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Thread: F/S: JL 12w7 Subwoofer with box!!! Pictures inside

  1. #1
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    F/S: JL 12w7 Subwoofer with box!!! Pictures inside

    Hello everyone. I am going to be selling my car in a few weeks and will be saving for a mazda miata, I plan on buying it with 100% my own money so I need to start saving. I will not have a car for a few months while I am saving, so I am going to sell all my car stereo parts. I have an entire system if you are interested, I am willing to sell it all for a discount or part, its top notch and includes brands such as JL, CDT, Eclipse, US amps, Phoenix Gold, KunKoncepts, MTX, and more. I will list them for sale in a few days.

    More on the subwoofer, it’s a JL 12 inch w7 sub version 3, better known as 12w7v3. Its one of the best subs ever made, and the best sub ever made from a major company for the consumer. I have been in car audio for many years and will be pursuing into owning my own shop in a few years, just to show I don’t fool around with car audio. This sub has more patents than any other piece of car audio I have owned and truly a work of art, its quality is unmatched and its performance is unheard-of, get it, lol.

    On a more serious note, this sub is a few months old. It was purchased from a car audio shop in Sacramento, California which is a JL authorized dealer. They built the box for me by JL standards at 1.375 cuft sealed. I choose sealed because this sub hits around 143db on a TL sealed which is more than enough so I dident need that extra bass from a ported box. It is also a clean sub that delivers nothing but smooth punchy bass but keeps up with the “lows” on the larger diameter subs. Basically it will satisfy all your music types and needs. The sub is installed in a 95 Mercedes c220 and has never left its spot. I don’t use the trunk at all and the sub never had contact with outside objects that could damage it.

    The box is built to JL specs of 1.375cuft for a sealed box. Its 1” mdf all around, which is more than needed but used for extra bracing. The power wire is Kunkoncepts 8g wire for each positive and negative. The box is carpeted with black and grey carpet in a 2 tone scheme, to match the trunk and sub. The box is in perfect shape and 12 JL screws are used to hold the sub down.

    As you can see in the picture, the sub is in perfect condition. Everything from the magnet to the cone is pristine and never damage, dented, abused, anything of that nature. The voice coil and spider are also in perfect shape. I take care of my stuff and make sure its treated better than I am, hehe. Sadly its true.

    The sub takes 1000wrms, but many have given it more and the sub will take it. Me on the other hand fed the sub ~800-900wrms at 3ohms from a US Amps de-1000, one of the best monoblock amps on the market and hand made in the US. JL makes very efficient subs so even 500wrms would make this sub wang.

    Below are reviews, pictures and specs of the sub, as well as contact info. I have sold many items on several forums, eBay, paypal verified, and have excellent feedback, all are positive and I treat my customers well. Item can be shipped or picked up local, I have no problem with either. If shipped, I will make sure to box it more than a few times and pack it well, I never seem to have a problem with packing well. I also have many other pictures of the sub, and can take more. It’s currently sitting in my room waiting to be sold, and kept in a sealed box for protection. I need to save for my car so I am asking $399 for the sub and box plus shipping. I guarantee this item to work flawlessly and not DOA.


    Specs of the 12w7

    Reviews of 12w7

    Technology put into the 12w7


    Some of my feedback-

    Feedback 1


    Pictures- The last one is the sub compaired to a 12w3, notice the size diffrence.




  2. #2
    Raw Wave kickercivic1's Avatar
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    what amp u push this with?

  3. #3
    Constant Bitrate
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    The sub takes 1000wrms, but many have given it more and the sub will take it. Me on the other hand fed the sub ~800-900wrms at 3ohms from a US Amps de-1000, one of the best monoblock amps on the market and hand made in the US. JL makes very efficient subs so even 500wrms would make this sub wang.
    Its a US Amps de-1000. I think they are the best amps ever made, anyone know knows high end car audio has heard of us amps. It pushes ~1500wrms at 1ohm at real world voltage, not like Billy Bobs kicker which is tested at 14.4v. All w7 subs are 3ohm, therefor this amp gave the sub about ~800-900wrms, well under its suggested limit and extreamly under what the w7 is usally pushed at and can handle.

    I am selling the amp in a few days, if you are interested shoot me a pm and I can give you more info and pictures. Thanks

  4. #4
    Banned xdjxklusivex's Avatar
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    neema i think u shud just give this stuff to mee lol

  5. #5
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    http://www.speedsound.com/caraudio.a...ific=jnirnmdng
    Wow, never spent that much on an amp before.
    And this sub is freakin awesome, no money this week though.

  6. #6
    Maximum Bitrate jusatry's Avatar
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    bump for a hot system....I had a 12W7, 10W7 and a 12W6V2 (all built with the floating cone), and they all ****in rock...JL makes great subs, no doubt about it!

  7. #7
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    I put this up locally and am getting some nibbles. I will be adding more stuff as time progresses so keep and eye out. If you want a few items the I can cut you a deal. let me know. Thanks

  8. #8
    FLAC
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    Quick question.....DO you think that 1 12w7 would hit harder on a 1000/1 then 2 12" Kicker L7's on a Memphis belle rated at 1000w at 1ohm?


    I am thinking about doing the switch cuz my subs are taking up too much room in my trunk so maybe if i just get 1 12w7 it mite sound better and louder.....
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  9. #9
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    Well, both amps are nice, a JL amp can do 1-4ohm the same wattage, whereas the memphis will not, its 4ohm ratings are lower then the 1ohm. But I like both amps, but the JL is a solid 1000wrms, rms is true rating which is difficult to find in car audio, the memphis may do a bit under 1000wrms, got a link?

    About the subs, its all up to the box. Either ported, sealed, ABC, snailshell, TL, any type of box the w7 will be cleaner than the kickers. If the box is ported correctly the w7 will be louder but the kickers in the right box will also scream, something around 4cuft at a low freq is best for the kickers. The w7 would need about 2.5cuft and be as loud if not louder. But in the end of the day the 12w7 will always sound better, sometimes its not always about who is louder. In the end of the day, as with any sub in the world, its all in the box. A prefrab will get you nowhere. Hope this helps.

  10. #10
    FLAC
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    How does the w7 sound in your box?
    2002 Mitsubishi Galant
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