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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: 910
    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: 18,254
    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: 54,061
    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: 57,403
    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: 37,298
    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: 84,991
    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: 238,143
    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: 115,918
    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: 52,451
    Steve Schell
    06-23-2007, 12:01 AM Go to last post

  1. Information request - 1984 JBL L56 model

    Started by Southerntwang71, 12-15-2015 09:56 AM
    1 Attachment(s)
    • Replies: 6
    • Views: 7,224
    Triumph Don
    12-15-2015, 02:38 PM Go to last post

  2. JBL LE25 vs. LE25-2 tweeter musically and sonically difference

    Started by JBLPRO43, 12-14-2015 11:09 AM
    • Replies: 0
    • Views: 2,994
    JBLPRO43
    12-14-2015, 11:09 AM Go to last post

  3. Altec 19 - Replacement Foam Inserts?

    Started by polaris26, 10-08-2013 04:17 AM
    • Replies: 7
    • Views: 7,734
    NickH
    12-13-2015, 07:21 PM Go to last post

  4. Sagging Spider

    Started by Shaun M, 12-09-2015 08:59 AM
    1 Attachment(s)
    • Replies: 4
    • Views: 4,639
    gasfan
    12-11-2015, 08:06 AM Go to last post

  5. Front center dialogue channel between pr of L-300's

    Started by Bill Shenefelt, 12-06-2015 01:17 PM
    • Replies: 3
    • Views: 3,656
    Bill Shenefelt
    12-10-2015, 05:03 PM Go to last post

  6. Setting voice coil

    Started by quindecima, 12-05-2015 12:18 PM
    • Replies: 6
    • Views: 4,574
    script56
    12-06-2015, 01:28 PM Go to last post

  7. What is the polarity supposed to be on an 077 tweeter?

    Started by Alobar, 12-03-2015 07:04 PM
    • Replies: 7
    • Views: 5,062
    Alobar
    12-04-2015, 10:54 AM Go to last post

  8. Help building 2203a

    Started by bldozier, 12-01-2015 03:34 PM
    • Replies: 6
    • Views: 4,410
    mech986
    12-04-2015, 02:12 AM Go to last post

  9. JBL L110 restoring crossover-networks

    Started by jan_slagman, 07-15-2008 04:42 AM
    2 Pages •
    1 2
    1 Attachment(s)
    • Replies: 24
    • Views: 36,710
    DonQuixote99
    12-03-2015, 09:42 AM Go to last post

  10. Substituting driver motors; ferrite and alnico

    Started by bldozier, 11-25-2015 11:35 AM
    • Replies: 5
    • Views: 4,837
    Robh3606
    12-02-2015, 04:39 AM Go to last post

  11. 250ti front grill, dim an pictures?

    Started by baldrick, 08-24-2009 04:25 AM
    1 Attachment(s)
    • Replies: 8
    • Views: 7,538
    SEAWOLF97
    12-01-2015, 03:22 PM Go to last post

  12. Restoring a pair of C56 Dorian

    Started by bbq, 11-19-2015 05:20 PM
    c56.lx10 3 Attachment(s)
    • Replies: 4
    • Views: 5,744
    gsb001
    12-01-2015, 07:02 AM Go to last post

  13. Sound absorbent material for speaker enclosures

    Started by tjm001, 11-29-2015 10:44 AM
    • Replies: 13
    • Views: 6,531
    NickH
    11-30-2015, 06:16 PM Go to last post

  14. modifying L36 crossover to change frequencies

    Started by kneedeepinit, 11-17-2015 09:35 AM
    1 Attachment(s)
    • Replies: 4
    • Views: 5,074
    grumpy
    11-28-2015, 09:15 PM Go to last post

  15. How do you break in your new / recone woofers?

    Started by sebackman, 11-28-2015 03:27 AM
    • Replies: 5
    • Views: 3,886
    1audiohack
    11-28-2015, 02:32 PM Go to last post

  16. 4412 - channel balance

    Started by andersen09, 11-20-2015 04:32 PM
    4412, channel balance, crossover, upgrade 4 Attachment(s)
    • Replies: 4
    • Views: 12,162
    andersen09
    11-27-2015, 06:36 AM Go to last post

  17. 2108 magnet weight

    Started by bldozier, 11-25-2015 12:23 PM
    • Replies: 0
    • Views: 2,348
    bldozier
    11-25-2015, 12:23 PM Go to last post

  18. Altec recone kit 515

    Started by hoangtuans, 10-17-2015 04:07 AM
    • Replies: 1
    • Views: 3,265
    Jennifer
    11-24-2015, 07:18 PM Go to last post

  19. JBL L200 OEM Recone Kit

    Started by jerryjames8080, 11-24-2015 03:51 PM
    l200, recone kit
    • Replies: 2
    • Views: 3,167
    grumpy
    11-24-2015, 04:24 PM Go to last post

  20. Verify 2420 diaphragms

    Started by blvdre, 11-20-2015 08:47 AM
    5 Attachment(s)
    • Replies: 9
    • Views: 5,165
    timca
    11-23-2015, 01:32 PM Go to last post

  21. substitute 2426J for 2421B

    Started by quindecima, 11-22-2015 12:33 PM
    • Replies: 0
    • Views: 1,808
    quindecima
    11-22-2015, 12:33 PM Go to last post

  22. Siamese 2108

    Started by bldozier, 10-10-2015 02:32 PM
    • Replies: 4
    • Views: 3,374
    bldozier
    11-22-2015, 08:33 AM Go to last post

  23. Question N500F dividing network

    Started by Guyzer, 11-17-2015 06:19 AM
    • Replies: 1
    • Views: 2,399
    Ed Kreamer
    11-21-2015, 09:52 AM Go to last post

  24. 2421B 16ohm or 8ohm

    Started by quindecima, 11-18-2015 04:49 PM
    1 Attachment(s)
    • Replies: 9
    • Views: 5,991
    quindecima
    11-18-2015, 09:43 PM Go to last post

  25. 2122 vs 2123

    Started by quindecima, 11-16-2015 10:33 AM
    • Replies: 3
    • Views: 3,989
    christo
    11-16-2015, 08:58 PM Go to last post
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