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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
    12 Attachment(s)
    • Replies: 51
    • Views: 239,132
    10 Watt Street
    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
    12 Attachment(s)
    • Replies: 15
    • Views: 116,382
    DogBox
    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
    14 Attachment(s)
    • Replies: 16
    • Views: 85,664
    hjames
    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: 57,649
    RMC
    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
    1 Attachment(s)
    • Replies: 4
    • Views: 54,358
    Mr. Widget
    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
    5 Attachment(s)
    • Replies: 34
    • Views: 52,783
    Steve Schell
    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: 37,541
    DogBox
    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
    36 Attachment(s)
    • Replies: 25
    • Views: 18,411
    engineerjoe
    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
    1 Attachment(s)
    • Replies: 0
    • Views: 958
    Robh3606
    03-11-2024, 09:04 AM Go to last post

  1. 4320 Project

    Started by hjames, 03-08-2006 11:09 AM
    6 Pages •
    1 2 3 4 5 ... 6
    27 Attachment(s)
    • Replies: 81
    • Views: 81,019
    ritchie
    02-14-2015, 05:23 AM Go to last post

  2. JBL 375 vs 2441?

    Started by tv506, 10-06-2003 03:05 PM
    3 Pages •
    1 2 3
    • Replies: 30
    • Views: 80,879
    pocketchange
    06-22-2011, 06:55 AM Go to last post

  3. Underpowering JBL 250TIs....??

    Started by Storm, 07-25-2007 08:58 PM
    8 Pages •
    1 2 3 4 5 ... 8
    2 Attachment(s)
    • Replies: 108
    • Views: 80,002
    grumpy
    08-09-2007, 02:02 PM Go to last post

  4. 4345 4355 networks

    Started by kartsmart, 01-14-2012 11:12 AM
    6 Pages •
    1 2 3 4 5 ... 6
    7 Attachment(s)
    • Replies: 83
    • Views: 79,670
    Mannermusic
    01-25-2017, 06:01 AM Go to last post

  5. Problems bi-amping 4430’s with 5235 Xover

    Started by Tony, 11-10-2008 08:48 PM
    4 Pages •
    1 2 3 4
    • Replies: 53
    • Views: 78,866
    4313B
    01-07-2009, 03:01 PM Go to last post

  6. Need help with bass response

    Started by invstbiker, 04-14-2006 07:12 PM
    10 Pages •
    1 2 3 4 5 ... 10
    12 Attachment(s)
    • Replies: 136
    • Views: 78,606
    boputnam
    05-11-2006, 02:06 PM Go to last post

  7. 275nd / S3100 compatibility

    Started by Bernard Wolf, 08-23-2005 05:12 AM
    6 Pages •
    1 2 3 4 5 ... 6
    14 Attachment(s)
    • Replies: 86
    • Views: 78,129
    Bernard Wolf
    09-05-2006, 05:48 PM Go to last post

  8. Dolly Gets a Face Lift! 4430s

    Started by Audiobeer, 09-29-2003 04:12 PM
    6 Pages •
    1 2 3 4 5 ... 6
    32 Attachment(s)
    • Replies: 89
    • Views: 78,015
    rcpmac
    10-25-2003, 01:19 AM Go to last post

  9. L250 -> 250Ti Upgrade and Differences

    Started by jblnut, 06-09-2003 12:49 PM
    4 Pages •
    1 2 3 4
    10 Attachment(s)
    • Replies: 46
    • Views: 77,254
    4313B
    04-22-2005, 02:29 AM Go to last post

  10. Harman Target Curve

    Started by srm51555, 12-07-2016 07:08 AM
    2 Pages •
    1 2
    7 Attachment(s)
    • Replies: 18
    • Views: 75,293
    bubbleboy76
    11-18-2017, 12:42 PM Go to last post

  11. JBL 2445_46 frq.response

    Started by ivica, 06-04-2010 07:59 AM
    6 Pages •
    1 2 3 4 5 ... 6
    30 Attachment(s)
    • Replies: 82
    • Views: 73,008
    Legis
    11-14-2012, 04:51 PM Go to last post

