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Forum: Discrete LP Formats (CD-4,UD-4)

Land of the Quadradisc

  1.   Sticky Threads  

  2. Exclamation Sticky Thread Sticky: Lou Dorren: A new CD-4 Demodulator!!! [ARCHIVE]

    Started by loudorren, 12-29-2007 06:44 AM
    49 Pages
    1 2 3 4 5 ... 49
    • Replies: 1,217
    • Views: 325,131
    09-20-2017, 05:11 AM Go to last post
  3. Post Sticky Thread Sticky: Lou Dorren: 2007 CD-4 Papers (5)

    Started by JonUrban, 02-10-2017 01:33 AM
    • Replies: 3
    • Views: 1,359
    02-17-2017, 10:52 PM Go to last post
  4. Sticky Thread Sticky: Official QQ "What's your Go-To Surround Demo Quality CD-4 LP"?

    Started by JonUrban, 07-19-2010 09:59 PM
    2 Pages
    1 2
    • Replies: 32
    • Views: 13,355
    03-14-2014, 11:14 PM Go to last post
  5.   Normal Threads  

  1. Involve CD4....Is there any life in it????

    Started by chucky3042, 08-16-2015 01:14 PM
    14 Pages
    1 2 3 4 5 ... 14
    • Replies: 349
    • Views: 60,669
    Today, 12:15 AM Go to last post
  2. Question Elvis Presley Quad LPs - Are the mixes worth it?

    Started by Simon A, 02-02-2016 10:05 PM
    • Replies: 9
    • Views: 2,778
    02-17-2018, 08:32 AM Go to last post
  3. The Godfather OST Jap CD-4

    Started by PodCat, 06-30-2010 01:51 PM
    • Replies: 5
    • Views: 1,231
    02-11-2018, 10:20 AM Go to last post
  4. JVC CD-4 demodulator 4DD-10

    Started by Manimarco, 02-02-2018 08:32 PM
    • Replies: 9
    • Views: 332
    02-07-2018, 03:24 AM Go to last post
  5. What's the Latest DISCRETE Quad LP Added to Your Pile? CD-4, UD-4

    Started by Quad Linda, 09-08-2011 05:51 PM
    30 Pages
    1 2 3 4 5 ... 30
    • Replies: 749
    • Views: 124,180
    02-03-2018, 10:19 PM Go to last post
    • Replies: 22
    • Views: 866
    01-28-2018, 06:50 AM Go to last post
  6. CD-4 and Audio Technica turntables

    Started by kfbkfb, 01-21-2018 02:17 AM
    • Replies: 1
    • Views: 137
    01-21-2018, 06:56 PM Go to last post
    • Replies: 21
    • Views: 2,012
    01-15-2018, 12:01 AM Go to last post
  7. Victor CD4-10 "Studio" Mods

    Started by jwb474, 05-30-2016 01:10 PM
    2 Pages
    1 2
    • Replies: 37
    • Views: 5,931
    12-31-2017, 10:02 PM Go to last post
  8. Here's an oddity! Japan CD-4 - USA GRT Q8

    Started by Q-Eight, 12-03-2017 08:27 AM
    • Replies: 4
    • Views: 430
    12-31-2017, 05:05 AM Go to last post
  9. CD 4 Distortion

    Started by The Bushmaster, 06-18-2016 04:22 AM
    2 Pages
    1 2
    • Replies: 36
    • Views: 6,562
    12-28-2017, 04:27 PM Go to last post
  10. Marantz 400 vs. 400B

    Started by n8nagel, 11-11-2017 06:32 PM
    • Replies: 7
    • Views: 785
    12-07-2017, 02:39 AM Go to last post
  11. CD-4 Discrete original to digital

    Started by Mark Penn, 10-15-2017 09:30 PM
    • Replies: 6
    • Views: 680
    10-17-2017, 05:06 AM Go to last post
  12. Sandpaper CD-4

    Started by Xdevo1973, 09-29-2017 01:38 AM
    • Replies: 10
    • Views: 1,026
    10-14-2017, 09:56 PM Go to last post
    • Replies: 5
    • Views: 745
    09-11-2017, 11:30 PM Go to last post
  13. Technics Semiconductor cartridges

    Started by rolvkarsten, 07-29-2009 12:42 AM
    • Replies: 7
    • Views: 4,825
    09-01-2017, 05:07 PM Go to last post
  14. Some cd-4 questions for the experts.

    Started by quattro64, 06-07-2017 05:07 PM
    • Replies: 10
    • Views: 1,183
    09-01-2017, 12:49 AM Go to last post
  15. CD-4 Signal drop

    Started by CharlesLovesQuad, 08-05-2017 08:45 PM
    • Replies: 2
    • Views: 417
    08-08-2017, 02:38 AM Go to last post
  16. Exclamation Lou Dorren on his CD-4 45rpm record, and FM Quadraplex

    Started by loudorren, 08-30-2007 02:32 AM
    5 Pages
    1 2 3 4 5
    • Replies: 123
    • Views: 55,718
    07-15-2017, 11:33 PM Go to last post
  17. Sansuis for CD4..Good, Bad, or Ugly?

    Started by John Svensson, 07-06-2017 11:46 AM
    • Replies: 7
    • Views: 707
    07-10-2017, 06:37 PM Go to last post
  18. Hey CD-4 cartridge experts!

    Started by bangsezmax, 04-12-2013 07:18 PM
    • Replies: 19
    • Views: 5,246
    07-01-2017, 10:35 PM Go to last post
  19. CD4-1000 - where are the other 48 units?

    Started by vinylguy4, 10-10-2009 04:57 AM
    2 Pages
    1 2
    • Replies: 26
    • Views: 3,782
    06-29-2017, 10:58 AM Go to last post

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