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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 09:01 PM
    • Replies: 9
    • Views: 4,407
    08-22-2019, 08:50 PM Go to last post
  2. Sticky Thread Sticky: 4340 & 4341 references thread

    Started by hjames, 05-11-2007 05:40 PM
    2 Pages
    1 2
    • Replies: 16
    • Views: 38,048
    06-11-2016, 01:00 PM Go to last post
  3. Post Sticky Thread Sticky: Stock Altec/JBL Physical Enclosure Information

    Started by 4313B, 09-11-2004 12:56 PM
    4 Pages
    1 2 3 4
    • Replies: 51
    • Views: 115,719
    06-24-2015, 10:05 AM Go to last post
  4. Sticky Thread Sticky: 4343 References Thread

    Started by hjames, 05-30-2007 06:01 PM
    2 Pages
    1 2
    • Replies: 15
    • Views: 60,697
    10-31-2012, 12:35 AM Go to last post
  5. Thumbs up Sticky Thread Sticky: JBL Technical Information - Links

    Started by boputnam, 02-06-2008 01:34 AM
    • Replies: 1
    • Views: 28,191
    08-05-2008, 07:54 AM Go to last post
  6. Sticky Thread Sticky: READ ME - Forum Rules

    Started by Don McRitchie, 06-28-2004 08:27 AM
    • Replies: 2
    • Views: 24,357
    10-20-2006, 03:48 AM Go to last post
  1. Altec N500-D schematic?

    Started by Drugolf, Today 09:26 AM
    • Replies: 0
    • Views: 13
    Today, 09:26 AM Go to last post
  2. mass ring or not

    Started by ditusa, 11-10-2018 08:23 PM
    • Replies: 14
    • Views: 1,204
    Today, 05:36 AM Go to last post
  3. New To Me JBL 4350 Clones Almost.

    Started by lakebilly, 02-11-2020 04:59 PM
    3 Pages
    1 2 3
    • Replies: 38
    • Views: 1,112
    Yesterday, 05:59 PM Go to last post
  4. D130 cone identification

    Started by rancid82, 09-18-2019 10:45 PM
    • Replies: 11
    • Views: 676
    Yesterday, 02:53 PM Go to last post
  5. 2426h tsp

    Started by MattiasAs, Yesterday 02:52 AM
    • Replies: 1
    • Views: 58
    Yesterday, 09:01 AM Go to last post
  6. 708G-1 Correct Foam?

    Started by Nessman, 02-22-2020 01:40 PM
    • Replies: 5
    • Views: 96
    02-22-2020, 10:11 PM Go to last post
  7. New Diaphraghm for JBL 2405H

    Started by Thomee, 02-20-2020 08:10 PM
    2405h, diaphragm, jbl, jbl 2405h
    • Replies: 1
    • Views: 122
    02-20-2020, 11:52 PM Go to last post
  8. energizer transducer

    Started by Rafael, 10-31-2004 08:14 AM
    • Replies: 1
    • Views: 1,643
    02-17-2020, 09:53 AM Go to last post
  9. 4412 Charge-Couple Help

    Started by WKOTTD, 04-15-2018 12:56 PM
    • Replies: 14
    • Views: 2,615
    02-16-2020, 01:39 PM Go to last post
  10. Exclamation JBL 3110A issue??

    Started by retro soulman, 01-19-2020 11:51 AM
    • Replies: 3
    • Views: 352
    02-15-2020, 12:25 AM Go to last post
  11. E 140-8 recone to 2235H's??

    Started by Kay Pirinha, 02-11-2020 05:05 AM
    • Replies: 12
    • Views: 347
    02-14-2020, 12:04 AM Go to last post
  12. Jbl se401 /402 amp energizer transformer problem

    Started by script56, 02-10-2014 07:05 AM
    • Replies: 2
    • Views: 1,139
    02-12-2020, 03:03 PM Go to last post
    • Replies: 1
    • Views: 143
    02-11-2020, 05:13 PM Go to last post
  13. 2235 white recone kit

    Started by budney, 02-09-2020 11:32 AM
    2 Pages
    1 2
    • Replies: 17
    • Views: 571
    02-11-2020, 07:07 AM Go to last post
    • Replies: 4
    • Views: 260
    02-10-2020, 02:45 PM Go to last post
  14. Altec Incremental 2200

    Started by vernb, 02-09-2020 04:45 AM
    • Replies: 1
    • Views: 124
    02-09-2020, 05:41 AM Go to last post
  15. JBL L112 Midrange Recone Question

    Started by HankL112, 01-22-2020 09:02 AM
    • Replies: 14
    • Views: 588
    02-07-2020, 08:56 AM Go to last post
  16. How to determine proper JBL polarity

    Started by Eric M., 08-20-2019 03:52 PM
    2 Pages
    1 2
    • Replies: 26
    • Views: 3,552
    02-02-2020, 03:54 AM Go to last post
  17. n2400 crossover

    Started by thymanst, 05-30-2009 06:19 AM
    2 Pages
    1 2
    • Replies: 16
    • Views: 9,139
    01-31-2020, 12:00 AM Go to last post
  18. Speaker Cutout Fill In

    Started by Blueprint12, 01-27-2020 01:21 PM
    • Replies: 4
    • Views: 267
    01-27-2020, 06:59 PM Go to last post
  19. 117h-1

    Started by Michael Chavez, 01-26-2020 12:55 PM
    • Replies: 3
    • Views: 231
    01-27-2020, 12:00 PM Go to last post
  20. Please help with 128H's in L150A's. :)

    Started by DerekTheGreat, 07-12-2019 06:29 AM
    8 Pages
    1 2 3 4 5 ... 8
    • Replies: 115
    • Views: 13,899
    01-26-2020, 03:23 PM Go to last post
  21. L65A Jubal crossover rebuild

    Started by DaaDaa, 01-13-2020 09:02 AM
    • Replies: 12
    • Views: 640
    01-22-2020, 09:15 PM Go to last post
  22. Modifying L150A's for bi amp use - Technical advice needed!

    Started by DerekTheGreat, 01-13-2020 05:42 AM
    2 Pages
    1 2
    • Replies: 19
    • Views: 794
    01-19-2020, 12:16 PM Go to last post
  23. What is Aquaplas

    Started by tweeter, 09-15-2009 03:20 AM
    • Replies: 7
    • Views: 13,930
    01-18-2020, 11:41 AM Go to last post

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