Page 1 of 267 1231151101 ... LastLast
Threads 1 to 25 of 6672

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 08:01 PM
    • Replies: 7
    • Views: 1,111
    08-08-2019, 05:30 AM Go to last post
  2. Sticky Thread Sticky: 4340 & 4341 references thread

    Started by hjames, 05-11-2007 04:40 PM
    2 Pages
    1 2
    • Replies: 16
    • Views: 33,299
    06-11-2016, 12:00 PM Go to last post
  3. 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: 106,335
    06-24-2015, 09:05 AM Go to last post
  4. Sticky Thread Sticky: 4343 References Thread

    Started by hjames, 05-30-2007 05:01 PM
    2 Pages
    1 2
    • Replies: 15
    • Views: 54,376
    10-30-2012, 11:35 PM Go to last post
  5. Thumbs up Sticky Thread Sticky: JBL Technical Information - Links

    Started by boputnam, 02-06-2008 12:34 AM
    • Replies: 1
    • Views: 26,255
    08-05-2008, 06:54 AM Go to last post
  6. Sticky Thread Sticky: READ ME - Forum Rules

    Started by Don McRitchie, 06-28-2004 07:27 AM
    • Replies: 2
    • Views: 22,425
    10-20-2006, 02:48 AM Go to last post
  1. 2216 nd1’s In L300s

    Started by Bluegrassmaven, 08-13-2019 05:04 PM
    2 Pages
    1 2
    • Replies: 21
    • Views: 663
    Today, 08:49 AM Go to last post
  2. Does charge coupling really work?

    Started by Kay Pirinha, Today 07:30 AM
    • Replies: 0
    • Views: 27
    Today, 07:30 AM Go to last post
  3. is it a 2123H or J

    Started by kartsmart, 08-18-2019 06:52 AM
    • Replies: 5
    • Views: 125
    Today, 05:06 AM Go to last post
  4. How to determine proper JBL polarity

    Started by Eric M., Yesterday 02:52 PM
    • Replies: 2
    • Views: 46
    Today, 04:58 AM Go to last post
  5. Please help with 128H's in L150A's. :)

    Started by DerekTheGreat, 07-12-2019 05:29 AM
    7 Pages
    1 2 3 4 5 ... 7
    • Replies: 99
    • Views: 2,883
    Today, 04:52 AM Go to last post
  6. JBL 4311B Control Monitor Polarity Confusion

    Started by Thrifty HiFi, 05-29-2019 07:23 PM
    2 Pages
    1 2
    • Replies: 20
    • Views: 1,419
    Yesterday, 06:53 PM Go to last post
  7. JBL Blueprints.....

    Started by Daddyo1935, Yesterday 05:49 AM
    • Replies: 0
    • Views: 32
    Yesterday, 05:49 AM Go to last post
  8. Question JBL L-45 Flair (S4 Loaded)

    Started by Steve w/cheeks, 08-21-2012 05:32 AM
    • Replies: 2
    • Views: 4,305
    08-18-2019, 06:43 AM Go to last post
  9. 5234A card identification

    Started by quindecima, 08-13-2019 06:44 PM
    • Replies: 2
    • Views: 99
    08-16-2019, 04:01 PM Go to last post
  10. Poll Poll: More Help with L150A's: Tweeter & Crossover Swap Advice Wanted

    Started by DerekTheGreat, 08-02-2019 03:32 AM
    2 Pages
    1 2
    • Replies: 23
    • Views: 590
    08-12-2019, 04:16 AM Go to last post
  11. Replace throat 2440 / 2441 in this way?

    Started by Richard Long, 08-05-2019 04:17 AM
    throat 2441 replace
    • Replies: 2
    • Views: 193
    08-10-2019, 03:42 AM Go to last post
  12. JBL 123A-1 recone

    Started by bobcoaudio, 08-08-2019 10:34 AM
    • Replies: 1
    • Views: 92
    08-08-2019, 10:48 AM Go to last post
  13. Ethyl Merman Crossover Schematic

    Started by toddalin, 05-01-2019 05:09 PM
    • Replies: 12
    • Views: 1,051
    08-05-2019, 10:53 PM Go to last post
  14. DR8044TI Diaphragm NOS

    Started by robertg, 07-31-2019 02:43 PM
    • Replies: 3
    • Views: 176
    08-01-2019, 08:58 PM Go to last post
  15. LE15 repair/restoration

    Started by budney, 07-24-2019 10:00 AM
    2 Pages
    1 2
    • Replies: 17
    • Views: 736
    08-01-2019, 11:14 AM Go to last post
  16. Dust Cap in or Out?

    Started by mbd7, 06-12-2006 06:52 PM
    2 Pages
    1 2
    • Replies: 15
    • Views: 8,399
    08-01-2019, 04:07 AM Go to last post
  17. JBL L212 LPAD help

    Started by dj7675, 07-28-2019 07:26 AM
    • Replies: 3
    • Views: 207
    07-28-2019, 08:21 AM Go to last post
  18. Do I need to replace a diaphragm?

    Started by Bozo73, 07-26-2019 06:21 AM
    • Replies: 3
    • Views: 203
    07-26-2019, 04:11 PM Go to last post
  19. 4343 crossover modifications

    Started by jeph, 12-22-2003 07:02 AM
    35 Pages
    1 2 3 4 5 ... 35
    • Replies: 514
    • Views: 203,295
    07-25-2019, 08:36 PM Go to last post
  20. Replacement diaphragm options for 2425J

    Started by BMWCCA, 07-21-2019 06:20 AM
    • Replies: 12
    • Views: 446
    07-22-2019, 05:05 PM Go to last post
  21. Building a speaker system from bottom up

    Started by mortron, 06-26-2019 09:44 AM
    • Replies: 12
    • Views: 800
    07-20-2019, 02:43 PM Go to last post
    • Replies: 8
    • Views: 528
    07-20-2019, 05:57 AM Go to last post
  22. Altec Malibu's In The House !

    Started by Malibu, 07-07-2019 04:54 PM
    • Replies: 12
    • Views: 641
    07-13-2019, 05:03 PM Go to last post
  23. D8r435al-1

    Started by rdgrimes, 07-11-2019 04:48 AM
    • Replies: 4
    • Views: 273
    07-11-2019, 09:06 AM Go to last post
  24. Altec N3000-E repair help

    Started by Drugolf, 06-30-2019 11:57 AM
    • Replies: 2
    • Views: 289
    07-09-2019, 07:35 AM Go to last post

Forum Information and Options

Users Browsing this Forum

There are currently 22 users browsing this forum. (0 members & 22 guests)

Thread Display Options

Use this control to limit the display of threads to those newer than the specified time frame.

Allows you to choose the data by which the thread list will be sorted.

Order threads in...

Note: when sorting by date, 'descending order' will show the newest results first.

Icon Legend

Contains unread posts
Contains unread posts
Contains no unread posts
Contains no unread posts
More than 25 replies or 500 views
Hot thread with unread posts
More than 25 replies or 500 views
Hot thread with no unread posts
Closed Thread
Thread is closed
Thread Contains a Message Written By You
You have posted in this thread

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •