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Threads 1 to 30 of 83

Forum: Tubes and Retro

Ideas and designs keeping the classic electronics alive.

  1. Sticky Thread Sticky: Read before you post requests or upload e-books

    Started by pranam77, 25th November 2009 16:07
    • Replies: 0
    • Views: 15,832
    pranam77
    25th November 2009, 16:07 Go to last post

  1. Tube filaments on 230v? What do I need to know?

    Started by neazoi, 13th May 2019 23:36
    • Replies: 19
    • Views: 648
    neazoi
    20th May 2019, 08:41 Go to last post

  2. Looking for older LED's or Solid State Lamps

    Started by brightlightdude, 1st March 2019 23:17
    3 Attachment(s)
    • Replies: 2
    • Views: 979
    schmitt trigger
    13th May 2019, 15:29 Go to last post

  3. Help Needed to repair a CRT + pictures and info about the problem.

    Started by siXence, 4th March 2019 03:48
    2 Pages •
    1 2
    7 Attachment(s)
    • Replies: 22
    • Views: 4,232
    siXence
    24th March 2019, 18:16 Go to last post

  4. Having fun with discrete transistors

    Started by schmitt trigger, 11th January 2019 17:44
    3 Attachment(s)
    • Replies: 7
    • Views: 3,217
    betwixt
    15th January 2019, 10:44 Go to last post

  5. Closed: Nostalgia thread, did you work with Selenium rectifiers?

    Started by schmitt trigger, 11th October 2018 23:28
    1 Attachment(s)
    • Replies: 6
    • Views: 4,565
    betwixt
    12th October 2018, 17:10 Go to last post

  6. Closed: What is the differences between these FBT models?!!

    Started by freefall80, 7th September 2018 00:33
    • Replies: 0
    • Views: 1,764
    freefall80
    7th September 2018, 00:33 Go to last post

  7. Closed: Flyback replacement advice for LG 29" crt TV

    Started by freefall80, 22nd August 2018 05:23
    • Replies: 6
    • Views: 2,415
    freefall80
    22nd August 2018, 16:21 Go to last post

  8. Closed: transform simple low voltage OTL tube amp into lower impedance by paralleling tubes

    Started by neazoi, 19th June 2018 14:53
    • Replies: 2
    • Views: 3,735
    betwixt
    19th June 2018, 19:19 Go to last post

  9. Closed: German V1 and V2 control systems and electronics discussion

    Started by schmitt trigger, 12th January 2018 15:34
    • Replies: 7
    • Views: 8,867
    Nik_2213
    12th June 2018, 20:24 Go to last post

  10. Closed: Beyond Dekatrons: Beam Deflection counter tube

    Started by schmitt trigger, 22nd April 2018 23:33
    • Replies: 0
    • Views: 2,889
    schmitt trigger
    22nd April 2018, 23:33 Go to last post

  11. Closed: ИH-9 NIXIE BARGRAPH TUBE Russian language datasheet (Can anyone translate?)

    Started by schmitt trigger, 12th June 2017 20:44
    2 Attachment(s)
    • Replies: 11
    • Views: 52,518
    c_mitra
    1st November 2017, 17:43 Go to last post

  12. Moved: Russian IC DATASHEET

    Started by rsm9692, 12th August 2017 12:23
    •  
    •  

  13. Closed: Help to identify devices by photos

    Started by fade2black, 7th April 2017 12:30
    • Replies: 4
    • Views: 21,863
    schmitt trigger
    5th June 2017, 14:16 Go to last post

  14. Closed: Looking for RCA 225807 CRT datasheet and aplication circuit

    Started by TomWJT, 20th February 2017 17:46
    • Replies: 1
    • Views: 5,623
    TomWJT
    22nd February 2017, 14:41 Go to last post

