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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. 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: 240,072
    06-24-2015, 09:05 AM Go to last post
  2. Sticky Thread Sticky: 4343 References Thread

    Started by hjames, 05-30-2007 05:01 PM
    2 Pages
    1 2
    • Replies: 15
    • Views: 116,919
    10-30-2012, 11:35 PM Go to last post
  3. Sticky Thread Sticky: 4340 & 4341 references thread

    Started by hjames, 05-11-2007 04:40 PM
    2 Pages
    1 2
    • Replies: 16
    • Views: 85,861
    06-11-2016, 12:00 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: 57,984
    03-23-2021, 02:25 PM Go to last post
  5. Sticky Thread Sticky: READ ME - Forum Rules

    Started by Don McRitchie, 06-28-2004 07:27 AM
    • Replies: 4
    • Views: 54,721
    03-28-2021, 03:03 PM Go to last post
  6. Sticky Thread Sticky: Lansing-related Patent Parade

    Started by moldyoldy, 06-05-2007 01:33 AM
    3 Pages
    1 2 3
    • Replies: 34
    • Views: 53,303
    06-23-2007, 12:01 AM Go to last post
  7. Sticky Thread Sticky: JBL Technical Notes - LOT'S of them!!!

    Started by DogBox, 06-19-2019 08:01 PM
    • Replies: 9
    • Views: 37,904
    08-22-2019, 07:50 PM Go to last post
  8. 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: 18,812
    05-20-2022, 05:33 PM Go to last post
  9. Sticky Thread Sticky: Speaker Frame and Cone Kit Compatability

    Started by Robh3606, 03-11-2024 09:04 AM
    • Replies: 0
    • Views: 970
    03-11-2024, 09:04 AM Go to last post
  1. 4343 crossover modifications

    Started by jeph, 12-22-2003 08:02 AM
    35 Pages
    1 2 3 4 5 ... 35
    • Replies: 514
    • Views: 472,797
    07-25-2019, 08:36 PM Go to last post
  2. Ring Radiator Comparisons

    Started by Mr. Widget, 06-23-2005 12:14 AM
    19 Pages
    1 2 3 4 5 ... 19
    • Replies: 279
    • Views: 453,809
    11-03-2022, 08:53 AM Go to last post
  3. 4628B curve for Zilch

    Started by johnaec, 09-18-2004 05:39 PM
    8 Pages
    1 2 3 4 5 ... 8
    • Replies: 112
    • Views: 310,102
    02-14-2012, 05:01 AM Go to last post
  4. Looky What I just got - 4341 Monitors

    Started by hjames, 05-05-2007 03:08 PM
    19 Pages
    1 2 3 4 5 ... 19
    • Replies: 270
    • Views: 199,887
    03-08-2013, 07:19 PM Go to last post
  5. Piano Black Finish - Cleaning and Restoration

    Started by Uncle Paul, 10-10-2009 08:13 PM
    2 Pages
    1 2
    • Replies: 15
    • Views: 189,620
    11-12-2009, 08:27 PM Go to last post
  6. JBL D120 reproductions

    Started by horseshead, 04-24-2006 07:23 AM
    10 Pages
    1 2 3 4 5 ... 10
    • Replies: 139
    • Views: 161,178
    03-25-2009, 09:23 AM Go to last post
  7. 2450 Dia

    Started by paragon, 10-11-2004 09:40 AM
    7 Pages
    1 2 3 4 5 ... 7
    • Replies: 99
    • Views: 139,029
    09-29-2010, 03:47 PM Go to last post
  8. Horn/Driver Comparisons

    Started by Mr. Widget, 05-29-2005 01:33 AM
    9 Pages
    1 2 3 4 5 ... 9
    • Replies: 124
    • Views: 136,097
    07-08-2008, 10:29 PM Go to last post
  9. Please help with 128H's in L150A's. :)

    Started by DerekTheGreat, 07-12-2019 05:29 AM
    8 Pages
    1 2 3 4 5 ... 8
    • Replies: 115
    • Views: 125,879
    01-26-2020, 03:23 PM Go to last post
  10. Does anyone know anything about IMAX speakers?