  12. E140 = 2225???

    Started by toddalin, 11-04-2005 11:48 AM
    5 Pages •
    1 2 3 4 5
    10 Attachment(s)
    • Replies: 71
    • Views: 71,103
    Robh3606
    01-23-2011, 06:49 AM Go to last post

  13. JBL L40 crossover schematic...

    Started by D@VID, 09-08-2003 12:38 PM
    2 Pages •
    1 2
    8 Attachment(s)
    • Replies: 25
    • Views: 70,311
    4313B
    04-04-2011, 05:06 AM Go to last post

  14. Question JBL 4311 behaviour: nomal or faulty units?

    Started by Malefoda, 08-17-2013 01:47 AM
    3 Pages •
    1 2 3
    4311, phase 8 Attachment(s)
    • Replies: 34
    • Views: 70,084
    Malefoda
    11-12-2013, 04:16 PM Go to last post

  15. JBL 4520 speaker replacement.

    Started by Tube Radio, 12-10-2016 08:41 PM
    6 Pages •
    1 2 3 4 5 ... 6
    • Replies: 87
    • Views: 69,240
    Tube Radio
    03-24-2017, 07:12 AM Go to last post

  16. L100T vs L100T3

    Started by duaneage, 11-01-2005 11:38 PM
    4 Pages •
    1 2 3 4
    6 Attachment(s)
    • Replies: 54
    • Views: 66,017
    JSF13
    09-18-2009, 03:40 PM Go to last post

  17. BX63 replacement?

    Started by dprice, 08-13-2003 07:32 PM
    4 Pages •
    1 2 3 4
    5 Attachment(s)
    • Replies: 48
    • Views: 63,425
    bldozier
    12-28-2017, 08:49 AM Go to last post

  18. JBL 4425 Questions : JBL 2416H vs. RAdian 1225-8

    Started by notengewirr, 10-29-2011 06:19 AM
    4 Pages •
    1 2 3 4
    21 Attachment(s)
    • Replies: 50
    • Views: 63,168
    notengewirr
    02-02-2014, 06:45 AM Go to last post

  19. Defect capacitor on JBL 4344 ??

    Started by Madien3388, 02-10-2009 11:26 AM
    6 Pages •
    1 2 3 4 5 ... 6
    22 Attachment(s)
    • Replies: 81
    • Views: 62,955
    Ian Mackenzie
    03-02-2009, 01:08 AM Go to last post

  20. Refurbishing a pair of 2440

    Started by more10, 09-22-2010 03:06 PM
    4 Pages •
    1 2 3 4
    2440, compression driver repair 42 Attachment(s)
    • Replies: 50
    • Views: 62,273
    more10
    11-14-2017, 01:12 PM Go to last post

  21. JBL 2240 vs 2241 vs 2242 vs 2245 (H)

    Started by Krycek, 09-09-2012 08:43 AM
    4 Pages •
    1 2 3 4
    4 Attachment(s)
    • Replies: 50
    • Views: 62,188
    Earl K
    08-30-2021, 11:50 AM Go to last post

  22. 2435?

    Started by Thom, 12-01-2006 10:31 AM
    5 Pages •
    1 2 3 4 5
    21 Attachment(s)
    • Replies: 73
    • Views: 61,930
    Jakob
    01-10-2008, 05:48 PM Go to last post

  23. B460 Subwoofer information

    Started by mbottz, 11-06-2005 06:10 PM
    5 Pages •
    1 2 3 4 5
    18 Attachment(s)
    • Replies: 73
    • Views: 61,446
    mech986
    04-01-2016, 05:34 AM Go to last post

  24. JBL Hartsfield

    Started by rugy, 02-02-2015 07:52 AM
    5 Pages •
    1 2 3 4 5
    16 Attachment(s)
    • Replies: 60
    • Views: 60,685
    Mr. Widget
    12-29-2016, 10:57 PM Go to last post

  25. Best JBL mod for Klipschorn?

    Started by xvtwin, 11-09-2004 04:14 PM
    3 Pages •
    1 2 3
    12 Attachment(s)
    • Replies: 42
    • Views: 60,389
    Earl K
    03-05-2005, 12:10 PM Go to last post
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