dbwesz Posted September 6, 2008 Report Share Posted September 6, 2008 can somebody give me some advises or help with calculating a new box, 4 fi btls 18'' 8 rf t30001bd's want them playing on 28hz thnx Quote Alpine HU 9855R IPODRE XXX compo, 2nd one is comingrockford t8004 amp ( 4 channel ) rockford (4x) T30001bd mono amps @ 0,5 ohm for dailyRE Audio 18'' MT (2 x) Enclosure is 400 LITER tuned on 28HZ28HZ - 150db TL 200731HZ - 152db TL 2007Max Score 157,4db TL 2008 @35hz----------------------------------------------NEW INSTAL UNDERCONSTRUCTION!!ALPINE HU 9855RIPOD4 RE XXX COMPONENT SETS4 RE COAXIAL SETS4 FI BTLS 18'' SUBS8 RF T4000BD'S MONO AMPS4 RF T8004 4 CHANNEL AMPS16 northstar nsb 125 batts70mm wiring10 RF 100 farad powercaps Link to comment Share on other sites More sharing options...
Guest Posted September 6, 2008 Report Share Posted September 6, 2008 multiply the box dimensions for 1 sub by how many subs you will use. example: if you have 1 sub that needs 3cuft to work properly, and you have 4 of them, multiply 3 x 4 to get 12cuft. Quote Link to comment Share on other sites More sharing options...
dbwesz Posted September 6, 2008 Author Report Share Posted September 6, 2008 that i know but the box also depends on the power, and like i said 4 FI BTLS 18 about 30k daily Quote Alpine HU 9855R IPODRE XXX compo, 2nd one is comingrockford t8004 amp ( 4 channel ) rockford (4x) T30001bd mono amps @ 0,5 ohm for dailyRE Audio 18'' MT (2 x) Enclosure is 400 LITER tuned on 28HZ28HZ - 150db TL 200731HZ - 152db TL 2007Max Score 157,4db TL 2008 @35hz----------------------------------------------NEW INSTAL UNDERCONSTRUCTION!!ALPINE HU 9855RIPOD4 RE XXX COMPONENT SETS4 RE COAXIAL SETS4 FI BTLS 18'' SUBS8 RF T4000BD'S MONO AMPS4 RF T8004 4 CHANNEL AMPS16 northstar nsb 125 batts70mm wiring10 RF 100 farad powercaps Link to comment Share on other sites More sharing options...
dbwesz Posted September 6, 2008 Author Report Share Posted September 6, 2008 can i take the same dimensions as for 1 mt re audio ?? Quote Alpine HU 9855R IPODRE XXX compo, 2nd one is comingrockford t8004 amp ( 4 channel ) rockford (4x) T30001bd mono amps @ 0,5 ohm for dailyRE Audio 18'' MT (2 x) Enclosure is 400 LITER tuned on 28HZ28HZ - 150db TL 200731HZ - 152db TL 2007Max Score 157,4db TL 2008 @35hz----------------------------------------------NEW INSTAL UNDERCONSTRUCTION!!ALPINE HU 9855RIPOD4 RE XXX COMPONENT SETS4 RE COAXIAL SETS4 FI BTLS 18'' SUBS8 RF T4000BD'S MONO AMPS4 RF T8004 4 CHANNEL AMPS16 northstar nsb 125 batts70mm wiring10 RF 100 farad powercaps Link to comment Share on other sites More sharing options...
Jeremy M Posted September 13, 2008 Report Share Posted September 13, 2008 lol ur gonna want like 2.5 cu ft for each sub with that knid of power...i think for like 3K+ for 1 18 u might use a 4.5cu ft box, so for more power u need a smaller box, but that's JMHO Quote Link to comment Share on other sites More sharing options...
duct_tape123 Posted September 13, 2008 Report Share Posted September 13, 2008 6000+ watts/ sub?? thatsalottapowa!!! Quote Link to comment Share on other sites More sharing options...
dbwesz Posted September 13, 2008 Author Report Share Posted September 13, 2008 yes around 6 kw daily 2 t30001bd's a sub ( fi btl 18 ) but who can help me calculating the perfect box. it need to handle 6kw a sub and i have 4 subs. it needs to go low aswell sombody can give me box dimensions en port dimensions please. thnx Quote Alpine HU 9855R IPODRE XXX compo, 2nd one is comingrockford t8004 amp ( 4 channel ) rockford (4x) T30001bd mono amps @ 0,5 ohm for dailyRE Audio 18'' MT (2 x) Enclosure is 400 LITER tuned on 28HZ28HZ - 150db TL 200731HZ - 152db TL 2007Max Score 157,4db TL 2008 @35hz----------------------------------------------NEW INSTAL UNDERCONSTRUCTION!!ALPINE HU 9855RIPOD4 RE XXX COMPONENT SETS4 RE COAXIAL SETS4 FI BTLS 18'' SUBS8 RF T4000BD'S MONO AMPS4 RF T8004 4 CHANNEL AMPS16 northstar nsb 125 batts70mm wiring10 RF 100 farad powercaps Link to comment Share on other sites More sharing options...
reinke Posted September 13, 2008 Report Share Posted September 13, 2008 i would do 3.2 per sub. Quote ----reference's---- meade916 Link to comment Share on other sites More sharing options...
Sampsonite Posted September 15, 2008 Report Share Posted September 15, 2008 Damn Dude. Give us the demensions of the room you are playing with Quote --Sampson 816-591-6592 www.kcrimshop.com Link to comment Share on other sites More sharing options...
dbwesz Posted September 15, 2008 Author Report Share Posted September 15, 2008 enough space to build but i need cu ft and port dimensions Quote Alpine HU 9855R IPODRE XXX compo, 2nd one is comingrockford t8004 amp ( 4 channel ) rockford (4x) T30001bd mono amps @ 0,5 ohm for dailyRE Audio 18'' MT (2 x) Enclosure is 400 LITER tuned on 28HZ28HZ - 150db TL 200731HZ - 152db TL 2007Max Score 157,4db TL 2008 @35hz----------------------------------------------NEW INSTAL UNDERCONSTRUCTION!!ALPINE HU 9855RIPOD4 RE XXX COMPONENT SETS4 RE COAXIAL SETS4 FI BTLS 18'' SUBS8 RF T4000BD'S MONO AMPS4 RF T8004 4 CHANNEL AMPS16 northstar nsb 125 batts70mm wiring10 RF 100 farad powercaps Link to comment Share on other sites More sharing options...
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