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Forum: Lansing Product Technical Help

Questions on repairing, restoring or upgrading factory systems and components from JBL, Altec or LMCo

  1. Sticky Thread Sticky: JBL Technical Notes - LOT'S of them!!!

    Started by DogBox, 06-19-2019 08:01 PM
    • Replies: 7
    • Views: 1,069
    08-08-2019, 05:30 AM Go to last post
  2. Sticky Thread Sticky: 4340 & 4341 references thread

    Started by hjames, 05-11-2007 04:40 PM
    2 Pages
    1 2
    • Replies: 16
    • Views: 33,218
    06-11-2016, 12:00 PM Go to last post
  3. Post Sticky Thread Sticky: Stock Altec/JBL Physical Enclosure Information

    Started by 4313B, 09-11-2004 11:56 AM
    4 Pages
    1 2 3 4
    • Replies: 51
    • Views: 106,151
    06-24-2015, 09:05 AM Go to last post
  4. Sticky Thread Sticky: 4343 References Thread

    Started by hjames, 05-30-2007 05:01 PM
    2 Pages
    1 2
    • Replies: 15
    • Views: 54,268
    10-30-2012, 11:35 PM Go to last post
  5. Thumbs up Sticky Thread Sticky: JBL Technical Information - Links

    Started by boputnam, 02-06-2008 12:34 AM
    • Replies: 1
    • Views: 26,215
    08-05-2008, 06:54 AM Go to last post
  6. Sticky Thread Sticky: READ ME - Forum Rules

    Started by Don McRitchie, 06-28-2004 07:27 AM
    • Replies: 2
    • Views: 22,387
    10-20-2006, 02:48 AM Go to last post
  1. is it a 2123H or J

    Started by kartsmart, Today 06:52 AM
    • Replies: 2
    • Views: 43
    Today, 08:26 AM Go to last post
  2. Question JBL L-45 Flair (S4 Loaded)

    Started by Steve w/cheeks, 08-21-2012 05:32 AM
    • Replies: 2
    • Views: 4,283
    Today, 06:43 AM Go to last post
  3. Please help with 128H's in L150A's. :)

    Started by DerekTheGreat, 07-12-2019 05:29 AM
    6 Pages
    1 2 3 4 5 ... 6
    • Replies: 84
    • Views: 2,541
    Today, 12:10 AM Go to last post
  4. 2216 nd1’s In L300s

    Started by Bluegrassmaven, 08-13-2019 05:04 PM
    2 Pages
    1 2
    • Replies: 17
    • Views: 494
    Yesterday, 11:23 AM Go to last post
  5. 5234A card identification

    Started by quindecima, 08-13-2019 06:44 PM
    • Replies: 2
    • Views: 87
    08-16-2019, 04:01 PM Go to last post
  6. Poll Poll: More Help with L150A's: Tweeter & Crossover Swap Advice Wanted

    Started by DerekTheGreat, 08-02-2019 03:32 AM
    2 Pages
    1 2
    • Replies: 23
    • Views: 567
    08-12-2019, 04:16 AM Go to last post
  7. Replace throat 2440 / 2441 in this way?

    Started by Richard Long, 08-05-2019 04:17 AM
    throat 2441 replace
    • Replies: 2
    • Views: 184
    08-10-2019, 03:42 AM Go to last post
  8. JBL 123A-1 recone

    Started by bobcoaudio, 08-08-2019 10:34 AM
    • Replies: 1
    • Views: 81
    08-08-2019, 10:48 AM Go to last post
  9. Ethyl Merman Crossover Schematic

    Started by toddalin, 05-01-2019 05:09 PM
    • Replies: 12
    • Views: 1,035
    08-05-2019, 10:53 PM Go to last post
  10. DR8044TI Diaphragm NOS

    Started by robertg, 07-31-2019 02:43 PM
    • Replies: 3
    • Views: 164
    08-01-2019, 08:58 PM Go to last post
  11. LE15 repair/restoration

    Started by budney, 07-24-2019 10:00 AM
    2 Pages
    1 2
    • Replies: 17
    • Views: 689
    08-01-2019, 11:14 AM Go to last post
  12. Dust Cap in or Out?

    Started by mbd7, 06-12-2006 06:52 PM
    2 Pages
    1 2
    • Replies: 15
    • Views: 8,371
    08-01-2019, 04:07 AM Go to last post
  13. JBL L212 LPAD help

    Started by dj7675, 07-28-2019 07:26 AM
    • Replies: 3
    • Views: 192
    07-28-2019, 08:21 AM Go to last post
  14. Do I need to replace a diaphragm?

    Started by Bozo73, 07-26-2019 06:21 AM
    • Replies: 3
    • Views: 188
    07-26-2019, 04:11 PM Go to last post
  15. 4343 crossover modifications

    Started by jeph, 12-22-2003 07:02 AM
    35 Pages
    1 2 3 4 5 ... 35
    • Replies: 514
    • Views: 202,910
    07-25-2019, 08:36 PM Go to last post
  16. Replacement diaphragm options for 2425J

    Started by BMWCCA, 07-21-2019 06:20 AM
    • Replies: 12
    • Views: 430
    07-22-2019, 05:05 PM Go to last post
  17. Building a speaker system from bottom up

    Started by mortron, 06-26-2019 09:44 AM
    • Replies: 12
    • Views: 779
    07-20-2019, 02:43 PM Go to last post
    • Replies: 8
    • Views: 517
    07-20-2019, 05:57 AM Go to last post
  18. Altec Malibu's In The House !

    Started by Malibu, 07-07-2019 04:54 PM
    • Replies: 12
    • Views: 629
    07-13-2019, 05:03 PM Go to last post
  19. D8r435al-1

    Started by rdgrimes, 07-11-2019 04:48 AM
    • Replies: 4
    • Views: 264
    07-11-2019, 09:06 AM Go to last post
  20. Altec N3000-E repair help

    Started by Drugolf, 06-30-2019 11:57 AM
    • Replies: 2
    • Views: 276
    07-09-2019, 07:35 AM Go to last post
  21. is any difference between d2430k and d2430h?

    Started by citiscene, 04-12-2019 06:11 AM
    • Replies: 9
    • Views: 901
    07-08-2019, 07:32 AM Go to last post
  22. Altec 950-8A duplex speaker spider required.

    Started by Michon, 07-05-2019 10:58 AM
    • Replies: 4
    • Views: 320
    07-06-2019, 07:51 AM Go to last post
  23. A8 VOTT (Restoration Help)

    Started by capicva, 06-23-2019 10:36 PM
    • Replies: 5
    • Views: 620
    07-02-2019, 03:50 PM Go to last post
  24. JBL cf150 woofer

    Started by rmurazzi, 12-24-2018 02:49 AM
    • Replies: 9
    • Views: 1,224
    07-01-2019, 03:31 PM Go to last post

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