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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: 6,452
    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: 42,051
    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: 123,266
    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: 65,303
    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: 29,727
    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: 25,931
    10-20-2006, 02:48 AM Go to last post
  1. 2216Nd-1 Measurements??

    Started by Robh3606, Yesterday 05:16 PM
    • Replies: 1
    • Views: 32
    Yesterday, 08:01 PM Go to last post
  2. Altec Lansing 421-8h series ll info wanted

    Started by Spellcaster, Yesterday 06:54 PM
    • Replies: 0
    • Views: 8
    Yesterday, 06:54 PM Go to last post
  3. JBL L110A refoam and stands

    Started by vrobec, 07-12-2020 09:07 AM
    • Replies: 7
    • Views: 179
    Yesterday, 01:18 AM Go to last post
  4. Step up transformer for 6290 power amp

    Started by 4344, Yesterday 12:51 AM
    • Replies: 0
    • Views: 35
    Yesterday, 12:51 AM Go to last post
  5. Replacement diaphragm options for 2425J

    Started by BMWCCA, 07-21-2019 06:20 AM
    2 Pages
    1 2
    • Replies: 24
    • Views: 3,745
    07-08-2020, 08:01 AM Go to last post
  6. Placement of Everest 55000

    Started by 4344, 07-07-2020 05:24 AM
    • Replies: 2
    • Views: 192
    07-07-2020, 09:03 PM Go to last post
  7. Altec A7 Refurbishment Crossovers

    Started by vottnut, 06-13-2020 01:24 PM
    • Replies: 2
    • Views: 392
    06-14-2020, 12:08 PM Go to last post
  8. JBL 2122H recone question

    Started by bjh, 03-17-2020 08:18 AM
    2122h, 4345, recone
    • Replies: 9
    • Views: 1,258
    06-11-2020, 10:17 AM Go to last post
  9. L100 QUADRAFLEX FOAM GRILLE updates?

    Started by KAYERCPA, 09-22-2019 07:33 PM
    • Replies: 8
    • Views: 1,914
    06-09-2020, 05:04 PM Go to last post
  10. Question L-pad delete how to...HELP!

    Started by qcautosports, 06-03-2020 05:24 PM
    • Replies: 9
    • Views: 620
    06-07-2020, 10:53 AM Go to last post
  11. Valancia Grills

    Started by Mcline5804, 06-01-2020 08:17 PM
    • Replies: 1
    • Views: 316
    06-07-2020, 09:22 AM Go to last post
  12. 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: 8,820
    06-06-2020, 05:44 PM Go to last post
  13. What is Aquaplas

    Started by tweeter, 09-15-2009 02:20 AM
    2 Pages
    1 2
    • Replies: 22
    • Views: 16,235
    06-04-2020, 01:59 AM Go to last post
  14. LE15A Needs New Surrounds

    Started by gmarascortt, 05-29-2020 12:29 PM
    • Replies: 7
    • Views: 613
    06-03-2020, 07:50 PM Go to last post
  15. Am I in the right place?

    Started by guf, 05-27-2020 05:27 PM
    • Replies: 14
    • Views: 1,033
    05-31-2020, 05:40 PM Go to last post
  16. Altec Crossover Upgrades?

    Started by gmarascortt, 05-31-2020 03:29 PM
    • Replies: 0
    • Views: 301
    05-31-2020, 03:29 PM Go to last post
  17. Altec A7 Refurbishing

    Started by vottnut, 05-26-2020 09:06 PM
    • Replies: 3
    • Views: 474
    05-31-2020, 11:04 AM Go to last post
  18. Question JBL L15 vs L26 vs L60T

    Started by Sound_sensible, 04-02-2010 01:21 PM
    • Replies: 9
    • Views: 18,109
    05-30-2020, 05:27 PM Go to last post
  19. 4345 Bi-Amp Crossover Questions

    Started by jbljr, 05-09-2020 11:19 AM
    • Replies: 10
    • Views: 1,020
    05-19-2020, 07:59 PM Go to last post
  20. Everest 67000.

    Started by Brian DK, 05-11-2020 11:02 AM
    • Replies: 8
    • Views: 825
    05-13-2020, 08:59 AM Go to last post
  21. JBL 2446H measurements question

    Started by TomR3399, 05-07-2020 10:07 AM
    • Replies: 4
    • Views: 635
    05-08-2020, 01:22 PM Go to last post
  22. JBL 2122h Midrange Woofer Seems extremely stiff

    Started by jbljr, 04-22-2020 09:45 PM
    • Replies: 4
    • Views: 854
    05-08-2020, 11:05 AM Go to last post
    • Replies: 0
    • Views: 408
    05-08-2020, 03:00 AM Go to last post
  23. JBL 4435 mid/high attenuators upgrade.

    Started by JoeNelis, 05-07-2020 02:02 PM
    • Replies: 2
    • Views: 474
    05-07-2020, 11:27 PM Go to last post
  24. JBL UREI 5235 Input and out impedance mismatch

    Started by jbljr, 05-07-2020 11:09 AM
    • Replies: 1
    • Views: 452
    05-07-2020, 03:36 PM Go to last post

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