so i just acquired these for 60 usd. both drivers have cones that are partially eaten by rats. surrounds have gone bad too. so my question is it ok to just to patch up what is missing? will there be significant effects on the performance/behavior of the drivers. im considering recone kits too but its a bit expensive for me to dive in since into i have no experience with these drivers before and i may not like the way they sound after all. thanks in advance 🙂
Last edited:
Your image links do not work...🙁
eaten by rats...catch the rats..skin them...use the skins for recone.
eaten by rats...catch the rats..skin them...use the skins for recone.
Very expensive. Last time I looked, the genuine kits were $325 USD each (in Canada). You can start thinking about other drivers at that price. Perhaps an aftermarket might be the way to go?
But you will lose that pretty white cone and maybe the shiny aluminum dust cap. 
I ended up donating mine to a good cause once the surrounds were gone and the dust caps dented. Couldn't afford the kits.
I ended up donating mine to a good cause once the surrounds were gone and the dust caps dented. Couldn't afford the kits.
Attachments
Last edited:
How big are those cones?
Not more than $20 here...unless very big.
Including labor.
Shipping you have to see.
Not more than $20 here...unless very big.
Including labor.
Shipping you have to see.
Naresh, it´s an original J-B-L 🙂
You can´t recone it with car/home theater speaker level quality parts nor replace "just the cone".
This is a full range speaker and uses , among other components, an edgewound aluminum ribbon voice coil, wound on Nomex.
That alone costs about 45-50 USD ... IF you can find one.
That very light and rigid voice coil reaches real high, and the custom aluminum dome is glued straight to it, not to the paper cone, acting like an aluminum dome midrange/tweeter, very different to a standard speaker.
A standard reconer will destroy its sound by using generic parts, such as round copper winding on Kapton, or even worse, aluminum former, killing all the HF, a much heavier cone, etc.
There are aftermarket kits for it, starting around 80 USD each, and that´s a bargain, original kits cost over 300 USD as Carl says.
You can´t recone it with car/home theater speaker level quality parts nor replace "just the cone".
This is a full range speaker and uses , among other components, an edgewound aluminum ribbon voice coil, wound on Nomex.
That alone costs about 45-50 USD ... IF you can find one.
That very light and rigid voice coil reaches real high, and the custom aluminum dome is glued straight to it, not to the paper cone, acting like an aluminum dome midrange/tweeter, very different to a standard speaker.
A standard reconer will destroy its sound by using generic parts, such as round copper winding on Kapton, or even worse, aluminum former, killing all the HF, a much heavier cone, etc.
There are aftermarket kits for it, starting around 80 USD each, and that´s a bargain, original kits cost over 300 USD as Carl says.
Thanks for the enlightening information, I did not know that.
It still needs to be attached after getting the kit, that too will need some skill.
His decision as to what is best, the sound should be good, given the attention to detail and the design.
It still needs to be attached after getting the kit, that too will need some skill.
His decision as to what is best, the sound should be good, given the attention to detail and the design.
Oh yes, he´ll still need to get a reconer, unless he already knows how to, of course.
It is an expensive speaker,for decades JBL (and its sister Company: Altec Lansing) were the absolute top of the World, as far as PRO speakers go.
Both created by the same Engineer: James B Lansing.
He was obsessed with quality, cost no object, but that caused him big financial trouble and his life ended tragically. 🙁
James Bullough Lansing - Wikipedia
It is an expensive speaker,for decades JBL (and its sister Company: Altec Lansing) were the absolute top of the World, as far as PRO speakers go.
Both created by the same Engineer: James B Lansing.
He was obsessed with quality, cost no object, but that caused him big financial trouble and his life ended tragically. 🙁
James Bullough Lansing - Wikipedia
A great history of JBL, the man.
A Brief History of James B. Lansing and James B. Lansing Sound, Incorporated – Bext
A Brief History of James B. Lansing and James B. Lansing Sound, Incorporated – Bext
Probably better overall to find a current driver with similar specs since it's likely there's some modern 'replicas' available like with some other JBL drivers: http://web.archive.org/web/20200125...thiele small parameters/theile parameters.pdf
Thank you all! looks like i have to settle for these. these speakers are quite popular in Japan even Kenrick restores them so after hours of searching around the web i had the idea of translating my searches to japanese and voila! it looks the part but aluminum dustcap isnt available probably the cones dont have aquaplas(possibly lighter without it?)and i just so happened that i have an acquaintance living in Japan. i would ask if he can ship them to me =) will post an update from time to time. cheers and stay safe =) スピーカーパーツ JBL LE8T(2115)用リコーンキット アルミリボン線VC付き ノ-スウェストトレ-ディング
A friend used an aftermarket replacement surround, and the resonance frequency doubled - i.e. it was four times as stiff! The factory dome has a "special" damping foam attached on the inside. Hard to duplicate the performance without factory re-coning, which I believe includes new spiders and voice coil - and re-magnetizing if necessary.
Incidentally, they can also be reconed as 2115s - not as flat, but 3dB more efficient.
Incidentally, they can also be reconed as 2115s - not as flat, but 3dB more efficient.