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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: Speaker Frame and Cone Kit Compatability

    Started by Robh3606, 03-11-2024 09:04 AM
    1 Attachment(s)
    • Replies: 0
    • Views: 968
    Robh3606
    03-11-2024, 09:04 AM Go to last post

  2. Sticky Thread Sticky: Looking for JBL " Pro Note " Vol. 1 Issue # 6 and # 7 July 1973

    Started by JBLPRO, 05-12-2022 06:58 AM
    2 Pages •
    1 2
    36 Attachment(s)
    • Replies: 25
    • Views: 18,479
    engineerjoe
    05-20-2022, 05:33 PM Go to last post

  3. Sticky Thread Sticky: READ ME - Forum Rules

    Started by Don McRitchie, 06-28-2004 07:27 AM
    1 Attachment(s)
    • Replies: 4
    • Views: 54,701
    Mr. Widget
    03-28-2021, 03:03 PM Go to last post

  4. Thumbs up Sticky Thread Sticky: JBL Technical Information - Links

    Started by boputnam, 02-06-2008 01:34 AM
    • Replies: 5
    • Views: 57,969
    RMC
    03-23-2021, 02:25 PM Go to last post

  5. Sticky Thread Sticky: JBL Technical Notes - LOT'S of them!!!

    Started by DogBox, 06-19-2019 08:01 PM
    • Replies: 9
    • Views: 37,666
    DogBox
    08-22-2019, 07:50 PM Go to last post

  6. Sticky Thread Sticky: 4340 & 4341 references thread

    Started by hjames, 05-11-2007 04:40 PM
    2 Pages •
    1 2
    14 Attachment(s)
    • Replies: 16
    • Views: 85,834
    hjames
    06-11-2016, 12:00 PM Go to last post

  7. 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
    12 Attachment(s)
    • Replies: 51
    • Views: 240,023
    10 Watt Street
    06-24-2015, 09:05 AM Go to last post

  8. Sticky Thread Sticky: 4343 References Thread

    Started by hjames, 05-30-2007 05:01 PM
    2 Pages •
    1 2
    12 Attachment(s)
    • Replies: 15
    • Views: 116,889
    DogBox
    10-30-2012, 11:35 PM Go to last post

  9. Sticky Thread Sticky: Lansing-related Patent Parade

    Started by moldyoldy, 06-05-2007 01:33 AM
    3 Pages •
    1 2 3
    5 Attachment(s)
    • Replies: 34
    • Views: 53,283
    Steve Schell
    06-23-2007, 12:01 AM Go to last post

  1. Availability of JBL diaphragms

    Started by Dr.db, 05-23-2021 07:53 AM
    • Replies: 2
    • Views: 2,118
    Dr.db
    05-24-2021, 01:01 PM Go to last post

  2. Altec Woofer Surround Sepair

    Started by soundguy64, 05-15-2021 07:49 PM
    • Replies: 4
    • Views: 2,674
    soundguy64
    05-21-2021, 05:33 PM Go to last post

  3. Altec model 19 owners...important info....

    Started by rontec, 12-16-2009 09:20 PM
    3 Attachment(s)
    • Replies: 9
    • Views: 14,143
    hjames
    05-18-2021, 12:41 PM Go to last post

  4. JBL MR Series

    Started by kidkarmadj, 11-15-2005 08:18 AM
    • Replies: 6
    • Views: 18,710
    grumpy
    05-13-2021, 12:27 PM Go to last post

  5. Jbl 2421a

    Started by Epplerd, 04-13-2021 08:09 AM
    • Replies: 6
    • Views: 4,060
    toddalin
    05-11-2021, 11:33 AM Go to last post

  6. Restoring JBL 4435s

    Started by Hysteresis, 05-09-2021 01:34 PM
    • Replies: 1
    • Views: 1,833
    Mr. Widget
    05-09-2021, 02:41 PM Go to last post

  7. Removing LE25 From L100

    Started by cooperj, 04-30-2021 08:11 AM
    • Replies: 4
    • Views: 2,526
    cooperj
    05-08-2021, 06:15 PM Go to last post

  8. Strange object found inside a Harmon Citation 7.4 sub

    Started by clwinbe, 02-25-2021 08:59 PM
    4 Attachment(s)
    • Replies: 10
    • Views: 5,359
    clwinbe
    05-06-2021, 12:14 PM Go to last post

  9. 2241H Magnets Out of Phase!!!

