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very aggrivated...

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Old 01-07-2006, 09:25 PM
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very aggrivated...



alright, so i got my subs fri and got my amp to day and hooked only one of them up because i only have one of the amps at this time. Well i must say something must be wrong because i am dissappointed in this system. my one twelve inch solo L7 hitt harder than my ti 15". Not exactly sure why either. I know these things have way more potential than i am seeing. they are in a sealed box approxamatly 1.5 cubic feet chambers although they displace .30. I am really hoping it is the box. I know i hooked everything up right i have been doing this crap for over 10 years and am very carefull about how i hook every thing up. Does this sub look like the 15" pro or regular? If it is the pro i probably need alot more power. Any help or suggestions would be greatly appreciated.
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Old 01-07-2006, 09:37 PM
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What amp? Whats the voice coil config? What head unit? etc....details
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Old 01-07-2006, 09:40 PM
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beastly of a sub you got there...

was your kicker ported?
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Old 01-07-2006, 09:43 PM
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Stock hu, kenwood KAc 9152D Amp, Rockford fosgate PA2 preamp, stinger 1.2 farad cap. small sealed enclosure. And yes my kicker was ported.
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Old 01-07-2006, 09:44 PM
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dual 4 ohm VC's wired parrallel.
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Old 01-07-2006, 10:01 PM
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Old 01-07-2006, 11:36 PM
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one big inefficient 15 in a small sealed box will not be as loud as a 12 ported with that same amp you have. IMO i would go no lower than 1.75 gross cubes even 2 cubes per sub sealed. port that 15 for some nice spl if you crave it but you have 2 so you are fine. 1.5 cubes gross is very very small and i doubt those woofers are "small box optimized". with 2 cubes gross you get at least 1.7 which is much better. build a better box then let us know.
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Old 01-07-2006, 11:43 PM
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what slick said. put that sub in a larger box. my 15 is in a 2.0 net, and it gets plenty loud.
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Old 01-07-2006, 11:49 PM
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If you used just one of those subs with both amps, and used a ported box, I'm sure you can achieve the output that you were looking for.
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Old 01-08-2006, 12:24 AM
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what about break in?
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Old 01-08-2006, 04:48 AM
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Originally Posted by unrealii
what about break in?
Doubtful. Look at the surround on that beast! What's your excursion, like 3" with that woofer? That sub is going to be sucking for air in that tiny box. Slick's right. I bet you that sub is creating a vacuum keeping it from reaching full excursion. You're probably just warming the voice coils instead of hitting the lows! I doubt that even stuffing the box would help at this point. Aim for 2.0 - 2.5 cubes sealed (make sure to add the .3 for both your speaker). Better yet, if Eclipse gave you a spec sheet maybe someone here has some software to calculate a better box size.

Did you buy 2 of those?! You're going to suck your eyeballs out of your head! I envy you!
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Old 01-08-2006, 07:19 AM
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stuffing the box won't help with output. it just helps with the reproduction of the deeper bass frequencies.
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Old 01-08-2006, 08:38 AM
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I'm still shocked that sucker fit in 1.5 cubes...its like a fat girl stuffing into tight jeans.
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Old 01-08-2006, 08:50 AM
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Man what really sucks about this whole deal is that the sub is bigger than your whole upper body
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Old 01-08-2006, 08:54 AM
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excursion is 3.5" So polyfill wont help.
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Old 01-08-2006, 08:56 AM
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yeah start doing military presses with 1 on each hand. on a serious note, if you are using 2 of those big boys...I say use 1" MDF or 2 layers of 3/4" mdf for the next box.
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Old 01-08-2006, 10:31 AM
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Definately use a larger enclosure. I ran mine (12s) in 1.5 each. They did get plenty loud though.
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Old 01-08-2006, 12:36 PM
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alright, i stuffed the box with polyfill and it does sound alot better but i still think i need a new box...
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Old 01-08-2006, 12:45 PM
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Alright, just do it!! Then come back and tell us how amazing it sounds
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Old 01-08-2006, 01:18 PM
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i think they just had to get broken in and used to the box cause they are definatly getting louder...
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Old 01-08-2006, 02:00 PM
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try putting it in a 2.0 net box. it'll help with the low end.
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Old 01-08-2006, 02:03 PM
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Originally Posted by nismos14
Man what really sucks about this whole deal is that the sub is bigger than your whole upper body
lol!!!

YMCA shirt + $5 haircut FTL.
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Old 01-08-2006, 02:23 PM
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Originally Posted by maxmale
i think they just had to get broken in and used to the box cause they are definatly getting louder...

Eh, the sub isn't going to get USED to the box. It's not a variable.
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Old 01-08-2006, 03:00 PM
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Put those beasts in the proper enclosure .
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Old 01-08-2006, 05:36 PM
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here is a pic of the box

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Old 01-08-2006, 05:49 PM
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Those are some pertty looking subs .
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