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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: 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
    • Replies: 25
    • Views: 14,059
    05-20-2022, 05:33 PM Go to last post
  2. Sticky Thread Sticky: READ ME - Forum Rules

    Started by Don McRitchie, 06-28-2004 07:27 AM
    • Replies: 4
    • Views: 49,708
    03-28-2021, 03:03 PM Go to last post
  3. Thumbs up Sticky Thread Sticky: JBL Technical Information - Links

    Started by boputnam, 02-06-2008 01:34 AM
    • Replies: 5
    • Views: 53,134
    03-23-2021, 02:25 PM Go to last post
  4. Sticky Thread Sticky: JBL Technical Notes - LOT'S of them!!!

    Started by DogBox, 06-19-2019 08:01 PM
    • Replies: 9
    • Views: 32,720
    08-22-2019, 07:50 PM Go to last post
  5. Sticky Thread Sticky: 4340 & 4341 references thread

    Started by hjames, 05-11-2007 04:40 PM
    2 Pages
    1 2
    • Replies: 16
    • Views: 79,844
    06-11-2016, 12:00 PM Go to last post
  6. 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: 221,058
    06-24-2015, 09:05 AM Go to last post
  7. Sticky Thread Sticky: 4343 References Thread

    Started by hjames, 05-30-2007 05:01 PM
    2 Pages
    1 2
    • Replies: 15
    • Views: 108,414
    10-30-2012, 11:35 PM Go to last post
  8. Sticky Thread Sticky: Lansing-related Patent Parade

    Started by moldyoldy, 06-05-2007 01:33 AM
    3 Pages
    1 2 3
    • Replies: 34
    • Views: 45,418
    06-23-2007, 12:01 AM Go to last post
  1. OEM 2421 Diaphragms just won't fit

    Started by kelossus, 09-28-2023 10:13 PM
    • Replies: 2
    • Views: 125
    Yesterday, 06:09 AM Go to last post
    • Replies: 2
    • Views: 136
    09-28-2023, 10:58 AM Go to last post
  2. JBL 4520 question

    Started by Tube Radio, 09-17-2023 05:08 PM
    2 Pages
    1 2
    • Replies: 15
    • Views: 1,134
    09-21-2023, 10:54 PM Go to last post
  3. Woofer 2213 H positive or negative transducer ?

    Started by imai, 01-17-2022 03:48 AM
    3 Pages
    1 2 3
    • Replies: 33
    • Views: 5,549
    09-19-2023, 09:43 PM Go to last post
  4. 2216Nd(-1) / M2 / 4367 measurements

    Started by sebackman, 09-18-2023 12:53 AM
    • Replies: 4
    • Views: 275
    09-19-2023, 03:23 AM Go to last post
    • Replies: 10
    • Views: 630
    09-07-2023, 12:52 PM Go to last post
  5. Question JBL L-45 Flair (S4 Loaded)

    Started by Steve w/cheeks, 08-21-2012 05:32 AM
    • Replies: 4
    • Views: 13,375
    09-01-2023, 12:32 AM Go to last post
  6. JBL 2441 Diaphragm question

    Started by alfmonster, 08-22-2023 05:41 PM
    • Replies: 13
    • Views: 2,222
    08-31-2023, 07:23 PM Go to last post
  7. JBL 376 slight buzzing

    Started by alfmonster, 08-21-2023 08:21 AM
    • Replies: 8
    • Views: 545
    08-27-2023, 02:39 PM Go to last post
  8. Restoration of 4435

    Started by Odd, 08-23-2023 10:47 AM
    • Replies: 3
    • Views: 517
    08-24-2023, 03:53 AM Go to last post
  9. Matching drivers?

    Started by sebackman, 06-11-2023 11:33 AM
    • Replies: 12
    • Views: 1,360
    08-19-2023, 06:49 PM Go to last post
  10. JBL L45 "Flair" Mid-range Driver

    Started by bedrock602, 08-13-2023 07:01 PM
    • Replies: 8
    • Views: 708
    08-15-2023, 05:31 AM Go to last post
    • Replies: 5
    • Views: 2,574
    08-03-2023, 06:12 PM Go to last post
  11. LE14H-1 as subwoofers?

    Started by emilime75, 08-02-2023 08:06 AM
    • Replies: 2
    • Views: 487
    08-03-2023, 02:09 PM Go to last post
  12. A8 VOTT (Restoration Help)

    Started by capicva, 06-23-2019 10:36 PM
    • Replies: 10
    • Views: 12,254
    07-28-2023, 02:49 PM Go to last post
  13. 033 impedance graph

    Started by scroogemcdov, 01-05-2021 08:53 AM
    • Replies: 4
    • Views: 3,258
    07-26-2023, 08:38 AM Go to last post
  14. Metregon S82 System...Impossible?!

    Started by paullusjoe, 07-16-2023 09:40 PM
    • Replies: 4
    • Views: 1,740
    07-21-2023, 04:07 PM Go to last post
    • Replies: 12
    • Views: 9,198
    07-16-2023, 09:42 PM Go to last post
  15. Question 2215H vs E145-8?

    Started by DerekTheGreat, 07-13-2023 11:33 AM
    • Replies: 1
    • Views: 976
    07-13-2023, 12:35 PM Go to last post
  16. Speed of sound

    Started by maxserg, 06-20-2023 03:14 PM
    2 Pages
    1 2
    • Replies: 17
    • Views: 1,731
    07-12-2023, 05:39 PM Go to last post
  17. Altec 604 8G and 604 8K throat sizes.

    Started by eso, 09-16-2020 08:14 AM
    • Replies: 10
    • Views: 6,053
    06-03-2023, 11:34 PM Go to last post
  18. Jubal L65 woofer, midrange and tweeter phase.

    Started by warpig, 05-23-2023 08:24 PM
    • Replies: 14
    • Views: 1,296
    05-24-2023, 02:37 PM Go to last post
  19. 218F spec sheets?

    Started by qxlxp, 10-23-2006 09:39 AM
    • Replies: 4
    • Views: 3,482
    05-23-2023, 06:31 AM Go to last post
  20. 3105 L pad for driver

    Started by Eduardocastrejo, 05-20-2023 12:32 PM
    • Replies: 3
    • Views: 671
    05-21-2023, 04:42 PM Go to last post
  21. JBL 4622 opinion

    Started by retro soulman, 12-05-2021 03:08 AM
    • Replies: 5
    • Views: 2,518
    05-17-2023, 09:51 PM Go to last post

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