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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: 4
    • Views: 573
    07-15-2019, 08:39 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: 32,436
    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: 104,550
    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: 53,508
    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: 25,947
    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: 22,133
    10-20-2006, 02:48 AM Go to last post
  1. JBL DSC 260 vs. DSC 260A

    Started by dubkarma, 06-17-2019 08:32 AM
    dbx driverack 260, dsc 260, dsc 260a
    • Replies: 0
    • Views: 174
    06-17-2019, 08:32 AM Go to last post
    • Replies: 66
    • Views: 26,518
    06-16-2019, 05:58 PM Go to last post
  2. 2235 Surround

    Started by Vahe Sahakian, 05-20-2019 06:56 PM
    • Replies: 11
    • Views: 994
    06-11-2019, 07:52 AM Go to last post
  3. Packing and shipping Altec 416 woofers

    Started by TonyRS, 06-03-2019 08:17 AM
    • Replies: 14
    • Views: 758
    06-09-2019, 05:56 AM Go to last post
  4. JBL L15 Refurbish

    Started by Pigboat, 06-01-2019 09:35 AM
    2 Pages
    1 2
    • Replies: 20
    • Views: 1,018
    06-08-2019, 04:12 PM Go to last post
    • Replies: 1
    • Views: 257
    06-08-2019, 07:25 AM Go to last post
  5. JBL 4311B Control Monitor Polarity Confusion

    Started by Thrifty HiFi, 05-29-2019 07:23 PM
    2 Pages
    1 2
    • Replies: 19
    • Views: 1,039
    06-06-2019, 09:37 PM Go to last post
  6. JBL 4560 vs 4530, sound & thoughts

    Started by retro soulman, 05-15-2019 10:56 AM
    • Replies: 3
    • Views: 579
    06-05-2019, 02:44 PM Go to last post
  7. JBL 2447 broken threaded bolt

    Started by BullFire, 06-02-2019 02:49 PM
    • Replies: 7
    • Views: 424
    06-03-2019, 10:16 PM Go to last post
  8. Jbl 2121 or 2122 out of ????

    Started by bldozier, 08-21-2015 09:53 AM
    2 Pages
    1 2
    • Replies: 21
    • Views: 7,818
    05-29-2019, 11:44 AM Go to last post
  9. 250ti Top End

    Started by sweet212, 11-21-2018 06:57 PM
    3 Pages
    1 2 3
    • Replies: 34
    • Views: 3,868
    05-26-2019, 01:07 PM Go to last post
  10. Perforated Lens Hole Allignment

    Started by Guenter, 05-23-2019 03:38 AM
    • Replies: 2
    • Views: 353
    05-23-2019, 07:51 AM Go to last post
    • Replies: 3
    • Views: 467
    05-22-2019, 09:19 AM Go to last post
  11. 604 8G and 604-8HPLN sound differences

    Started by maxserg, 05-15-2019 06:23 PM
    • Replies: 3
    • Views: 474
    05-20-2019, 03:27 PM Go to last post
  12. 196H cone driver T/S Parameters

    Started by glenn, 05-18-2019 02:55 PM
    • Replies: 1
    • Views: 312
    05-19-2019, 07:15 AM Go to last post
  13. Le5-12 replacement help

    Started by Wolfmandan, 05-18-2019 05:25 AM
    • Replies: 4
    • Views: 394
    05-18-2019, 08:41 AM Go to last post
  14. KS Kuecke Tertia D70 woofer membrane repair

    Started by vrobec, 05-14-2019 12:31 PM
    • Replies: 2
    • Views: 483
    05-17-2019, 11:10 AM Go to last post
  15. JBL L110 woofer air leak

    Started by tinkerwalsh, 03-20-2019 06:52 AM
    • Replies: 9
    • Views: 1,041
    05-17-2019, 08:09 AM Go to last post
  16. Great Plains Audio Diaphragm Question

    Started by bedrock602, 05-12-2019 12:41 PM
    • Replies: 3
    • Views: 581
    05-14-2019, 10:25 AM Go to last post
  17. Jbl k2 s9500

    Started by kulashaker, 05-09-2019 11:30 AM
    • Replies: 4
    • Views: 687
    05-13-2019, 09:30 AM Go to last post
  18. JBL 4355 diaphragm options

    Started by kelossus, 05-02-2019 04:18 PM
    • Replies: 13
    • Views: 1,167
    05-11-2019, 11:14 AM Go to last post
  19. Technical Manual for S3900?

    Started by mgaylord, 05-11-2019 07:20 AM
    • Replies: 1
    • Views: 349
    05-11-2019, 07:25 AM Go to last post
    • Replies: 34
    • Views: 3,073
    05-09-2019, 08:43 AM Go to last post
  20. Ethyl Merman Crossover Schematic

    Started by toddalin, 05-01-2019 05:09 PM
    • Replies: 9
    • Views: 740
    05-05-2019, 12:46 PM Go to last post
  21. E-140 vs. K-140

    Started by Kay Pirinha, 05-04-2019 03:30 AM
    • Replies: 4
    • Views: 514
    05-05-2019, 04:04 AM Go to last post

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