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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: 9
    • Views: 6,328
    08-22-2019, 07:50 PM 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: 41,760
    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: 122,763
    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: 65,052
    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: 29,629
    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: 25,823
    10-20-2006, 02:48 AM Go to last post
  1. Replacement diaphragm options for 2425J

    Started by BMWCCA, 07-21-2019 06:20 AM
    2 Pages
    1 2
    • Replies: 20
    • Views: 3,224
    06-25-2020, 08:32 AM Go to last post
  2. Altec A7 Refurbishment Crossovers

    Started by vottnut, 06-13-2020 01:24 PM
    • Replies: 2
    • Views: 314
    06-14-2020, 12:08 PM Go to last post
  3. JBL 2122H recone question

    Started by bjh, 03-17-2020 08:18 AM
    2122h, 4345, recone
    • Replies: 9
    • Views: 1,151
    06-11-2020, 10:17 AM Go to last post
  4. L100 QUADRAFLEX FOAM GRILLE updates?

    Started by KAYERCPA, 09-22-2019 07:33 PM
    • Replies: 8
    • Views: 1,831
    06-09-2020, 05:04 PM Go to last post
  5. Question L-pad delete how to...HELP!

    Started by qcautosports, 06-03-2020 05:24 PM
    • Replies: 9
    • Views: 529
    06-07-2020, 10:53 AM Go to last post
  6. Valancia Grills

    Started by Mcline5804, 06-01-2020 08:17 PM
    • Replies: 1
    • Views: 266
    06-07-2020, 09:22 AM Go to last post
  7. Looking For More Punch From My 2245, 4345 Clone

    Started by robertg, 03-01-2020 03:38 PM
    7 Pages
    1 2 3 4 5 ... 7
    • Replies: 95
    • Views: 8,231
    06-06-2020, 05:44 PM Go to last post
  8. What is Aquaplas

    Started by tweeter, 09-15-2009 02:20 AM
    2 Pages
    1 2
    • Replies: 22
    • Views: 15,966
    06-04-2020, 01:59 AM Go to last post
  9. LE15A Needs New Surrounds

    Started by gmarascortt, 05-29-2020 12:29 PM
    • Replies: 7
    • Views: 524
    06-03-2020, 07:50 PM Go to last post
  10. Am I in the right place?

    Started by guf, 05-27-2020 05:27 PM
    • Replies: 14
    • Views: 906
    05-31-2020, 05:40 PM Go to last post
  11. Altec Crossover Upgrades?

    Started by gmarascortt, 05-31-2020 03:29 PM
    • Replies: 0
    • Views: 253
    05-31-2020, 03:29 PM Go to last post
  12. Altec A7 Refurbishing

    Started by vottnut, 05-26-2020 09:06 PM
    • Replies: 3
    • Views: 406
    05-31-2020, 11:04 AM Go to last post
  13. Question JBL L15 vs L26 vs L60T

    Started by Sound_sensible, 04-02-2010 01:21 PM
    • Replies: 9
    • Views: 17,952
    05-30-2020, 05:27 PM Go to last post
  14. 4345 Bi-Amp Crossover Questions

    Started by jbljr, 05-09-2020 11:19 AM
    • Replies: 10
    • Views: 913
    05-19-2020, 07:59 PM Go to last post
  15. Everest 67000.

    Started by Brian DK, 05-11-2020 11:02 AM
    • Replies: 8
    • Views: 744
    05-13-2020, 08:59 AM Go to last post
  16. JBL 2446H measurements question

    Started by TomR3399, 05-07-2020 10:07 AM
    • Replies: 4
    • Views: 567
    05-08-2020, 01:22 PM Go to last post
  17. JBL 2122h Midrange Woofer Seems extremely stiff

    Started by jbljr, 04-22-2020 09:45 PM
    • Replies: 4
    • Views: 790
    05-08-2020, 11:05 AM Go to last post
    • Replies: 0
    • Views: 352
    05-08-2020, 03:00 AM Go to last post
  18. JBL 4435 mid/high attenuators upgrade.

    Started by JoeNelis, 05-07-2020 02:02 PM
    • Replies: 2
    • Views: 415
    05-07-2020, 11:27 PM Go to last post
  19. JBL UREI 5235 Input and out impedance mismatch

    Started by jbljr, 05-07-2020 11:09 AM
    • Replies: 1
    • Views: 400
    05-07-2020, 03:36 PM Go to last post
    • Replies: 5
    • Views: 703
    05-06-2020, 10:57 AM Go to last post
  20. deleted

    Started by sonofagun, 05-02-2020 11:41 AM
    • Replies: 0
    • Views: 454
    05-02-2020, 11:41 AM Go to last post
  21. 250ti left and right speaker sound very different

    Started by limpan, 04-29-2020 09:17 AM
    2 Pages
    1 2
    • Replies: 18
    • Views: 1,451
    05-01-2020, 12:24 PM Go to last post
  22. E155-4 testing (long)

    Started by grumpy, 04-25-2020 05:37 PM
    2 Pages
    1 2
    • Replies: 19
    • Views: 1,532
    04-28-2020, 11:22 AM Go to last post
  23. 2205B spec's

    Started by kingfisher, 04-18-2020 11:48 AM
    • Replies: 12
    • Views: 1,129
    04-22-2020, 02:15 AM Go to last post

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