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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: 5,736
    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: 40,503
    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: 120,482
    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: 63,940
    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: 29,192
    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: 25,374
    10-20-2006, 02:48 AM Go to last post
  1. Am I in the right place?

    Started by guf, Yesterday 05:27 PM
    • Replies: 5
    • Views: 110
    Today, 01:19 PM Go to last post
  2. 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: 93
    • Views: 5,643
    Yesterday, 05:23 PM Go to last post
  3. Altec A7 Refurbishing

    Started by vottnut, 05-26-2020 09:06 PM
    • Replies: 2
    • Views: 69
    05-26-2020, 10:56 PM Go to last post
  4. 4345 Bi-Amp Crossover Questions

    Started by jbljr, 05-09-2020 11:19 AM
    • Replies: 10
    • Views: 459
    05-19-2020, 07:59 PM Go to last post
  5. Everest 67000.

    Started by Brian DK, 05-11-2020 11:02 AM
    • Replies: 8
    • Views: 347
    05-13-2020, 08:59 AM Go to last post
  6. JBL 2446H measurements question

    Started by TomR3399, 05-07-2020 10:07 AM
    • Replies: 4
    • Views: 257
    05-08-2020, 01:22 PM Go to last post
  7. JBL 2122h Midrange Woofer Seems extremely stiff

    Started by jbljr, 04-22-2020 09:45 PM
    • Replies: 4
    • Views: 478
    05-08-2020, 11:05 AM Go to last post
    • Replies: 0
    • Views: 127
    05-08-2020, 03:00 AM Go to last post
  8. JBL 4435 mid/high attenuators upgrade.

    Started by JoeNelis, 05-07-2020 02:02 PM
    • Replies: 2
    • Views: 139
    05-07-2020, 11:27 PM Go to last post
  9. JBL UREI 5235 Input and out impedance mismatch

    Started by jbljr, 05-07-2020 11:09 AM
    • Replies: 1
    • Views: 121
    05-07-2020, 03:36 PM Go to last post
    • Replies: 5
    • Views: 360
    05-06-2020, 10:57 AM Go to last post
  10. deleted

    Started by sonofagun, 05-02-2020 11:41 AM
    • Replies: 0
    • Views: 225
    05-02-2020, 11:41 AM Go to last post
  11. 250ti left and right speaker sound very different

    Started by limpan, 04-29-2020 09:17 AM
    2 Pages
    1 2
    • Replies: 18
    • Views: 756
    05-01-2020, 12:24 PM Go to last post
  12. E155-4 testing (long)

    Started by grumpy, 04-25-2020 05:37 PM
    2 Pages
    1 2
    • Replies: 19
    • Views: 895
    04-28-2020, 11:22 AM Go to last post
  13. 2205B spec's

    Started by kingfisher, 04-18-2020 11:48 AM
    • Replies: 12
    • Views: 650
    04-22-2020, 02:15 AM Go to last post
  14. 4350 crossover wiring

    Started by C6Z06, 04-20-2020 01:47 PM
    • Replies: 3
    • Views: 359
    04-21-2020, 01:22 PM Go to last post
  15. Need help to ID these slot clones

    Started by LE15-Thumper, 04-18-2020 01:54 PM
    • Replies: 5
    • Views: 425
    04-19-2020, 02:13 PM Go to last post
  16. Weird "out of phase" effect on JBL 2440

    Started by retro soulman, 04-17-2020 10:03 AM
    • Replies: 4
    • Views: 391
    04-18-2020, 10:06 AM Go to last post
  17. Underhung voice coil specs

    Started by budney, 03-24-2020 08:58 AM
    2 Pages
    1 2
    • Replies: 17
    • Views: 1,329
    04-17-2020, 04:40 PM Go to last post
  18. Help with 4" driver impedance plots

    Started by sebackman, 04-14-2020 02:15 PM
    • Replies: 4
    • Views: 360
    04-15-2020, 10:54 AM Go to last post
  19. Swap foam in the back cap of 4" drivers to felt?

    Started by sebackman, 11-14-2015 03:11 AM
    2 Pages
    1 2
    • Replies: 23
    • Views: 7,247
    04-14-2020, 02:21 PM Go to last post
  20. Effects of loss of magnetism?

    Started by Eric M., 03-26-2020 11:44 AM
    3 Pages
    1 2 3
    • Replies: 31
    • Views: 1,854
    04-13-2020, 05:32 PM Go to last post
    • Replies: 5
    • Views: 511
    04-11-2020, 09:02 PM Go to last post
  21. JBL 2440 off-center vc gap.

    Started by retro soulman, 04-03-2020 07:57 AM
    • Replies: 9
    • Views: 603
    04-10-2020, 12:29 PM Go to last post
  22. Going to active xover

    Started by maxserg, 04-08-2018 03:30 PM
    2 Pages
    1 2
    • Replies: 25
    • Views: 4,441
    04-08-2020, 05:09 PM Go to last post

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