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JL Audio W7 Foam Tear

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SR
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Postby SR » December 9th, 2009, 12:45 pm

can i collect the money for all the wrong answers

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southside connections
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Postby southside connections » December 9th, 2009, 12:46 pm

so besides u, who again? shameer ent?

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SR
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Postby SR » December 9th, 2009, 12:48 pm

Sully
Fuzz aka PEDRO and he really did have the tshirt too
and myself a couple of times



i keep telling you guys to make the sbn trip

the connections you will make will be more than worht it
the technical people you get to meet and disucssions you can have as wll as up close inspections on installs beat any discussion with pics on any forum

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Postby pimptacular » December 9th, 2009, 12:55 pm

roger wrote:
pimptacular wrote:and do u know better than the engineers at jl audio? i have a w7 going strong as ever after 2 years.. and the surround strong as ever, if it was a design flaw wouldnt it give out already or show signs of your so called "design flaw"?



pimptacular...why alyuh does get orn like alyuh know it all??

you have much to learn young one!!


i know i have much to learn and hence the forum..i stood corrected when gave me his views and didnt argue..i was speaking from my experience with the JL woofer and i also learned off the forum is that alot of people are always quick to blame equipment an say somthing wrong with it, when truely the flaw could be with the install

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SR
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Postby SR » December 9th, 2009, 1:00 pm

southside call me asap

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fuzz_174
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Postby fuzz_174 » December 9th, 2009, 1:21 pm

I have some pics of the JL Audio facility from our visit in march. I'll post up some when i reach home later..
Their quality control checks are amazing, each subwoofer is inspected and tested individually before packaged.

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Brian Steele
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Postby Brian Steele » December 9th, 2009, 2:09 pm

SR wrote::mrgreen:


xfactor
it comes down to overall cost

neo magnets are much more expensive than standard


1. The Infinity 122.7W, a neo-magnet 12" subwoofer, was available from SonicElectronix for $99. That's pretty cheap for a decent 12" sub.

2. Shipping on a 5~12Lb sub is going to be a LOT less than shipping for a 50~100Lb sub.

3. Neo-magnet subs are already in use in the pro-audio industry - where portability is also important, but showing off big magnet structures isn't ;)

Finally, hear it from one of the guys in the business: "Note that for most people in the car audio market, light weight doesn't necessarily sell to the masses! Bigger must be better is the concept for 99% of car audio buyers, and those who have a more discriminating taste are usually quite fickle." - Dan Wiggins.

See URL for discussion: http://www.diymobileaudio.com/forum/diy ... ers-2.html

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Chiney
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Postby Chiney » December 9th, 2009, 2:22 pm

SR wrote:sigh sad sad thing


ip trace says grenada :mrgreen:


sooo
back to jl audio

there are only 4 people locally that can attest to JL audio's subwoofer manufacturing process


3 are on this forum


u mean 4 ppl u know of...

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Brian Steele
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Postby Brian Steele » December 9th, 2009, 2:26 pm

SR wrote:there are only 4 people locally that can attest to JL audio's subwoofer manufacturing process


JL's Manville Smith of is a somewhat regular poster on the diymobileaudio.com forums. If surround tear on the W7s is a common occurrence, perhaps it could be raised with him there. Who knows - maybe it can't stand up to Trini-heat :). It might be a good idea to collect some data beforehand from all local W7 owners possible, e.g. Model, S/N, Purchase Date, Is the surround torn, and if so, the date it became noticeable, first to confirm if it IS actually a common problem, and then see if there are any commonalities.

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SR
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Postby SR » December 9th, 2009, 2:34 pm

ft lauderdale cant compare to trini heat

but dont rule out the abuse locally

i have seen it personally where people boast about how much power thier sub "handles"


"peak power" for some means daily driven power


serial number on the sub will determine date of manufacturing as well as dealer it was purchased at

it can also determine if there was a bad batch of surrounds based on returns if any to jl

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Brian Steele
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Postby Brian Steele » December 9th, 2009, 2:52 pm

SR wrote:"peak power" for some means daily driven power


LOL - true. There's some of those characters here too :).

