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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: Looking for JBL " Pro Note " Vol. 1 Issue # 6 and # 7 July 1973

    Started by JBLPRO, 05-12-2022 06:58 AM
    2 Pages
    1 2
    • Replies: 25
    • Views: 5,498
    05-20-2022, 05:33 PM Go to last post
  2. Sticky Thread Sticky: READ ME - Forum Rules

    Started by Don McRitchie, 06-28-2004 07:27 AM
    • Replies: 4
    • Views: 43,919
    03-28-2021, 03:03 PM Go to last post
  3. Thumbs up Sticky Thread Sticky: JBL Technical Information - Links

    Started by boputnam, 02-06-2008 01:34 AM
    • Replies: 5
    • Views: 47,524
    03-23-2021, 02:25 PM Go to last post
  4. Sticky Thread Sticky: JBL Technical Notes - LOT'S of them!!!

    Started by DogBox, 06-19-2019 08:01 PM
    • Replies: 9
    • Views: 26,523
    08-22-2019, 07:50 PM Go to last post
  5. Sticky Thread Sticky: 4340 & 4341 references thread

    Started by hjames, 05-11-2007 04:40 PM
    2 Pages
    1 2
    • Replies: 16
    • Views: 69,714
    06-11-2016, 12:00 PM Go to last post
  6. 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: 196,895
    06-24-2015, 09:05 AM Go to last post
  7. Sticky Thread Sticky: 4343 References Thread

    Started by hjames, 05-30-2007 05:01 PM
    2 Pages
    1 2
    • Replies: 15
    • Views: 96,519
    10-30-2012, 11:35 PM Go to last post
  1. 3107 and 3141 crossover upgrade

    Started by takenodisk, 09-30-2022 02:25 PM
    • Replies: 2
    • Views: 59
    Yesterday, 11:48 AM Go to last post
  2. Questions on the resurrection of the LE175/1271-1290

    Started by BMWCCA, 09-20-2022 09:45 AM
    2 Pages
    1 2
    • Replies: 21
    • Views: 661
    09-30-2022, 09:47 PM Go to last post
  3. Finally Got the JBL 4345

    Started by Dev, 10-30-2021 04:33 AM
    3 Pages
    1 2 3
    • Replies: 39
    • Views: 8,014
    09-24-2022, 03:05 PM Go to last post
  4. Help to identify a recone kit

    Started by SilverSurfer, 09-23-2022 06:47 AM
    • Replies: 1
    • Views: 130
    09-23-2022, 08:32 AM Go to last post
  5. Question Makie a JBL 2234 with a 2225

    Started by SilverSurfer, 09-10-2022 09:58 AM
    2 Pages
    1 2
    • Replies: 19
    • Views: 743
    09-23-2022, 06:40 AM Go to last post
  6. one Altec Lansing Model 15 sounds muddier than other

    Started by clashradio, 09-08-2022 05:08 AM
    2 Pages
    1 2
    • Replies: 15
    • Views: 691
    09-18-2022, 03:17 PM Go to last post
  7. Jbl glue

    Started by davidpou, 09-09-2022 03:00 AM
    • Replies: 8
    • Views: 495
    09-15-2022, 11:20 PM Go to last post
    • Replies: 3
    • Views: 262
    09-15-2022, 07:37 PM Go to last post
  8. I Made an Air Core Autoformer for the LX5 .... and it didn't work

    Started by Eric M., 09-02-2022 07:24 PM
    2 Pages
    1 2
    • Replies: 19
    • Views: 978
    09-14-2022, 05:00 PM Go to last post
  9. Broken corners on JBL crossovers? No problem!

    Started by Eric M., 09-03-2022 11:00 PM
    • Replies: 8
    • Views: 556
    09-05-2022, 07:37 PM Go to last post
  10. 4311 drivers

    Started by Heliac, 08-19-2022 11:37 AM
    • Replies: 8
    • Views: 847
    08-21-2022, 03:14 AM Go to last post
  11. Replacement diaphragm for JBL M9500

    Started by ngccglp, 07-13-2022 05:35 AM
    • Replies: 7
    • Views: 1,334
    08-14-2022, 08:51 AM Go to last post
    • Replies: 2
    • Views: 446
    08-10-2022, 06:59 AM Go to last post
  12. 4312 Crossover Help

    Started by TerrapinBill, 08-03-2022 02:51 PM
    • Replies: 10
    • Views: 725
    08-06-2022, 12:51 PM Go to last post
    • Replies: 2
    • Views: 403
    08-05-2022, 05:29 AM Go to last post
  13. JBL K145 surround help

    Started by dcathro, 08-03-2022 10:33 AM
    • Replies: 0
    • Views: 285
    08-03-2022, 10:33 AM Go to last post
    • Replies: 6
    • Views: 983
    08-02-2022, 08:34 AM Go to last post
    • Replies: 8
    • Views: 17,650
    07-27-2022, 02:10 PM Go to last post
    • Replies: 2
    • Views: 491
    07-26-2022, 03:14 PM Go to last post
  14. Requesting advice on a JBL 4675C system

    Started by Skyhorn, 06-02-2022 07:47 PM
    • Replies: 8
    • Views: 1,480
    07-08-2022, 09:41 AM Go to last post
  15. JBL woofer refoaming question

    Started by laixl, 06-27-2022 04:03 PM
    • Replies: 11
    • Views: 1,806
    07-06-2022, 09:29 AM Go to last post
    • Replies: 0
    • Views: 644
    06-23-2022, 10:16 PM Go to last post
  16. JBl 4648TH crossover schematics

    Started by old-fashioned, 06-23-2022 02:06 PM
    • Replies: 1
    • Views: 592
    06-23-2022, 03:43 PM Go to last post
  17. Grille for 4670D's?

    Started by brandtlj, 06-23-2022 01:47 PM
    • Replies: 1
    • Views: 603
    06-23-2022, 03:36 PM Go to last post
  18. Hartsfield , need help

    Started by Westcoast, 06-23-2022 08:31 AM
    • Replies: 4
    • Views: 842
    06-23-2022, 11:39 AM Go to last post

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