Page 1 of 267 1231151101 ... LastLast
Threads 1 to 25 of 6674

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: 9
    • Views: 1,190
    08-22-2019, 07:50 PM 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: 33,352
    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: 106,419
    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: 54,435
    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: 26,282
    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: 22,450
    10-20-2006, 02:48 AM Go to last post
    • Replies: 0
    • Views: 20
    Today, 12:27 PM Go to last post
  1. Does charge coupling really work?

    Started by Kay Pirinha, 08-21-2019 07:30 AM
    • Replies: 2
    • Views: 177
    Yesterday, 10:37 PM Go to last post
  2. How to determine proper JBL polarity

    Started by Eric M., 08-20-2019 02:52 PM
    2 Pages
    1 2
    • Replies: 17
    • Views: 304
    Yesterday, 02:18 PM Go to last post
  3. is it a 2123H or J

    Started by kartsmart, 08-18-2019 06:52 AM
    • Replies: 6
    • Views: 218
    Yesterday, 06:27 AM Go to last post
  4. Jbl 4429 and MAC6700

    Started by NEWYORKER, 08-21-2019 07:45 PM
    • Replies: 3
    • Views: 122
    08-22-2019, 07:33 PM Go to last post
  5. 2216 nd1’s In L300s

    Started by Bluegrassmaven, 08-13-2019 05:04 PM
    2 Pages
    1 2
    • Replies: 24
    • Views: 845
    08-22-2019, 04:07 PM Go to last post
  6. 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: 3,243
    08-21-2019, 04:52 AM Go to last post
  7. JBL 4311B Control Monitor Polarity Confusion

    Started by Thrifty HiFi, 05-29-2019 07:23 PM
    2 Pages
    1 2
    • Replies: 20
    • Views: 1,523
    08-20-2019, 06:53 PM Go to last post
  8. JBL Blueprints.....

    Started by Daddyo1935, 08-20-2019 05:49 AM
    • Replies: 0
    • Views: 57
    08-20-2019, 05:49 AM Go to last post
  9. Question JBL L-45 Flair (S4 Loaded)

    Started by Steve w/cheeks, 08-21-2012 05:32 AM
    • Replies: 2
    • Views: 4,326
    08-18-2019, 06:43 AM Go to last post
  10. 5234A card identification

    Started by quindecima, 08-13-2019 06:44 PM
    • Replies: 2
    • Views: 126
    08-16-2019, 04:01 PM Go to last post
  11. 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: 705
    08-12-2019, 04:16 AM Go to last post
  12. Replace throat 2440 / 2441 in this way?

    Started by Richard Long, 08-05-2019 04:17 AM
    throat 2441 replace
    • Replies: 2
    • Views: 216
    08-10-2019, 03:42 AM Go to last post
  13. JBL 123A-1 recone

    Started by bobcoaudio, 08-08-2019 10:34 AM
    • Replies: 1
    • Views: 114
    08-08-2019, 10:48 AM Go to last post
  14. Ethyl Merman Crossover Schematic

    Started by toddalin, 05-01-2019 05:09 PM
    • Replies: 12
    • Views: 1,073
    08-05-2019, 10:53 PM Go to last post
  15. DR8044TI Diaphragm NOS

    Started by robertg, 07-31-2019 02:43 PM
    • Replies: 3
    • Views: 194
    08-01-2019, 08:58 PM Go to last post
  16. LE15 repair/restoration

    Started by budney, 07-24-2019 10:00 AM
    2 Pages
    1 2
    • Replies: 17
    • Views: 796
    08-01-2019, 11:14 AM Go to last post
  17. Dust Cap in or Out?

    Started by mbd7, 06-12-2006 06:52 PM
    2 Pages
    1 2
    • Replies: 15
    • Views: 8,418
    08-01-2019, 04:07 AM Go to last post
  18. JBL L212 LPAD help

    Started by dj7675, 07-28-2019 07:26 AM
    • Replies: 3
    • Views: 225
    07-28-2019, 08:21 AM Go to last post
  19. Do I need to replace a diaphragm?

    Started by Bozo73, 07-26-2019 06:21 AM
    • Replies: 3
    • Views: 220
    07-26-2019, 04:11 PM Go to last post
  20. 4343 crossover modifications

    Started by jeph, 12-22-2003 07:02 AM
    35 Pages
    1 2 3 4 5 ... 35
    • Replies: 514
    • Views: 203,548
    07-25-2019, 08:36 PM Go to last post
  21. Replacement diaphragm options for 2425J

    Started by BMWCCA, 07-21-2019 06:20 AM
    • Replies: 12
    • Views: 468
    07-22-2019, 05:05 PM Go to last post
  22. Building a speaker system from bottom up

    Started by mortron, 06-26-2019 09:44 AM
    • Replies: 12
    • Views: 822
    07-20-2019, 02:43 PM Go to last post
    • Replies: 8
    • Views: 546
    07-20-2019, 05:57 AM Go to last post
  23. Altec Malibu's In The House !

    Started by Malibu, 07-07-2019 04:54 PM
    • Replies: 12
    • Views: 665
    07-13-2019, 05:03 PM Go to last post

Forum Information and Options

Users Browsing this Forum

There are currently 26 users browsing this forum. (1 members & 25 guests)

  1. macaroonie

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
  •