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View Full Version : HELP! box design for 2 15 in L5s......



kickersubs4life
01-03-2012, 03:05 PM
I just bought 2 dual 2 ohm 15 in kicker L5s and I want to build a vented box for them. I don't know if I can fit it in my trunk though. I have 37.5 in-width 17 in-height 26 in-depth. Could someone help me figure out a box design for my trunk! I would like to tune the port to 30 htz. Any help would be greatly appreciated!

DoesDad
01-03-2012, 03:21 PM
What kind of car is it? That's not a whole lot of space for those monsters to breath in. There's a bunch of box builders on here (pro rabbit) is one name that comes to mind. He might be able to give you a hand. Good luck!

kickersubs4life
01-03-2012, 03:25 PM
It is a 99 Chrysler Cirrus. It has rear fold down seats. I know thats not a lot of space but I really wanna fit these in my trunk.

sacsking916
01-03-2012, 04:29 PM
those are small trunks bro. dont think you will have the optimal airspace for them. worth a shot though, hit up prorabbit, or ram designz they can point you in the right direction

kickersubs4life
01-03-2012, 04:32 PM
Should i just build like a 6 cube vented box for 1 15 and sell the other? Would 1 15 be pretty loud?

sacsking916
01-03-2012, 04:43 PM
Should i just build like a 6 cube vented box for 1 15 and sell the other? Would 1 15 be pretty loud?

what year L5s are they?

jeremyg1
01-03-2012, 05:23 PM
I have had good luck with that driver in as small of a box as 4 cubic feet after all displacement is taken into account. You would probably be best off just running 1, unless someone has a better idea.

Jdubs04ss
01-03-2012, 05:57 PM
Dont listen to em I have 2 15" Mojos that I ran in 5cubes (****** prefab box) and it was loud..Allbeit that I built a custom 4.2cubes @32hz for a single 15 and it was just as loud so I'm in the middle of building a box that literally has the same dimensions and is a tad under 7 cubes...

But for 1 15" Kicker L5, 6 cubes is wayy too much I'd def go down the route of throwin em both in you already have them both so why not..

Only other problem I can think of is if their both D2's you'd either have a 2ohm or .5ohm starting load so dont cheap out on the amp and get something that can run at .5ohm daily without clipping and get those subs the watts they need

kushy_dreams
01-03-2012, 06:09 PM
You dont have the room for those 15s ported unless you seal off the trunk and fire forward with limited port area and a box that takes up the whole trunk.

kickersubs4life
01-03-2012, 06:38 PM
sacsking916- they are 2008s


Jdubbs04ss- I want to try to run both of them I just need to figure out a box plan that will fit in my trunk. I already have the Kenwood X1200M amp that I was going to run them down to one ohm @ 2400 watts

DoesDad
01-03-2012, 06:44 PM
Dude that's a decent amp and everything but it's only 1200 rms @ 1 ohm. You'd only be giving em' 600 a piece. They're rated at 750 aren't they? I guess it's okay. You can underpower them. Won't sound as good IMO.

kushy_dreams
01-03-2012, 06:51 PM
Kenwood amps only do rated power at 4 ohms fyi

DoesDad
01-03-2012, 06:56 PM
So the watts Kenwood says at 2 ohms and 1 ohm is generally higher or lower than they say?

pro-rabbit
01-03-2012, 06:58 PM
Both will not fit in an optimum enclosure.

That Kenwood amp is ok at best. 1200ish watts.

DoesDad
01-03-2012, 07:07 PM
Well Kickersubs4life, maybe it's time to trade that Cirrus in for an SUV. lol!

hispls
01-03-2012, 07:59 PM
Well Kickersubs4life, maybe it's time to trade that Cirrus in for an SUV. lol!

This....

What people don't consider is that a 15" square woofer is same cone area as 18" round. Would say minimum 5cube net per for any half decent performance.

slvrado28z
01-03-2012, 08:26 PM
kickers need big boxes imo

pro-rabbit
01-03-2012, 08:27 PM
kickers need big boxes imo

That is not an opinion. That is just what they need/want for optimal performance.

sacsking916
01-03-2012, 08:27 PM
This....

What people don't consider is that a 15" square woofer is same cone area as 18" round. Would say minimum 5cube net per for any half decent performance.

these ones only call for 3.5-5 cubes. i wouldnt give it 5 cubes myself, but i would definitely look into the 4 cube range per.

Buck
01-03-2012, 08:31 PM
Those woofers like their airspace. You could try 1, or go sealed. Those kickers will play fine in sealed.

Buck
01-03-2012, 08:34 PM
kickers need big boxes imo


That is not an opinion. That is just what they need/want for optimal performance.

You have no opinion :fyi:

slvrado28z
01-03-2012, 08:43 PM
You have no opinion :fyi:

lmao i could care less buddy :fyi:

sacsking916
01-03-2012, 09:13 PM
lmao i could care less buddy :fyi:

umadbro

kickersubs4life
01-04-2012, 10:49 AM
I think I am just gonna build a decent vented box for one of the 15s for the lows and trade my cousin one of my 15s for his 2 12 in kicker solo classics in a sealed box so I will have the highs and lows. At this point I don't think I'm going to fit both 15's in my trunk and I don't wanna have to give up my back seat for a wall for them either.

DoesDad
01-04-2012, 11:08 AM
Those solos are great subs by the way. Had a couple 10's in a tiny little box in my wifes trunk for awhile. Nice and punchy and hit every note. I know some people hate on Kicker but if you get em' cheap enough they're good durable subs... Good luck!

kickersubs4life
01-04-2012, 11:14 AM
Yeah that's all I have ever owned is Kicker. I stuck with L7s for the longest time but I got a good price on these 15's so i bought the pair. It was either 2 15 in L5's or 2 15 in Memphis C3s. When it came down to it i picked Kicker over Memphis because they were cheaper and I'm hooked on Kicker. So if I stick with my 1 15 and I get the 2 12's I should be set don't you guys think? Instead of getting a headache trying to fit these 15's in my trunk?