Joker Posted March 31, 2009 Report Share Posted March 31, 2009 (edited) In the RE calculator type this in the red in this order. http://reaudio.com/speaker_box/LPort_Box_Calc.html 30 16 24 24 0.75 4 0 16" H x 30" W x 24" D 4.5cuft @ 32.79Hz without the sub - Fi BL 15"sub displacement is .18cuft = 4.32cuft @ 33.xx Hz with the sub . Little bigger than listed but I think this size is acceptable and will bang hard . As you can see 4" slot port x 26" long = length to width ratio of 6.5:1 58sq in port area , 13.43sq in per cuft . Cut sheet ~ Bottom - 24"d x 30"w Back - 14.5"h x 30"w Left side - 14.5"h x 23.25"d ( port side , drivers side ) Right side - 14.5"h x 22.5"d Front - 14.5"h x 25.25"w Port- 14.5"h x 18.5"d Top- 24"d x 30"w Final ~ 4.32cuft @ 33Hz displaced , 58sq in port area Sub inside cut diameter = 14.125" . Edited March 31, 2009 by Joker Quote 2000 Trans Am ws6 - 6spd / M9 / cam / full bolt-ons / semi full suspension / tune 1998 Integra - daily beater, [2] AB XFL-1244's / 4ft³@35Hz, 61in² / Saz-3500dv1 @.85Ω Link to comment Share on other sites More sharing options...
Bali Posted March 31, 2009 Author Report Share Posted March 31, 2009 In the RE calculator type this in the red in this order. http://reaudio.com/speaker_box/LPort_Box_Calc.html 30 16 24 24 0.75 4 0 16" H x 30" W x 24" D 4.5cuft @ 32.79Hz without the sub - Fi BL 15"sub displacement is .18cuft = 4.32cuft @ 33.xx Hz with the sub . Little bigger than listed but I think this size is acceptable and will bang hard . As you can see 4" slot port x 26" long = length to width ratio of 6.5:1 58sq in port area , 13.43sq in per cuft . Cut sheet ~ Bottom - 24"d x 30"w Back - 14.5"h x 30"w Left side - 14.5"h x 23.25"d ( port side , drivers side ) Right side - 14.5"h x 22.5"d Front - 14.5"h x 25.25"w Port- 14.5"h x 18.5"d Top- 24"d x 30"w Final ~ 4.32cuft @ 33Hz displaced , 58sq in port area Sub inside cut diameter = 14.125" . so just cut the wood to that with mdf, and when it's together, those dimensions will give me around 33hz and around 4 cf3? Quote Link to comment Share on other sites More sharing options...
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