    Started by toddalin, 04-05-2019 04:48 PM
    3 Pages •
    1 2 3
    • Replies: 30
    • Views: 13,187
    Kay Pirinha
    05-02-2021, 02:57 AM Go to last post

  10. Intriguing relief on 2405 diaphragms

    Started by jeanmichelt, 04-24-2021 02:31 AM
    2 Attachment(s)
    • Replies: 5
    • Views: 2,977
    edgewound
    05-01-2021, 10:45 AM Go to last post

  11. Jbl 2214h dimensions

    Started by BOBBY59, 04-25-2021 06:59 AM
    • Replies: 6
    • Views: 3,034
    BOBBY59
    05-01-2021, 03:54 AM Go to last post

  12. Altec Lansing Model 6 Crossover Removal

    Started by herkimer, 04-24-2016 08:24 PM
    • Replies: 8
    • Views: 7,676
    Frank Powers
    04-29-2021, 08:03 AM Go to last post

  13. Altec Models 4/6/8 (Model 9813B) "Automatic Power Control" Crossover schematic

    Started by Brick, 01-21-2021 07:55 PM
    3 Attachment(s)
    • Replies: 10
    • Views: 5,335
    Frank Powers
    04-29-2021, 07:32 AM Go to last post

  14. JBL L150-A Help

    Started by vintageaudio17, 04-18-2021 05:59 AM
    1 Attachment(s)
    • Replies: 6
    • Views: 3,503
    vintageaudio17
    04-18-2021, 02:15 PM Go to last post

  15. JBL 104H midrange driver question.

    Started by CEL2004, 04-03-2021 07:35 PM
    2 Attachment(s)
    • Replies: 13
    • Views: 5,614
    JeffW
    04-15-2021, 11:50 AM Go to last post

  16. What does the (SCH) stand for at the end of some of the crossover schematics I see?

    Started by Eric M., 04-12-2021 05:32 PM
    • Replies: 0
    • Views: 1,775
    Eric M.
    04-12-2021, 05:32 PM Go to last post

  17. Jbl hla 4897

    Started by hlaari, 05-23-2019 03:38 PM
    2 Pages •
    1 2
    5 Attachment(s)
    • Replies: 17
    • Views: 23,051
    Bassdabob
    04-12-2021, 08:32 AM Go to last post

  18. Charge Coupled Crossover

    Started by Epplerd, 04-05-2021 02:45 AM
    3 Pages •
    1 2 3
    • Replies: 31
    • Views: 11,420
    Ian Mackenzie
    04-09-2021, 04:37 PM Go to last post

  19. Altec 9444B

    Started by Battocchio, 04-08-2021 10:45 AM
    transistors mj12025
    • Replies: 1
    • Views: 1,980
    speakerdave
    04-08-2021, 12:16 PM Go to last post

  20. 2405 acceptable dcr readings

    Started by sidney8151, 04-05-2021 12:11 PM
    • Replies: 6
    • Views: 3,054
    RMC
    04-06-2021, 10:32 PM Go to last post

  21. JBL 4345 L-Pads replace

    Started by Pavel, 01-07-2015 01:44 AM
    2 Pages •
    1 2
    1 Attachment(s)
    • Replies: 18
    • Views: 13,847
    Ian Mackenzie
    04-06-2021, 03:13 AM Go to last post

  22. Urei 815c restoration

    Started by budney, 03-25-2021 10:36 AM
    7 Attachment(s)
    • Replies: 4
    • Views: 5,284
    budney
    04-05-2021, 02:39 AM Go to last post

  23. JBL 4312A faulty tweeter options

    Started by booja, 03-24-2021 02:45 PM
    2 Attachment(s)
    • Replies: 4
    • Views: 4,944
    SaturationPt
    03-26-2021, 04:07 PM Go to last post

  24. How to remove risers on L65 Jubals?

    Started by ElDocHollywood, 03-15-2021 12:52 PM
    1 Attachment(s)
    • Replies: 6
    • Views: 6,355
    ElDocHollywood
    03-23-2021, 03:55 PM Go to last post

  25. Repairshop in NY/NJ area for 4333A

    Started by club900fe, 02-24-2021 08:34 PM
    • Replies: 9
    • Views: 6,734
    CEL2004
    03-20-2021, 10:18 AM Go to last post
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