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  1. Replies
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    I suggest you to check the dc resistance at voice...

    I suggest you to check the dc resistance at voice coil exit before proceeding, the repair is not difficult, it could be easly done if you have little manual skills, sure is much easyier than removing...
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    1,277

    Did you get the 9 ohms on both or only the LE15A?

    Did you get the 9 ohms on both or only the LE15A?
  3. Replies
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    For the open LE15B it could be the lead wires...

    For the open LE15B it could be the lead wires from cone to binding posts, check direct on the cone at coil exit.
    If you are lucky is possible to repair, had the same issue years ago on a beyma.
    At...
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    16,419

    Nice job, they look beautifull!:bouncy:

    Nice job, they look beautifull!:bouncy:
  5. Replies
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    10,374

    Just my opinion, to be in Europe 2000€ is a very...

    Just my opinion, to be in Europe 2000€ is a very good price, but it suonds strange to me that the seller accept to receive the second half of the payment after you receive the speakers, be sure that...
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    The boards 81982

    The boards

    81982
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    Those look very nice! But I don't see any reason...

    Those look very nice! But I don't see any reason to change the woofer and the driver in the actual system, just want to biamp it in the correct way.
    By the way this is the xover schematic of my...
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    4344 "like" Biamping

    Hello all,
    I know this is an old thread , but I was serching for info about bi amping a four ways studio monitor, and this seems to be the most recent one.
    I built a 4344 “like” based on the...
  9. Replies
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    Yes, I mean 2402/4/5H; thx for the answer!

    Yes, I mean 2402/4/5H; thx for the answer!
  10. Replies
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    THX for the info! I also need two "tires" for the...

    THX for the info! I also need two "tires" for the 240X, can you tell me where I can check? THX and Bye!
  11. Replies
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    Thanks for your opinion! Did you try different...

    Thanks for your opinion! Did you try different diaphragms? (2450, 2452 SL, or others...).
    In case I have two 077 in perfect condition that I can add, but first I want to try two ways only. The...
  12. Replies
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    Yes the middle picture has no original screws and...

    Yes the middle picture has no original screws and washers, but the diaphragm is the same, it does have the sticker on the top, look better at the picture.
    I will investigate about the different...
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    Ops, right, they are 2445J! Not H, THX for the...

    Ops, right, they are 2445J! Not H, THX for the answer!
  14. Replies
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    2445H diaphragm

    Hello, I recently bought three 2445 drivers for a good price, (I hope!), can somebody of you experts tell me if the diaphragms are original?
    One more question, of course the internal foam need to be...
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    THX for the info! Did you try any tube xover?

    THX for the info! Did you try any tube xover?
  16. Replies
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    hi end anlogue xover

    I built a 4344 "like" clones and I drive them active using two pass aleph 2 mono blocks on the top, can you tell us more about your xover design? Thanks!
  17. Replies
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    They were very common in Italy in the 80s, me and...

    They were very common in Italy in the 80s, me and my brother built two units at that time, that we still have, (look at my avatar), we had the drawings from the official JBL distributor and use two...
  18. le15b recone kit from sound speaker repair

    For anyone interested, received two kits this week, first thing I noticed is the external cloth surround is glued on the front of the cone, took a couple of measurements on the dimension of voice...
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    077 was the home version of 2405, used for...

    077 was the home version of 2405, used for example in jubal and L300, both are alnico, but the 077 have blue diaphragm. 2405H is the ferrite version of 2405. I have both, (077 and 2405H) they measure...
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    Back color

    Hello everybody, short question about 4344 and other 43XX monitors since my carpenter is near to complete the job, the correct finishing of the back of the speaker is black paint, right?
    THX...
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    2123h

    2123h
  22. Replies
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    Very interesting thread! I am building the same...

    Very interesting thread! I am building the same amplifier, can somebody tell me how to select the transistors?
    THX!
    Giuliano
  23. Thread: 2215B recone

    by ompdiburi
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    1,248

    Thx for your reply, I didn't see the kit, but it...

    Thx for your reply, I didn't see the kit, but it should be as you say with accordian surrounds, not foam, and this is what I want. For what I remember LE15 and 2215 use the same motor and frame, so...
  24. Thread: 2215B recone

    by ompdiburi
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    1,248

    2215B recone

    I have a 2215B basket to be reconed, does C8RLE15B recone fit it? If I remember correctly 2215 is the pro version of LE15, so they have the same structure, is it right? Thx and best regards.
    ...
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    2215A reconing job

    Hello JBL experts!
    I would like to submit at your attention this reconing job made by italian technician, he worked in the past in an autorized JBL reconing center, I supplied him the baskets and...
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