  15. Closed: Playing with Nixies and Dekatrons

    Started by schmitt trigger, 3rd February 2017 15:10
    • Replies: 7
    • Views: 6,780
    schmitt trigger
    22nd February 2017, 04:50 Go to last post

  16. Closed: Using triode tubes as diode tubes for rectification

    Started by neazoi, 15th February 2017 13:58
    2 Attachment(s)
    • Replies: 5
    • Views: 7,285
    schmitt trigger
    16th February 2017, 21:46 Go to last post

  17. Closed: Xenon flash tube triggers from atmopheric radiation?

    Started by treez, 3rd December 2016 20:03
    • Replies: 5
    • Views: 6,446
    pjmelect
    5th December 2016, 03:03 Go to last post

  18. Closed: What is this in CRT Vacuum tube?

    Started by RETGT, 3rd December 2016 11:17
    2 Attachment(s)
    • Replies: 3
    • Views: 5,772
    schmitt trigger
    4th December 2016, 18:08 Go to last post

  19. Closed: PL504 instead of 6dq6 in transmitter

    Started by neazoi, 25th October 2016 09:35
    1 Attachment(s)
    • Replies: 2
    • Views: 5,969
    FvM
    25th October 2016, 10:29 Go to last post

  20. Closed: Power tetrode/pentode tube with internal triode?

    Started by neazoi, 3rd October 2016 08:01
    • Replies: 8
    • Views: 7,259
    betwixt
    5th October 2016, 09:04 Go to last post

  21. Closed: Beginner question about experimenting with tubes

    Started by I14R10, 14th August 2016 21:26
    2 Pages •
    1 2
    • Replies: 38
    • Views: 12,297
    c_mitra
    8th September 2016, 06:03 Go to last post

  22. Closed: Vintage Elka Reverb III

    Started by waltom, 5th July 2016 16:37
    10 Attachment(s)
    • Replies: 11
    • Views: 8,201
    Satchmoeddie
    10th July 2016, 02:38 Go to last post

  23. Closed: bsc25 0299d equivalent

    Started by eagle1109, 11th June 2016 20:37
    • Replies: 1
    • Views: 6,039
    schmitt trigger
    8th July 2016, 00:51 Go to last post

  24. Closed: How CRT screen work?

    Started by RITESH KAKKAR, 9th June 2016 09:28
    • Replies: 2
    • Views: 5,815
    chuckey
    9th June 2016, 19:27 Go to last post

  25. Closed: Clicking sound in CRT TV, any speculations of what's the problem?

    Started by eagle1109, 12th April 2016 00:07
    2 Pages •
    1 2
    6 Attachment(s)
    • Replies: 29
    • Views: 14,887
    eagle1109
    29th May 2016, 15:10 Go to last post

  26. Closed: Insulating glove from tube amp building

    Started by sabahan, 11th May 2016 08:27
    • Replies: 3
    • Views: 6,081
    sabahan
    12th May 2016, 06:17 Go to last post

  27. Closed: VGA Signal 1280 x 1024 @ 75 Hz at slow rate

    Started by bilal_oct, 5th May 2016 19:04
    1 Attachment(s)
    • Replies: 5
    • Views: 6,624
    Warpspeed
    6th May 2016, 23:20 Go to last post

  28. [SOLVED]Closed: Frame rate of a screen

    Started by bilal_oct, 4th May 2016 22:08
    • Replies: 5
    • Views: 6,438
    Warpspeed
    5th May 2016, 22:29 Go to last post

  29. Closed: Slide Rules vs Scientific Calculators.

    Started by schmitt trigger, 22nd April 2016 13:55
    • Replies: 11
    • Views: 8,344
    schmitt trigger
    27th April 2016, 15:02 Go to last post

  30. Closed: Landlinel Telephone Voltage vs Cassette Answering Machine

    Started by Analogue23, 31st March 2016 20:00
    • Replies: 7
    • Views: 7,416
    Analogue23
    6th April 2016, 05:42 Go to last post
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