Bryont Posted December 23, 2015 Report Posted December 23, 2015 Ok so i have a 2015 chevy sonic lt and am trying to get help with a box design for 3 12's in a ported box. I have this space to work with in the trunk Height = 14 inches Width = 34 inches Length = 22 Inches DIAMETER: 12" (305MM) SENSITIVITY (2.83V @ 1M): 90dB POWER HANDLING: 275WRMS 1100WPEAK FREQUENCY RESPONSE: 27Hz – 450Hz NOMINAL IMPEDANCE: 4 OHMS VOICE-COIL DIAMETER: 2" (51MM) Dimensions: Outer Diameter 12-5/16" (313mm) Mounting Depth 6-7/16" (164mm) Cutout Diameter 11-1/4" (286mm) THIELE-SMALL PARAMETERS VOICE-COIL DC RESISTANCE: REVC (OHMS) . . . . . . 4.00 VOICE-COIL INDUCTANCE @ 1KHZ: LEVC (MH) . . . . . . . 1.26 DRIVER RADIATING AREA: SD (IN2) . . . . . . . . 82.15 SD (M2) . . . . . . . 530.00 MOTOR FORCE FACTOR: BL . . . . . . . . . 15.2 COMPLIANCE VOLUME: VAS (FT3) . . . . . . . . . 1.9 VAS (LITERS) . . . . . . 54.2 SUSPENSION COMPLIANCE: CMS (μM/N) . . . . 135.00 MOVING MASS, AIR LOAD: MMS (GRAMS). . . . 223.00 MOVING MASS, DIAPHRAGM: MMD (GRAMS) . . . 216.00 FREE-AIR RESONANCE: FS (HZ) . . . . . . . . 29.00 MECHANICAL Q: QMS . . . . . . . . . . . 6.39 ELECTRICAL Q: QES . . . . . . . . . . . 0.64 TOTAL Q: QTS . . . . . . . . . . . . 0.58 MAGNETIC-GAP HEIGHT: HAG (IN) . . . . . . . . 0.315 HAG (MM) . . . . . . . . 8.00 VOICE-COIL HEIGHT: HVC (IN) . . . . . . . . . 1.43 HVC (MM) . . . . . . . . 36.4 MAXIMUM EXCURSION: XMAX (IN) . . . . . . . . 0.56 XMAX (MM) . . . . . . . 14.2 Trying to put the 3 subs top mounted with the port firing into the car. Hopefully this is all the info i need to provide. Thank in advance for any help
la_01ninja Posted December 23, 2015 Report Posted December 23, 2015 3 12s in a sonic????? I hear sonic boom coming.....
Bryont Posted December 23, 2015 Author Report Posted December 23, 2015 3 12s in a sonic????? I hear sonic boom coming..... thats the plan provided the box is able to fit in the trunk lol
hoit Posted December 23, 2015 Report Posted December 23, 2015 ...so its a sedan...tuned in, as I have a 07 aveo sedan...very similar...you're just a little bigger (and NEWER!!) im only doing 2 10s ported, still keeping the back seats. (daily,kids,etc.) is this an spl build, sq, daily? if I went three 12s, something would have to give! 2007 Chevy Aveo Ls sedan 2 Sundown Xv2 on scv4k @ .5 ohm 2 pair RE XXX 6.5 components on sax200.4 @ 2 ohm Big Three, Three runs 1/0 power from front to back, 1 ground front to back Two runs ground from rear bank to chassis XS power d3100 upfront, 3 Odyssey 2150s in bank Singer 220 amp alt
hoit Posted December 23, 2015 Report Posted December 23, 2015 oh, and welcome to the forum! 2007 Chevy Aveo Ls sedan 2 Sundown Xv2 on scv4k @ .5 ohm 2 pair RE XXX 6.5 components on sax200.4 @ 2 ohm Big Three, Three runs 1/0 power from front to back, 1 ground front to back Two runs ground from rear bank to chassis XS power d3100 upfront, 3 Odyssey 2150s in bank Singer 220 amp alt
Triticum Agricolam Posted December 23, 2015 Report Posted December 23, 2015 What amp are you going to be using? You don't really have enough space for three 12"s. Even two is going to be a bit on the snug side, but may be possible. "Nothing prevents people from knowing the truth more than the belief they already know it.""Making bass is easy, making music is the hard part."Builds:
Bryont Posted December 23, 2015 Author Report Posted December 23, 2015 its a daily driver. the space i have to work with listed is pretty much my entire trunk, except the height, i measured the height low enough so the the trunk hinges would clear the top of the box. Also thanks for the welcome
Bryont Posted December 23, 2015 Author Report Posted December 23, 2015 What amp are you going to be using? You don't really have enough space for three 12"s. Even two is going to be a bit on the snug side, but may be possible. i dont remember the amp off hand "still got to get it from my neighbor".... just that its a 2500 watt mono amp. i kinda figured to get them ported properly 3 might be impossible without walling off the back of the car lol, however 2 should fit easily.
Joe X Posted December 23, 2015 Report Posted December 23, 2015 So here is a suggestion for two which is what you can really do, power: to subs rated, amp subsonic filter to 28Hz, minimum port clearance 4", figure is just an assembly guide:NOTE: If building outside you need to build a cardboard dummy box to test fit in it's way inside.
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