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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: 8,842
    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: 46,343
    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: 132,270
    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: 69,946
    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: 31,566
    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: 27,744
    10-20-2006, 03:48 AM Go to last post
  1. JBL L20t3 woofer surround

    Started by Cozmo, 11-22-2020 12:31 AM
    2 Pages
    1 2
    • Replies: 16
    • Views: 373
    Yesterday, 08:10 AM Go to last post
  2. Altec N-3000-E Mystery

    Started by soundguy64, 12-19-2018 12:08 AM
    • Replies: 2
    • Views: 1,429
    11-24-2020, 11:13 AM Go to last post
  3. Example of a "Banana Curve"

    Started by withTarragon, 11-20-2020 01:29 PM
    • Replies: 8
    • Views: 263
    11-23-2020, 02:27 AM Go to last post
  4. JBL 4425 Bi-Radial Horn Repair?

    Started by Spackler, 11-16-2020 12:05 AM
    • Replies: 14
    • Views: 489
    11-22-2020, 07:53 AM Go to last post
  5. Cork or similar gaskets for 12" drivers?

    Started by Riley Casey, 11-21-2020 12:46 PM
    • Replies: 2
    • Views: 88
    11-22-2020, 03:38 AM Go to last post
  6. LE5-12 Polarity

    Started by DonR, 11-16-2020 09:43 PM
    • Replies: 14
    • Views: 384
    11-20-2020, 01:05 AM Go to last post
  7. JBL 2344 vs 2370. Stiff sounding?

    Started by retro soulman, 10-04-2020 09:46 AM
    • Replies: 6
    • Views: 1,149
    11-18-2020, 12:12 PM Go to last post
  8. How to create a »new« 2235H?

    Started by Kay Pirinha, 02-19-2019 08:11 AM
    • Replies: 6
    • Views: 2,731
    11-15-2020, 12:42 PM Go to last post
  9. Mounting Screws for a 2241

    Started by toddalin, 11-09-2020 05:45 PM
    • Replies: 5
    • Views: 328
    11-14-2020, 10:34 PM Go to last post
  10. 066 Tweeter dome issue

    Started by Longjohn, 11-09-2020 11:53 PM
    • Replies: 9
    • Views: 520
    11-14-2020, 03:59 AM Go to last post
  11. L 200 XO options

    Started by highcut28, 10-29-2020 06:28 PM
    • Replies: 7
    • Views: 761
    11-13-2020, 07:52 PM Go to last post
  12. Input regarding the N110A

    Started by Scooter, 03-17-2005 04:56 AM
    2 Pages
    1 2
    • Replies: 15
    • Views: 7,687
    11-10-2020, 02:00 PM Go to last post
  13. Carmel 838A Intermittent Horn

    Started by mhershey84, 11-07-2020 11:37 AM
    • Replies: 4
    • Views: 317
    11-09-2020, 10:34 AM Go to last post
  14. JBL L110A comparing to JBL L100, L26, L19A

    Started by vrobec, 09-08-2020 04:11 AM
    • Replies: 9
    • Views: 1,202
    11-06-2020, 05:09 AM Go to last post
  15. JBL LX8 Dividing Network Schematic

    Started by bedrock602, 10-29-2020 10:11 AM
    • Replies: 2
    • Views: 349
    10-29-2020, 05:01 PM Go to last post
  16. Question Do dual-driver midbass horns have lobing issues?

    Started by rubjel, 09-24-2020 08:38 AM
    2 Pages
    1 2
    • Replies: 19
    • Views: 2,393
    10-27-2020, 12:17 PM Go to last post
  17. Altec 604 8G and 604 8K throat sizes.

    Started by eso, 09-16-2020 09:14 AM
    • Replies: 7
    • Views: 1,340
    10-20-2020, 01:12 PM Go to last post
  18. Charge Coupled Crossover

    Started by 1audiohack, 11-09-2007 09:34 PM
    6 Pages
    1 2 3 4 5 ... 6
    • Replies: 76
    • Views: 54,180
    10-16-2020, 11:06 PM Go to last post
  19. D 130 recone

    Started by Triumph Don, 09-30-2020 06:51 PM
    • Replies: 4
    • Views: 792
    10-03-2020, 05:25 PM Go to last post
  20. 2426j Vs 2427j ?

    Started by macaroonie, 09-28-2020 09:56 AM
    • Replies: 3
    • Views: 618
    09-28-2020, 10:42 AM Go to last post
  21. JBL D140R Thiele Small parameters ???

    Started by iskesha, 02-05-2019 04:35 AM
    • Replies: 3
    • Views: 1,599
    09-27-2020, 01:17 PM Go to last post
  22. Jbl hla 4897

    Started by hlaari, 05-23-2019 04:38 PM
    2 Pages
    1 2
    • Replies: 15
    • Views: 4,226
    09-23-2020, 01:25 PM Go to last post
  23. JBL 5235 crossover cards !

    Started by retro soulman, 09-20-2020 09:31 AM
    • Replies: 5
    • Views: 897
    09-23-2020, 10:00 AM Go to last post
  24. L300A - 136H vs 2235H

    Started by SaturationPt, 09-22-2020 08:43 AM
    • Replies: 8
    • Views: 976
    09-22-2020, 06:21 PM Go to last post
  25. 299 spade terminal

    Started by adrian welch, 09-12-2020 09:07 PM
    • Replies: 1
    • Views: 740
    09-13-2020, 03:17 AM Go to last post

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