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View Full Version : box plans-HDC3-18



AllDayMJ
06-07-2009, 04:45 AM
ill let you guys look and see if this is any good, not sure if i truly have enough space..and yes, i plan to insert the pvc ports first and then pull them out and caulk them once in trunk...plan is sub up port back in 97 grand prix gt

http://img10.imageshack.us/img10/7370/subboxforforumpicf.jpg

snb778
06-07-2009, 04:51 AM
can you fit something alittle bigger?... I have mine in 5.2 and it slaaams..

what amp you got on it? or how much power

d-REW
06-07-2009, 05:13 AM
looks way too small maybe a 15 might work in it but i dont think an 18 will.

kappout
06-07-2009, 01:57 PM
this box blows! horrible! you **** matt ;-)

AllDayMJ
06-07-2009, 03:59 PM
can you fit something alittle bigger?... I have mine in 5.2 and it slaaams..

what amp you got on it? or how much power
ask other grand prix owners(97-01), my max dimensions are 34.5x21x14.5... and im using 1" MDF above and subtracted both bracing and sub volume...idk, what would most people consider the minimum volume for an 18(or this 18? lol)

and im probably buying the PowerBass ASA 1500.1D off millionbuy seeing its on sale and puts out atleast 1400w of solid reliable power for 240.40 shipped..

mgcauctions09
06-07-2009, 04:19 PM
ask other grand prix owners(97-01), my max dimensions are 34.5x21x14.5... and im using 1" MDF above and subtracted both bracing and sub volume...idk, what would most people consider the minimum volume for an 18(or this 18? lol)

and im probably buying the PowerBass ASA 1500.1D off millionbuy seeing its on sale and puts out atleast 1400w of solid reliable power for 240.40 shipped..

:rolleyes: Just spend a little extra and get an aq2200d

DonH
06-07-2009, 04:22 PM
bigger box....

i would throw a 15 in there but def. not an 18

like stated go with 5ft^3

AllDayMJ
06-07-2009, 09:26 PM
can you fit something alittle bigger?... I have mine in 5.2 and it slaaams..

what amp you got on it? or how much power

cant fit

bigger box....

i would throw a 15 in there but def. not an 18

like stated go with 5ft^3

only have 5cu.ft if built sealed..lol, id much rather port the 15 in a nice *** box than go for shock appeal of and do an 18 selaed...grand prix trunks are **** for bigger boxes...

DNick454
06-07-2009, 09:33 PM
you have your terms mixed up, gross is before, net is what's left :p:

3.7 seems a bit small though. You'd have to pump soooo much power into that sub and I'm not sure the copper coil would like that.

AllDayMJ
06-07-2009, 09:42 PM
you have your terms mixed up, gross is before, net is what's left :P

3.7 seems a bit small though. You'd have to pump soooo much power into that sub and I'm not sure the copper coil would like that.

lol, i realized after and just left it..

and im thinking about 14-1600w out of a powerbass asa 1500.1d

justin smith
06-07-2009, 09:48 PM
try it see how it sound probally peaky as hell but if the peaks i where you want it and it sounds good keep it

AllDayMJ
06-07-2009, 09:53 PM
try it see how it sound probally peaky as hell but if the peaks i where you want it and it sounds good keep it

problem with that..is if i don't like it and doesn't peek right, then there's not much i can do and need to sell and 18..lol, i could, but rather just make the right purchase the first time

kodak314
06-07-2009, 10:00 PM
do you already have the sub?

if so, you did you get a 18 if you knew u had a small trunk?

99grandprixGT
06-07-2009, 10:01 PM
ya id go with a 15 or even just two 12s and call it a day. thats why im getting an SUV to put subs in, i hate trunk cars

DNick454
06-07-2009, 10:06 PM
Send the sub back to AQ and have them recone it to a 15" moofa. Then make the same box, 3.7 @ 35Hz would rape...

AllDayMJ
06-08-2009, 03:25 AM
do you already have the sub?

if so, you did you get a 18 if you knew u had a small trunk?
didnt buy i yet, probably getting the 15..might do a 4th order for it..lol


ya id go with a 15 or even just two 12s and call it a day. thats why im getting an SUV to put subs in, i hate trunk cars
agreed, dont wanna spend 580 on 2 hdc312s tho, and need 3k watts instead of 1500...

Send the sub back to AQ and have them recone it to a 15" moofa. Then make the same box, 3.7 @ 35Hz would rape...
didnt buy it yet, so i can just order a 15 instead, bout to have some box plans up for a 4th order..who knows..

rgplayer
06-08-2009, 03:45 AM
Well sounds like my exact situation. I have a an eclipse and the hatch is pretty small and spent money on 2 boxes that seemed like they would fit but now am trading my 18:(. So I would just go with something I knew would fit.

AllDayMJ
06-08-2009, 06:11 PM
Well sounds like my exact situation. I have a an eclipse and the hatch is pretty small and spent money on 2 boxes that seemed like they would fit but now am trading my 18:(. So I would just go with something I knew would fit.

dayum, i really wanted to wang an 18..guess ill have to get stuck with a little 15 to play with..

mlstrass
06-08-2009, 09:29 PM
how about 2 12" SDC's? Feed em around 1200-1500 and you'll be set...

AllDayMJ
06-10-2009, 05:01 PM
meh..like the appeal of 1 single very capable driver, and Im shooting for ~1.5kw from that powerbass