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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: 4,876
    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: 38,895
    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: 117,400
    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: 61,786
    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: 28,529
    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: 24,695
    10-20-2006, 02:48 AM Go to last post
  1. L 91 lenes

    Started by JBeL, 03-26-2020 03:42 AM
    • Replies: 6
    • Views: 202
    Yesterday, 10:12 PM Go to last post
  2. LSR Speaker Cable Possibilities

    Started by jbl4435, 03-24-2020 03:50 PM
    • Replies: 3
    • Views: 141
    03-26-2020, 05:27 PM Go to last post
  3. Effects of loss of magnetism?

    Started by Eric M., 03-26-2020 11:44 AM
    • Replies: 4
    • Views: 93
    03-26-2020, 04:16 PM Go to last post
  4. Speaker Build

    Started by Mcline5804, 03-17-2020 08:34 AM
    • Replies: 2
    • Views: 157
    03-26-2020, 11:11 AM Go to last post
  5. Underhung voice coil specs

    Started by budney, 03-24-2020 08:58 AM
    • Replies: 4
    • Views: 154
    03-26-2020, 12:20 AM Go to last post
  6. Help Needed with JBl 2121 midrange dustcap

    Started by jbljr, 03-23-2020 09:30 PM
    • Replies: 1
    • Views: 67
    03-25-2020, 09:17 PM Go to last post
    • Replies: 12
    • Views: 182
    03-25-2020, 03:32 PM Go to last post
  7. 2121H Dust cap issue fixed: improvement

    Started by Goldjazz, 03-18-2020 08:21 PM
    • Replies: 8
    • Views: 279
    03-23-2020, 10:01 PM Go to last post
  8. C500G midrange: mounting

    Started by werewolf, 03-23-2020 02:21 PM
    • Replies: 0
    • Views: 50
    03-23-2020, 02:21 PM Go to last post
  9. JBL 2122H recone question

    Started by bjh, 03-17-2020 08:18 AM
    2122h, 4345, recone
    • Replies: 6
    • Views: 307
    03-22-2020, 10:16 PM Go to last post
  10. LE175 Question

    Started by pmakres1, 03-20-2020 03:08 PM
    • Replies: 7
    • Views: 171
    03-21-2020, 02:25 PM Go to last post
  11. Looking For More Punch From My 2245, 4345 Clone

    Started by robertg, 03-01-2020 03:38 PM
    4 Pages
    1 2 3 4
    • Replies: 51
    • Views: 1,791
    03-21-2020, 09:50 AM Go to last post
  12. JBL 2245H with crazy TS specs measured with Dayton DATS 3

    Started by Morten Krogh, 02-27-2020 11:22 AM
    2 Pages
    1 2
    • Replies: 28
    • Views: 1,432
    03-20-2020, 02:46 AM Go to last post
  13. 4312 woofer

    Started by Rocky, 03-14-2020 06:59 PM
    • Replies: 1
    • Views: 162
    03-14-2020, 08:06 PM Go to last post
  14. Repair/Reinforce JBL 035TIA Tweeter Terminals

    Started by vintagerocks, 03-12-2020 07:38 PM
    • Replies: 2
    • Views: 200
    03-13-2020, 09:56 AM Go to last post
  15. Jbl se401 /402 amp energizer transformer problem

    Started by script56, 02-10-2014 06:05 AM
    • Replies: 3
    • Views: 1,399
    03-08-2020, 04:54 AM Go to last post
  16. BE diaphragms

    Started by dino, 03-04-2020 06:15 AM
    • Replies: 2
    • Views: 267
    03-04-2020, 09:23 AM Go to last post
  17. Olympus are at home

    Started by Wardsweb, 03-13-2011 04:32 PM
    3 Pages
    1 2 3
    • Replies: 35
    • Views: 15,461
    03-03-2020, 07:01 AM Go to last post
  18. JBL based frankenwoofer

    Started by MoD, 02-27-2020 01:05 AM
    • Replies: 7
    • Views: 478
    02-28-2020, 09:18 AM Go to last post
  19. D130 cone identification

    Started by rancid82, 09-18-2019 09:45 PM
    • Replies: 14
    • Views: 1,154
    02-26-2020, 06:31 PM Go to last post
  20. New To Me JBL 4350 Clones Almost.

    Started by lakebilly, 02-11-2020 03:59 PM
    3 Pages
    1 2 3
    • Replies: 44
    • Views: 2,171
    02-26-2020, 09:12 AM Go to last post
  21. mass ring or not

    Started by ditusa, 11-10-2018 07:23 PM
    2 Pages
    1 2
    • Replies: 15
    • Views: 1,615
    02-26-2020, 01:30 AM Go to last post
  22. Altec N500-D schematic?

    Started by Drugolf, 02-24-2020 08:26 AM
    • Replies: 1
    • Views: 218
    02-25-2020, 07:22 AM Go to last post
  23. 2426h tsp

    Started by MattiasAs, 02-23-2020 01:52 AM
    • Replies: 1
    • Views: 201
    02-23-2020, 08:01 AM Go to last post
  24. 708G-1 Correct Foam?

    Started by Nessman, 02-22-2020 12:40 PM
    • Replies: 5
    • Views: 289
    02-22-2020, 09:11 PM Go to last post

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