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Thread: 2231A with 2225 cone kit

  1. #1
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    2231A with 2225 cone kit

    Hello

    I am a newbie in the JBL world

    I bought a DIY 4331 with this elements :

    2231A
    2420
    2307
    2308
    3110

    I would like to know if it is a normal set for a 4331 and is the 2231 recone in 2225 a good idea.

    Here are some photos :

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  2. #2
    Senior Member martin2395's Avatar
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    No, it's not a good idea at all to put a 2225 in the 4331.

    It even looks like an aftermarket recone to me, if it's a fake then the best use for it is throwing it straight to the dustbin or sell it and buy genuine 2231/2234/2235H.
    I do not want to sound rude but all of those aftermaket chinese recones I've seen were dramatically bad.

    The 3110 crossover is correct but the horn is not, the 4331 should have the longer 2312. The 2307 is found in the 434x systems.

    You might want to check the condition of the diaphragms on the 2420 drivers, if they are aftermarket/damaged then I'd seriously start thinking about returning these DIY 4331 back to where they came from,
    unless you paid like €200-300 for them and the cabs are built to JBL spec.

  3. #3
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    OK, I understand but I can have the whole for 600 euros so I think i could find a good cone kit .
    In France it is very hard to find good JBL speakers

  4. #4
    Senior Member martin2395's Avatar
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    Do you have more pictures of the 'boxes' and the inside of the 2420 drivers?

    I know it's almost impossible to find good JBL gear in western Europe but paying €600 for a pile of old, damaged metal isn't the best idea too
    Sometimes the best (and only) way to get good 223x woofers is to buy 2 broken chassis (~€50) and simply put a new C8R2235 recone in them which are around €220 each.

    The diaphragms in the drivers are easily replacable with Radian (have good experience with these) which are much cheaper than genuine JBL and still sound decent.
    But if there is rust inside the drivers - they are scrap metal.

    For example - I sold a perfect pair of 2421B drivers with 2307 horns for €250 last year, if the cones in the woofers are aftermarket they aren't worth more than €100.
    The filters are also only collector items, maybe €75?
    You do the maths ;D

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    It is the only photo I got of the cabinet it's a DIY .

    Do you know if it's expensive to recone the 2231 ?

  6. #6
    Senior Member martin2395's Avatar
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    Please look at my previous post, I edited it and added some more info.

    To be honest they look like another pair of disco-beaters they also miss the 2308 lenses which are very hard to find.
    You would probably have to pay $130+shipping costs and buy Kenrick sound 2308 from Japan.

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    There is a pair of 2308 included. I will go tomorrow to listen to them.
    I will offer 500 euros for the whole.

    I plan to build 4331 cabinet

    Concerning the crossover if i understand the 3110 is connected to each speakers. Usually isn't there a 3131 inside the cabinet .

    Thanks for your help

  8. #8
    Senior Member martin2395's Avatar
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    Also by the way, the cabinet on the photo you showed is a 4320 cabinet.
    If they have the 3110 on the back then there is no additional network inside the cab.

    +++
    If you want to use them in 2-way (2231+2420) you can also use an active crossover like a Behringer DCX2496.

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    OK, so what is the difference between a 4331 2 voices 2231/2420 that come with 3131 and the same speakers with a 3110 ?

  10. #10
    Senior Member Lee in Montreal's Avatar
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    2 questions.

    - Shouldn't a 2231a have a foam suspension, not an accordeon one?
    - Would that cabinet posted above be like a home-made version of an L200?



    Also, it would be a waste of money to recone the 2231a basket into a 2225. For the same price, it can be reconed into a 2235 which would be more enjoyable for home duty.

    Overall, 600 Euros is way too much for a cab that will most likley be junked, for 15" baskets needing a recone, and considering the previous mess, I suspect even the compressors will need decent diaphragms. As for the horns, they are not the most desirable and are missing the expensive slants. Either walk away, or offer a low amount of money for parts that will collect dust in your basement.

    Just my two centimes...

    Lee

  11. #11
    Administrator Mr. Widget's Avatar
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    Quote Originally Posted by Lee in Montreal View Post
    2 questions.

    - Shouldn't a 2231a have a foam suspension, not an accordeon one?
    - Would that cabinet posted above be like a home-made version of an L200?
    Lee, I don't think you read the first post.

    To ophidite: The 3110 network is a network that JBL sold separately and is not exactly the equivalent to the 3131 network or the subsequent variants that were more sophisticated and better sounding.

    I do think you're on the right track about going and listening to the speakers… I would listen very carefully as I expect the speakers have been played hard and are far from a beautiful mint pair of 4331s. However for the right price they may get you into the game allowing you to build a speaker you'll really enjoy.


    Widget

  12. #12
    Senior Member Lee in Montreal's Avatar
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    Quote Originally Posted by Mr. Widget View Post
    Lee, I don't think you read the first post.

    To ophidite: The 3110 network is a network that JBL sold separately and is not exactly the equivalent to the 3131 network or the subsequent variants that were more sophisticated and better sounding.

    I do think you're on the right track about going and listening to the speakers… I would listen very carefully as I expect the speakers have been played hard and are far from a beautiful mint pair of 4331s. However for the right price they may get you into the game allowing you to build a speaker you'll really enjoy.


    Widget
    "I would like to know if it is a normal set for a 4331 and is the 2231 recone in 2225 a good idea"

    I think I replied accurately. Wrong woofer. Wrong recone. Homemade repros of "something". Not worth the sum of the parts. ;-)

  13. #13
    Administrator Mr. Widget's Avatar
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    Quote Originally Posted by Lee in Montreal View Post
    I think I replied accurately. Wrong woofer. Wrong recone. Homemade repros of "something". Not worth the sum of the parts. ;-)
    My confusion... I took it to be suggesting to not recone with 2225 kits. Ultimately we are in screaming agreement.


    Widget

  14. #14
    Senior Member Lee in Montreal's Avatar
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    Quote Originally Posted by Mr. Widget View Post
    My confusion... I took it to be suggesting to not recone with 2225 kits. Ultimately we are in screaming agreement.


    Widget
    Well. If the goal is to emulate a 4331, then indeed perhaps the 2225 is the wrong choice, hence my suggestion to go for a 2234/2235 recone, which will be the same price. Also, the 4331 is a 3-way, right? So, the OP will still be missing a 2405. I understand the rarity of JBL stuff in Europe, but I think that if it were in North America, the components would be considered as simple core. Pair of woofer baskets ($70.00), pair of horns ($60.00), pair of compressors with unknown diaphragms and in unknown condition ($100 if not rusted). Cab goes to garbage. ;-)

    Lee

  15. #15
    Senior Member grumpy's Avatar
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    You are thinking of the 4333. The shorter horn may be fine for 4331 also.

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