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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: 1,643
    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: 34,027
    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: 107,719
    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: 55,222
    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: 26,520
    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: 22,708
    10-20-2006, 02:48 AM Go to last post
    • Replies: 6
    • Views: 2,176
    10-09-2014, 07:19 AM Go to last post
  1. Newbie - looking to refurbish Model 19s

    Started by Jack Black, 10-06-2014 10:18 AM
    • Replies: 4
    • Views: 1,967
    10-06-2014, 03:20 PM Go to last post
  2. 3115A Network Polarity Question

    Started by ngccglp, 10-04-2014 09:28 PM
    • Replies: 1
    • Views: 999
    10-04-2014, 11:04 PM Go to last post
  3. Fender JBL s with orange centre domes

    Started by audiorep2, 09-30-2014 03:16 PM
    • Replies: 1
    • Views: 956
    09-30-2014, 05:03 PM Go to last post
  4. opinions & help about my JBL 4520

    Started by retro soulman, 05-06-2014 12:31 PM
    2 Pages
    1 2
    • Replies: 17
    • Views: 12,885
    09-30-2014, 01:43 PM Go to last post
  5. Replace 175ND-3 with D2430k?

    Started by baldrick, 09-30-2014 06:16 AM
    • Replies: 4
    • Views: 2,600
    09-30-2014, 10:07 AM Go to last post
  6. Advice on Altec A7 crossover upgrade

    Started by Large_speakers, 09-27-2014 10:28 AM
    • Replies: 0
    • Views: 3,450
    09-27-2014, 10:28 AM Go to last post
  7. No Sound JBL LE-120H-1

    Started by gsb001, 09-22-2014 05:58 AM
    • Replies: 4
    • Views: 2,430
    09-26-2014, 04:22 PM Go to last post
    • Replies: 5
    • Views: 1,681
    09-24-2014, 12:56 PM Go to last post
  8. L 101 bi amplified

    Started by davidpou, 09-07-2014 12:03 AM
    • Replies: 3
    • Views: 1,429
    09-23-2014, 12:34 PM Go to last post
  9. Jbl 4430 crossover wiring

    Started by rvito, 09-22-2014 02:24 PM
    • Replies: 6
    • Views: 2,931
    09-23-2014, 05:22 AM Go to last post
  10. Altec 605a duplex horn same as 604 horn?

    Started by script56, 09-06-2014 08:04 AM
    • Replies: 2
    • Views: 1,934
    09-22-2014, 09:33 PM Go to last post
  11. Crossover Curiousity

    Started by cgregory4, 09-17-2014 01:49 PM
    • Replies: 2
    • Views: 1,137
    09-17-2014, 08:26 PM Go to last post
    • Replies: 4
    • Views: 2,827
    09-17-2014, 12:14 PM Go to last post
  12. Legit 2235H cones?

    Started by Mike F, 09-16-2014 11:26 PM
    • Replies: 1
    • Views: 1,144
    09-17-2014, 01:32 AM Go to last post
  13. Picked up a pair of 4560A cabinets loaded......

    Started by wpod, 08-28-2014 05:24 AM
    • Replies: 9
    • Views: 3,138
    09-12-2014, 12:13 PM Go to last post
  14. JBL L55 Repair Questions

    Started by Fugacity, 09-11-2014 09:20 PM
    • Replies: 1
    • Views: 1,659
    09-12-2014, 09:31 AM Go to last post
  15. Altec N-2000b Crossover schematic?

    Started by kn8243, 08-20-2014 10:45 AM
    • Replies: 4
    • Views: 1,864
    09-11-2014, 09:38 AM Go to last post
    • Replies: 7
    • Views: 3,820
    09-10-2014, 08:04 PM Go to last post
  16. Upgrading from 2421B to 2425J

    Started by martin2395, 09-18-2013 09:06 AM
    3 Pages
    1 2 3
    • Replies: 40
    • Views: 14,401
    09-09-2014, 03:04 AM Go to last post
  17. No crossover -- the best crossover?

    Started by cgregory4, 09-08-2014 12:23 AM
    • Replies: 6
    • Views: 1,757
    09-08-2014, 02:52 PM Go to last post
  18. 104H repair question

    Started by bigyank, 07-09-2014 01:31 PM
    2 Pages
    1 2
    • Replies: 20
    • Views: 7,025
    09-06-2014, 01:40 PM Go to last post
  19. Lightbulb JBL 4435 upgrade path ---> advice needed

    Started by DonBocadillo, 09-05-2014 06:13 PM
    • Replies: 1
    • Views: 1,247
    09-06-2014, 12:51 AM Go to last post
  20. JBL 4430 Questions, Please.

    Started by cgregory4, 08-20-2014 09:34 AM
    2 Pages
    1 2
    • Replies: 20
    • Views: 7,432
    09-03-2014, 09:49 PM Go to last post
  21. JBL L100 midrange !!!

    Started by retro soulman, 06-01-2013 11:05 AM
    2 Pages
    1 2
    • Replies: 24
    • Views: 10,309
    09-01-2014, 02:43 PM Go to last post

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