| Author |
Thread: Putting a port in a 7cuft sealed box |
    
New member Username: Snacks
Quincy,
Florida
USA
Post Number: 1
Registered: Jul-08
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| Posted on Wednesday, July 16, 2008 - 03:30 pm: |
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I built an offset sealed box for 2 kicker 12" Comps. I used the dimensions in the manual and built the max sound or whatever. it came out to be 7 cubic feet. I bought 2 Kicker CVRs recently and put them in and since my amp couldnt handle a 1 ohm load i wired them at 4 (1200w performance teknique)
What I want to do is try to port the box so i dont have to buy another amp and just push a safe amount of power to the subs.
for the 7 cu ft, i was wondering maybe 2 round ports, 4" diameter by 20" deep, one on each side of the box. any suggestions? |
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Gold Member Username: Southernrebel
Monroe,
Louisiana
2 DD3515s, 2...
Post Number: 6524
Registered: Mar-04
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| Posted on Wednesday, July 16, 2008 - 03:53 pm: |
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What are you boxes internal dimensions? |
New member Username: Snacks
Quincy,
Florida
USA
Post Number: 2
Registered: Jul-08
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| Posted on Wednesday, July 16, 2008 - 03:58 pm: |
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should be 3.5,99.1 |
New member Username: Snacks
Quincy,
Florida
USA
Post Number: 3
Registered: Jul-08
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| Posted on Wednesday, July 16, 2008 - 11:14 pm: |
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help??? |
Gold Member Username: Somedonniedude
Illinois
United States
Post Number: 1858
Registered: May-07
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| Posted on Thursday, July 17, 2008 - 01:17 am: |
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7cf is way to big! I think you are better off building a new box IMO. |
Platinum Member Username: Rovin
1 15 = 149.5 DBs
Trinidad & T...
Post Number: 14016
Registered: Jul-05
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| Posted on Thursday, July 17, 2008 - 11:03 am: |
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post pix & external dimensions of ur box ... |
New member Username: Snacks
Quincy,
Florida
USA
Post Number: 4
Registered: Jul-08
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| Posted on Thursday, July 17, 2008 - 01:18 pm: |
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this is it with the 2 comps.
ive already switched them out with the cvrs
someone recommended trying 3 4" ports at 10" long since the 2 4"x20" would be tuned too low. does that sound about right?
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Silver Member Username: Deadrabit
Post Number: 598
Registered: Jun-07
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| Posted on Friday, July 18, 2008 - 12:58 am: |
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use this. and tune to 40 Hz.
is there a devider in that?
not really sure were to place the port the way they are setting |
New member Username: Snacks
Quincy,
Florida
USA
Post Number: 6
Registered: Jul-08
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| Posted on Friday, July 18, 2008 - 01:23 am: |
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I put the ports in today :D we decided since we originally came up with 2 4x20" ports and another 'experienced builder' recommended 3 4x10 that we'd go right in the middle and do 2 4x15" ports.
on the left side it sits right under the sub and on the right its right over it about two or three inches from the edge on top and bottom and it sounds beatiful :D :D :D i havent been so happy with my system in years |
