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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 09:01 PM
    • Replies: 9
    • Views: 3,392
    08-22-2019, 08:50 PM Go to last post
  2. Sticky Thread Sticky: 4340 & 4341 references thread

    Started by hjames, 05-11-2007 05:40 PM
    2 Pages
    1 2
    • Replies: 16
    • Views: 36,162
    06-11-2016, 01:00 PM Go to last post
  3. Post Sticky Thread Sticky: Stock Altec/JBL Physical Enclosure Information

    Started by 4313B, 09-11-2004 12:56 PM
    4 Pages
    1 2 3 4
    • Replies: 51
    • Views: 111,969
    06-24-2015, 10:05 AM Go to last post
  4. Sticky Thread Sticky: 4343 References Thread

    Started by hjames, 05-30-2007 06:01 PM
    2 Pages
    1 2
    • Replies: 15
    • Views: 58,215
    10-31-2012, 12:35 AM Go to last post
  5. Thumbs up Sticky Thread Sticky: JBL Technical Information - Links

    Started by boputnam, 02-06-2008 01:34 AM
    • Replies: 1
    • Views: 27,402
    08-05-2008, 07:54 AM Go to last post
  6. Sticky Thread Sticky: READ ME - Forum Rules

    Started by Don McRitchie, 06-28-2004 08:27 AM
    • Replies: 2
    • Views: 23,564
    10-20-2006, 03:48 AM Go to last post
  1. JBL L200 woofer removal

    Started by tinpan, 08-29-2019 03:17 PM
    • Replies: 5
    • Views: 734
    09-07-2019, 10:56 AM Go to last post
    • Replies: 7
    • Views: 2,159
    09-06-2019, 01:36 AM Go to last post
  2. Please help with 128H's in L150A's. :)

    Started by DerekTheGreat, 07-12-2019 06:29 AM
    7 Pages
    1 2 3 4 5 ... 7
    • Replies: 103
    • Views: 9,747
    08-30-2019, 07:28 AM Go to last post
    • Replies: 1
    • Views: 515
    08-24-2019, 06:01 PM Go to last post
  3. How to determine proper JBL polarity

    Started by Eric M., 08-20-2019 03:52 PM
    2 Pages
    1 2
    • Replies: 17
    • Views: 2,374
    08-23-2019, 03:18 PM Go to last post
  4. is it a 2123H or J

    Started by kartsmart, 08-18-2019 07:52 AM
    • Replies: 6
    • Views: 1,330
    08-23-2019, 07:27 AM Go to last post
  5. Jbl 4429 and MAC6700

    Started by NEWYORKER, 08-21-2019 08:45 PM
    • Replies: 3
    • Views: 882
    08-22-2019, 08:33 PM Go to last post
  6. JBL 4311B Control Monitor Polarity Confusion

    Started by Thrifty HiFi, 05-29-2019 08:23 PM
    2 Pages
    1 2
    • Replies: 20
    • Views: 3,110
    08-20-2019, 07:53 PM Go to last post
  7. Question JBL L-45 Flair (S4 Loaded)

    Started by Steve w/cheeks, 08-21-2012 06:32 AM
    • Replies: 2
    • Views: 4,847
    08-18-2019, 07:43 AM Go to last post
  8. 5234A card identification

    Started by quindecima, 08-13-2019 07:44 PM
    • Replies: 2
    • Views: 539
    08-16-2019, 05:01 PM Go to last post
  9. Poll Poll: More Help with L150A's: Tweeter & Crossover Swap Advice Wanted

    Started by DerekTheGreat, 08-02-2019 04:32 AM
    2 Pages
    1 2
    • Replies: 23
    • Views: 1,962
    08-12-2019, 05:16 AM Go to last post
  10. Replace throat 2440 / 2441 in this way?

    Started by Richard Long, 08-05-2019 05:17 AM
    throat 2441 replace
    • Replies: 2
    • Views: 606
    08-10-2019, 04:42 AM Go to last post
  11. JBL 123A-1 recone

    Started by bobcoaudio, 08-08-2019 11:34 AM
    • Replies: 1
    • Views: 462
    08-08-2019, 11:48 AM Go to last post
  12. Ethyl Merman Crossover Schematic

    Started by toddalin, 05-01-2019 06:09 PM
    • Replies: 12
    • Views: 1,812
    08-05-2019, 11:53 PM Go to last post
  13. DR8044TI Diaphragm NOS

    Started by robertg, 07-31-2019 03:43 PM
    • Replies: 3
    • Views: 650
    08-01-2019, 09:58 PM Go to last post
  14. Dust Cap in or Out?

    Started by mbd7, 06-12-2006 07:52 PM
    2 Pages
    1 2
    • Replies: 15
    • Views: 9,301
    08-01-2019, 05:07 AM Go to last post
  15. JBL L212 LPAD help

    Started by dj7675, 07-28-2019 08:26 AM
    • Replies: 3
    • Views: 631
    07-28-2019, 09:21 AM Go to last post
  16. Do I need to replace a diaphragm?

    Started by Bozo73, 07-26-2019 07:21 AM
    • Replies: 3
    • Views: 666
    07-26-2019, 05:11 PM Go to last post
  17. 4343 crossover modifications

    Started by jeph, 12-22-2003 08:02 AM
    35 Pages
    1 2 3 4 5 ... 35
    • Replies: 514
    • Views: 213,256
    07-25-2019, 09:36 PM Go to last post
  18. Replacement diaphragm options for 2425J

    Started by BMWCCA, 07-21-2019 07:20 AM
    • Replies: 12
    • Views: 1,399
    07-22-2019, 06:05 PM Go to last post
  19. Building a speaker system from bottom up

    Started by mortron, 06-26-2019 10:44 AM
    • Replies: 12
    • Views: 1,685
    07-20-2019, 03:43 PM Go to last post
    • Replies: 8
    • Views: 1,207
    07-20-2019, 06:57 AM Go to last post
  20. Altec Malibu's In The House !

    Started by Malibu, 07-07-2019 05:54 PM
    • Replies: 12
    • Views: 1,498
    07-13-2019, 06:03 PM Go to last post
  21. D8r435al-1

    Started by rdgrimes, 07-11-2019 05:48 AM
    • Replies: 4
    • Views: 660
    07-11-2019, 10:06 AM Go to last post
  22. Altec N3000-E repair help

    Started by Drugolf, 06-30-2019 12:57 PM
    • Replies: 2
    • Views: 633
    07-09-2019, 08:35 AM Go to last post

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