L7 12ís


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3cc_installer 
Copper - Posts: 43
Copper spacespace
Joined: December†21, 2006
Location: United States
Posted: December†24, 2006 at 3:04 AM / IP Logged  
I am building a box for 6 kicker L7 12's in an extended cab chevy silverado.  can anyone tell me what the best airspace would be per sub?  i'm gonna wall it but i need to get my airspace and port demensions first.  any input would be greatly appreciated.
Jared Nixon - A.K.A Jsmoke
3rd Coast Customs
Lake Charles, Louisiana
jeffchilcott 
Platinum - Posts: 2,483
Platinum spacespace
Joined: April†11, 2002
Location: United States
Posted: December†24, 2006 at 12:41 PM / IP Logged  
depends on what your going for.   what type of music you listen to.   If you are looking for clarity of Loudness, or vice versa.
Also how much real power you will be putting to them will play a very large factor in how they sound in certian boxes.    What will you be powering all this with?
Amps? Alternator? Batteries?
2009 0-1000 Trunk WR 154.0DB 2009 1001+ Trunk WR
2007 USACI World Champion
2007 World Record
2006 USACI Finals 2nd Place
3cc_installer 
Copper - Posts: 43
Copper spacespace
Joined: December†21, 2006
Location: United States
Posted: December†24, 2006 at 6:36 PM / IP Logged  
6 kicker L7 12's  2006 models, 3 rockford T10001BD amps, dual alternators (stock + 200 amp aftermarket), o gauge power wire off of dual batteries under hood (stock battery + optima yellow top)2 wires, one off of each battery, & 1 powercap 400 battcap.  truck idles at 14.9 volts.  well they guy listens to mostly rap music and wants alot of bass.  he wants to compete locally also.  i guess he wants more street bass than spl,  he  wants to bang it all the time, not just burp it on a meter.  i hope this helps.  thanks alot.
Jared Nixon - A.K.A Jsmoke
3rd Coast Customs
Lake Charles, Louisiana
jeffchilcott 
Platinum - Posts: 2,483
Platinum spacespace
Joined: April†11, 2002
Location: United States
Posted: December†24, 2006 at 7:40 PM / IP Logged  
I would go with about 2-2.25cu ft per woofer if you can fit it
so roughly 12-13.5cuft    try plotting out some boxes on winISD to test port sizes.
2009 0-1000 Trunk WR 154.0DB 2009 1001+ Trunk WR
2007 USACI World Champion
2007 World Record
2006 USACI Finals 2nd Place
oxygen65 
Silver - Posts: 252
Silver spacespace
Joined: August†19, 2005
Location: United States
Posted: December†26, 2006 at 3:06 AM / IP Logged  

make the box as big as you can and port it becuse those things sound the best with some real air to each one of them i would say run 4 of them in a 4 cubic foot box ported and let it wang becuse i think 4 ported in a good box is gonna sound better than 6 in a box hat is short of some air for each of them

aznboi3644 
Gold - Posts: 2,600
Gold spaceThis member consistently provides reliable informationspace
Joined: May†01, 2006
Location: United States
Posted: December†26, 2006 at 3:48 PM / IP Logged  
oxygen65 wrote:

make the box as big as you can and port it becuse those things sound the best with some real air to each one of them i would say run 4 of them in a 4 cubic foot box ported and let it wang becuse i think 4 ported in a good box is gonna sound better than 6 in a box hat is short of some air for each of them

giving one cu ft to each sub and port it compared to Jeff's recommended 2.2-2.25 cu ft??
oxygen65 
Silver - Posts: 252
Silver spacespace
Joined: August†19, 2005
Location: United States
Posted: December†26, 2006 at 8:38 PM / IP Logged  
yea sorry about that i didnt mean 1 cubic foot per sub i ment to give them more air like 4 cu ft each

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