The original poster did say that he did not abuse his W7 though, and I'm giving him the benefit of the doubt.

Could be an install thing too - the installation process for a W7 IS a bit different to most other subs. I wouldn't expect it to take over 2 years for a problem caused by an install error to show up though.

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viking1705
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Postby viking1705 » December 9th, 2009, 5:44 pm

^^thats what i meant when i said the guy has been usin it for 2yrs i dont tink a install problem can cause this all of a sudden.is it possible that the heat in the trunk of a car can deteriorate the strength of the foam surround?dont kno jus askin.

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Postby Audiotec20 » December 9th, 2009, 8:25 pm

hey pal i can try and see if i can repair it for you give me a call #7481755 chris

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Postby 323fsport » December 10th, 2009, 9:02 am

Brian Steele wrote:
SR wrote:"peak power" for some means daily driven power


LOL - true. There's some of those characters here too :).

The original poster did say that he did not abuse his W7 though, and I'm giving him the benefit of the doubt.

Could be an install thing too - the installation process for a W7 IS a bit different to most other subs. I wouldn't expect it to take over 2 years for a problem caused by an install error to show up though.


Explain what you mean by the install process? I purchased the CLS110RG-W7 Pro Wedge. Followed the instructions which accompanied the wedge and the JL 500/1v2 amp regarding attenuation and voltage testing as i paid too much money to loose the sub to an improper install.

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323fsport
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Postby 323fsport » December 10th, 2009, 9:04 am

viking1705 wrote:^^thats what i meant when i said the guy has been usin it for 2yrs i dont tink a install problem can cause this all of a sudden.is it possible that the heat in the trunk of a car can deteriorate the strength of the foam surround?dont kno jus askin.


I'm starting to lean toward the heat being a problem... it is plausible to think that the heat would have an impact on the foam... wish i recognized that much earlier....

is there something that can be used to maintain the foam in that matter?

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viking1705
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Postby viking1705 » December 11th, 2009, 10:58 am

tru..but i dont tink the man wud hav water leaking on his expensive equipment like that..lol..it can jus be the heat deteriorating the strength of the foam after a while.

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Re: JL Audio W7 Foam Tear

Postby jusjase44 » November 24th, 2011, 1:02 am

anything new on this?

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Re: JL Audio W7 Foam Tear

Postby jusjase44 » April 22nd, 2012, 2:49 am

KP has W7 surrounds

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Re: JL Audio W7 Foam Tear

Postby meccalli » April 22nd, 2012, 6:29 am

That's a shame, w7's are supposed to be designed for the car environment with huge excursion capabilities albeit on a KW of power, jl has had issues with w6v2's, w7's and a bunch of w3v3's with suspension issues. I think, even if abused, the driver should fail thermally before anything happens to the suspension. That's the case in drivers in adire's shivas, keep feeding power- stop getting louder, doesn't bottom,barely distorts till the coil just gives out..and then you can just recone it yourself :/...but of course they're different beasts.

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Re: JL Audio W7 Foam Tear

Postby SQ Audio » April 22nd, 2012, 9:17 pm

i have had the same problem with two 10 w7s. I think its not made to last long in Trinidad's environment. But they hit hard and sound great. I have had one done over with an atomic suspension and its working well up to today after about a year with a 500/1 on it. Try it out and see as you might not have much options.

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Re: JL Audio W7 Foam Tear

Postby jusjase44 » April 22nd, 2012, 9:58 pm

KP has W7 surrounds

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Re: JL Audio W7 Foam Tear

Postby blaine » May 3rd, 2012, 10:01 pm

Should have bought an IDMax instead... :mrgreen:

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Re: JL Audio W7 Foam Tear

Postby jusjase44 » May 3rd, 2012, 10:39 pm

well you can get them repaired now

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Re: JL Audio W7 Foam Tear

Postby pioneer » May 13th, 2012, 4:42 pm

Yeh KP has parts for them now, saw tons of em being repaired by him some weeks back

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