Question about Jl Audio 12W7 Car Subwoofer

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Placing sub in box


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  • Anonymous May 25, 2008

    where are the drill holes ?



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Go to and go to thw w7 and get the user manual, if u cant find the manual then, take off the outside rim and then take off the the small ring that holds the sub foam down, then u have acces to the screws behind the foam.(12screws)

Posted on Feb 03, 2009

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Hi there mate. which foam are you talking about, in the box or on the actual sub? you should be able to remove either to be able to get to the drilling holes. send some photoes if you want to and i can have a further look.


Posted on Nov 14, 2007


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The power light is on but the sub not playing at is also a kicker product. A 12 inch sub all wires are in the right place a audio shop did the work for me. Can you please tell me what is going on.

Is your sub in a box? the power light is on your amp? try to connect a car speaker to the port you have the sub plugged into, if the speaker works its not your speaker terminal on your amp it's the sub. Check the wiring on the connectors of the back of the sub itself and the wire terminals inside the box (if sub in bass box)
Please let me know if this was any help and let me know if it solves your problem

Mar 05, 2011 | Kicker Car Audio & Video

1 Answer


The sub-woofer is located behind the rear panel, so you will have to pull the rear panel to be able to get to all the bolts that hold the sub and plastic type box in place. It can be a pain to remove, it has about 4-5 bolts in the box.

Aug 28, 2010 | 1998 Ford Expedition

1 Answer

I took them out of the box i have three kickers and dont want to blow them trying to run them in sereies i think

Hey well in sereies shouldnt ruin them it would give you a very high independece. what is each sub dual 2 ohm or 4 ohm? and what amp are they going to? cheek out some sites its complecated to tell you. 3 dual 4 ohm subs hooked together + to+ on a sub makes it a 2ohm sub you do it to all of them and you get between .5-1ohm something like that.

Jan 05, 2010 | Kicker CVR10 Car Subwoofer

1 Answer

Rear speaker rattles in 02 Montero Limited

That cover doesn't come off - It's screwed (4) from behind. You have to take the upper trim piece off (and handle) to remove the bottom trim piece and access the subwoofer. If your sub is like mine, the foam all the way around the sub has torn away, making it rattle. There are only 4 screws holding the sub in place, and it's sticky taped to the wall, so you may have to pry it off. Hope this helps!



Aug 29, 2009 | 2002 Mitsubishi Montero

2 Answers

I don't know where to hook up the wires running from subs

the r+ and r- are for the right sub and the l+ and l- are for the left sub

Jun 14, 2009 | Jensen LXA300 Car Audio Amplifier

1 Answer

I love bass but cant find a good enough place to get a sub box in, were would the best place be???

i just pugt a 10" sub in my 89 k1500 regular cab right behind the drivers seat, sony, pioneer and alpine all make a box that doesnt affect how far back your seat will travel

Apr 16, 2009 | 1990 Chevrolet K1500

1 Answer

Need to build a ported sub box for my alpine swr-1222d subs x 2

Try going to Alpine web site, I think they have box building program as well that you just input your sub models into and it gives you blueprints for various types of enclosures. I know Rockford has one and a comparative attachment to compare equipt specs. Or if you call Alpine headquarters you may be able to get info that way, I once sweet talked a rep @ a demo vehicle I met doing some car shows that turned me on to a senior rep @ Korbon Trading the owners of Rockford Fosgate and they gave me specs for a 5 stage band pass box for some competition subs that was more intricate and detailed than anyone before that could find me, Won me first place in spl. Matching your box specs to your subs is crucial and the best specs are often kept a secret for demo competition vehicles! So ask around with some competition guys or other top experts if your real serious about your boooom.

Mar 13, 2009 | Alpine Type-R SWR-1222D Car Subwoofer

2 Answers

Install subs on back doors on a 95 suburban

Install Dynamat. That should stop the rattling and distortion. the distortion is from the door vibrating the sound waves and messing the sound molecules up before they reach your ears. stopping the vibration should stop the distortion.

Jan 20, 2009 | Insignia 600W Bridgeable Amplifier with...

1 Answer

Sub-Zero 532 not cooling

Simple think I guess - just pull down a little a plastic fan blade on motor shift it will produce a powerful air flow. Fan blade should sit pretty close to the shift end. ;)

Los Angeles Sub-Zero refrigeration experts

Jun 11, 2008 | Sub-Zero 632 / S

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