    Started by Woofer, 03-05-2013 07:03 PM
    7 Pages
    1 2 3 4 5 ... 7
    • Replies: 95
    • Views: 118,486
    08-02-2016, 06:10 PM Go to last post
  11. Capacitors...

    Started by lpd, 08-24-2003 10:00 PM
    10 Pages
    1 2 3 4 5 ... 10
    • Replies: 145
    • Views: 116,887
    06-14-2007, 07:16 AM Go to last post
  12. D2430K compression driver information?

    Started by Dave Zan, 08-23-2012 10:45 PM
    6 Pages
    1 2 3 4 5 ... 6
    • Replies: 83
    • Views: 114,567
    02-17-2024, 03:54 AM Go to last post
  13. Urei 813b project

    Started by Charles0322, 02-08-2008 08:01 AM
    6 Pages
    1 2 3 4 5 ... 6
    • Replies: 81
    • Views: 108,708
    03-18-2013, 05:27 PM Go to last post
  14. jbl 2245 H

    Started by gene, 01-11-2006 07:23 PM
    8 Pages
    1 2 3 4 5 ... 8
    • Replies: 105
    • Views: 103,781
    08-28-2012, 01:11 AM Go to last post
  15. 435BE vs 2435HPL

    Started by norealtalent, 08-04-2005 04:39 PM
    8 Pages
    1 2 3 4 5 ... 8
    • Replies: 110
    • Views: 103,611
    10-31-2007, 02:38 AM Go to last post
  16. Field Guide to the JBL 10 inch Midbass driver 2121 2122 2123

    Started by hjames, 05-31-2007 07:11 PM
    3 Pages
    1 2 3
    • Replies: 35
    • Views: 101,156
    06-22-2021, 11:49 AM Go to last post
  17. Recharging Alnico/Ferrite magnets

    Started by magger, 04-10-2006 03:34 PM
    6 Pages
    1 2 3 4 5 ... 6
    • Replies: 84
    • Views: 100,522
    07-03-2015, 02:19 AM 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: 91,732
    10-16-2020, 10:06 PM Go to last post
  19. JBL 4343 rebuild and configuration project

    Started by Fangio, 01-20-2006 12:30 PM
    6 Pages
    1 2 3 4 5 ... 6
    • Replies: 78
    • Views: 91,485
    06-16-2011, 09:03 PM Go to last post
  20. Sub1500 problem

    Started by jcdahl, 06-08-2004 10:40 PM
    9 Pages
    1 2 3 4 5 ... 9
    • Replies: 130
    • Views: 90,814
    01-04-2013, 04:09 PM Go to last post
  21. 2123H vs 2122H in a 4343 monitor

    Started by subwoof, 09-10-2003 11:47 AM
    6 Pages
    1 2 3 4 5 ... 6
    • Replies: 87
    • Views: 88,138
    11-24-2006, 08:30 PM Go to last post
  22. D2415k

    Started by pos, 03-14-2014 03:22 AM
    5 Pages
    1 2 3 4 5
    • Replies: 73
    • Views: 87,467
    05-14-2023, 12:54 PM Go to last post
  23. Difference between the D series & K series JBL speakers?

    Started by tWreCK, 12-12-2003 08:41 AM
    3 Pages
    1 2 3
    • Replies: 36
    • Views: 86,097
    01-24-2016, 02:51 PM Go to last post
  24. Does charge coupling really work?

    Started by Kay Pirinha, 08-21-2019 07:30 AM
    5 Pages
    1 2 3 4 5
    • Replies: 73
    • Views: 84,648
    09-25-2019, 07:59 AM Go to last post
  25. Ultimate Large Format JBL System

    Started by Ken Pachkowsky, 08-25-2003 08:54 PM
    4 Pages
    1 2 3 4
    • Replies: 55
    • Views: 83,212
    03-10-2005, 08:13 PM Go to last post

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