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  #1  
Old 05-11-2013, 02:08 PM
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Question fi q 18 box? need help ASAP

have it pretty much figured out except for the port. I wanna use 1 8 in PVC port 18in long which should tune me about 27hz. My net volume is 7.76ish port area of 50.24 and a port area per ft of 6.47. just need to know if 1 8in port would work well. will be subs up port back

my measurement 20x38x24=8.79ft gross volume
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Old 05-11-2013, 02:22 PM
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that port area is a bit low...2 6 inch ports would be better...get some 6 inch aero's from parts express...they will sound better and much easier to mount vs the pvc pipe...try to keep port area for aero's around 10 per cube
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Old 05-11-2013, 02:28 PM
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How much power you gonna put it on? I did a box for an FI Q 18 for my buddy and it does great even on a Sundown 3k @ 1/2 ohm. Clamped 2900W to it. Sub/face on same plane of box, sub / port up in a jeep.
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Old 05-11-2013, 02:41 PM
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Originally Posted by KickinBlazer View Post
that port area is a bit low...2 6 inch ports would be better...get some 6 inch aero's from parts express...they will sound better and much easier to mount vs the pvc pipe...try to keep port area for aero's around 10 per cube
2 six in areos is only 56.52
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Old 05-11-2013, 02:42 PM
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Originally Posted by KTMrida4life View Post
How much power you gonna put it on? I did a box for an FI Q 18 for my buddy and it does great even on a Sundown 3k @ 1/2 ohm. Clamped 2900W to it. Sub/face on same plane of box, sub / port up in a jeep.
Soundstream rubi2500
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Old 05-11-2013, 02:47 PM
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Soundstream rubi2500
o god your not gonna be happy with that amp
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Old 05-11-2013, 02:57 PM
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o god your not gonna be happy with that amp
pushed my 3 sa-10's just fine
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Old 05-11-2013, 07:26 PM
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might just need a design if anyone is willing to do one for me
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ca.com traded w/ beaver1992, p3bumpin, 1phatclipse, spltuscon, profoundwill

ca.com bought from: SPY, audio_phill, ltr450racer690, huricaine

ca.com sold to: millimac247

caco: White91Formula, sleepingciv, 98AckCL23

plenty on Ebay: (Nathan7145)
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