Max1636 Posted April 13, 2012 Report Share Posted April 13, 2012 Looking to build a box to fit in my 1995 VW Golf GL with the RE Audio SX18D2/4 (If anyone could tell me the difference between the D2 and D4 this would also be great) My maximum dimensions are: 90cm Length x 45cm Height x 45cm Depth or 35.4 Inches Length x 17.7 Inches Height x 17.7 Inches Depth I've been using the RE Audio Box Calculator but don't fully understand it: http://www.reaudio.com/box.php I can't seem to even figure out what units are being used I'm sure it's inches but the Box Volume seems wrong, with the dimensions in, it seems to only say 3 cubic feet which seems wrong considering I believe this sub needs 8. I'm probably looking at the wrong value or something but just want to get myself a really good box design in the end. Thanks In Advance. Quote (Old Car) 1995 Volkswagon Golf MK3 2.0L: Fi SP4 18 On A DC Audio 3.5K In A PWK Box Hertz DSK 6" Speakers, Clarion HU 3x Fullriver 120aH AGM's, 225A Alt 2012 Subaru BRZ: Audison Prima APK 163 Bit One, Rockford Amps, Audison Sub Link to comment Share on other sites More sharing options...
ChillMasterWill Posted April 13, 2012 Report Share Posted April 13, 2012 D2 is dual 2 ohm and D4 is dual 4 ohm the dimensions ya are talking about is the maximum size you can go in either direction in box size or what? explain what you are asking.... Quote William - Metter,Ga. Dad, Self Installer/Fabricator & Repair Tech, Weightlifter, Motivator, Team SKAR Audio Captain, Team Deadly Hertz Georgia Leader 99 Toyota 4Runner SR5, "Rolling Thunder" Daily Driven, No Wall, C-Pillar Build, BASS LIFE! 2K16 SBN MECA Park and Pound DB3 Champion 2K16 SBN ISPLL Real SPL Class F Champion Second Skin Damplifier Pro, Kenwood eXcelon KDC X498, Clarion EQ, Knukonceptz RCA's The Big 3, Sky High Car Audio OFC & Kicker Hyperflex Silver Tinned 1/0 Gauge Singer 340a Alt, Northstar NSB-AGM31, SMSAGM480, 12 NessCaps Super Caps Rockford Fosgate 3Sixty Line Driver, The Oval Port Tuned To 31 Hz, CNC Machined 4 SKAR ZVXv2 D2 15's, 2 SKAR SK-4500.1's, 4 SKAR PAX 6.5's, 2 SKAR LP-80.4's MEMBER OF THE YEAR 2013If you don't have any haters, get some, best motivation there is... Link to comment Share on other sites More sharing options...
amgilliam22 Posted April 18, 2012 Report Share Posted April 18, 2012 Here is how you calculate box size. Length X Width X height = total cubic inches / 1 cubic foot which equals (1728) 35 x 17.5 x 17.5 = 10718.75 / 1728 = 6.20 cubic feet. 6.20 cubic feet is without the taking away the amount of space the sub will take. Also if you port it which chances are you will cause you don't want a sealed box that big. When subs say D1, D2 or D4. This is meaning dual voice coil and the ohms it is. So D1 dual 1 ohm, D2 dual 2 ohm and so on. Need anything else message me or ask on here. There is always someone that knows every answer on this forum lol Quote Link to comment Share on other sites More sharing options...
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