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Threads 1 to 30 of 80

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: 15,213
    pranam77
    25th November 2009, 16:07 Go to last post

  1. Having fun with discrete transistors

    Started by schmitt trigger, 11th January 2019 17:44
    3 Attachment(s)
    • Replies: 7
    • Views: 394
    betwixt
    Yesterday, 10:44 Go to last post

  2. Nostalgia thread, did you work with Selenium rectifiers?

    Started by schmitt trigger, 11th October 2018 23:28
    1 Attachment(s)
    • Replies: 6
    • Views: 3,840
    betwixt
    12th October 2018, 17:10 Go to last post

  3. What is the differences between these FBT models?!!

    Started by freefall80, 7th September 2018 00:33
    • Replies: 0
    • Views: 1,450
    freefall80
    7th September 2018, 00:33 Go to last post

  4. Flyback replacement advice for LG 29" crt TV

    Started by freefall80, 22nd August 2018 05:23
    • Replies: 6
    • Views: 1,751
    freefall80
    22nd August 2018, 16:21 Go to last post

  5. 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: 3,298
    betwixt
    19th June 2018, 19:19 Go to last post

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

    Started by schmitt trigger, 12th January 2018 15:34
    • Replies: 7
    • Views: 8,172
    Nik_2213
    12th June 2018, 20:24 Go to last post

  7. Closed: Beyond Dekatrons: Beam Deflection counter tube

    Started by schmitt trigger, 22nd April 2018 23:33
    • Replies: 0
    • Views: 2,612
    schmitt trigger
    22nd April 2018, 23:33 Go to last post

  8. 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: 51,400
    c_mitra
    1st November 2017, 17:43 Go to last post

  9. Moved: Russian IC DATASHEET

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

  10. Closed: Help to identify devices by photos

    Started by fade2black, 7th April 2017 12:30
    • Replies: 4
    • Views: 21,384
    schmitt trigger
    5th June 2017, 14:16 Go to last post

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

    Started by TomWJT, 20th February 2017 17:46
    • Replies: 1
    • Views: 5,363
    TomWJT
    22nd February 2017, 14:41 Go to last post

  12. Closed: Playing with Nixies and Dekatrons

    Started by schmitt trigger, 3rd February 2017 15:10
    • Replies: 7
    • Views: 6,191
    schmitt trigger
    22nd February 2017, 04:50 Go to last post

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

    Started by neazoi, 15th February 2017 13:58
    2 Attachment(s)
    • Replies: 5
    • Views: 6,676
    schmitt trigger
    16th February 2017, 21:46 Go to last post

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

    Started by treez, 3rd December 2016 20:03
    • Replies: 5
    • Views: 5,976
    pjmelect
    5th December 2016, 03:03 Go to last post

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

    Started by RETGT, 3rd December 2016 11:17
    2 Attachment(s)
    • Replies: 3
    • Views: 5,417
    schmitt trigger
    4th December 2016, 18:08 Go to last post

  16. Closed: PL504 instead of 6dq6 in transmitter

    Started by neazoi, 25th October 2016 09:35
    1 Attachment(s)
    • Replies: 2
    • Views: 5,638
    FvM
    25th October 2016, 10:29 Go to last post

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

    Started by neazoi, 3rd October 2016 08:01
    • Replies: 8
    • Views: 6,639
    betwixt
    5th October 2016, 09:04 Go to last post

  18. Closed: Beginner question about experimenting with tubes

    Started by I14R10, 14th August 2016 21:26
    2 Pages •
    1 2
    • Replies: 38
    • Views: 11,103
    c_mitra
    8th September 2016, 06:03 Go to last post

  19. Closed: Vintage Elka Reverb III

    Started by waltom, 5th July 2016 16:37
    10 Attachment(s)
    • Replies: 11
    • Views: 7,329
    Satchmoeddie
    10th July 2016, 02:38 Go to last post

  20. Closed: bsc25 0299d equivalent

    Started by eagle1109, 11th June 2016 20:37
    • Replies: 1
    • Views: 5,717
    schmitt trigger
    8th July 2016, 00:51 Go to last post

  21. Closed: How CRT screen work?

    Started by RITESH KAKKAR, 9th June 2016 09:28
    • Replies: 2
    • Views: 5,476
    chuckey
    9th June 2016, 19:27 Go to last post

  22. 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: 13,290
    eagle1109
    29th May 2016, 15:10 Go to last post

  23. Closed: Insulating glove from tube amp building

    Started by sabahan, 11th May 2016 08:27
    • Replies: 3
    • Views: 5,719
    sabahan
    12th May 2016, 06:17 Go to last post

  24. 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: 6,162
    Warpspeed
    6th May 2016, 23:20 Go to last post

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

    Started by bilal_oct, 4th May 2016 22:08
    • Replies: 5
    • Views: 5,990
    Warpspeed
    5th May 2016, 22:29 Go to last post

  26. Closed: Slide Rules vs Scientific Calculators.

    Started by schmitt trigger, 22nd April 2016 13:55
    • Replies: 11
    • Views: 7,498
    schmitt trigger
    27th April 2016, 15:02 Go to last post

  27. Closed: Landlinel Telephone Voltage vs Cassette Answering Machine

    Started by Analogue23, 31st March 2016 20:00
    • Replies: 7
    • Views: 6,853
    Analogue23
    6th April 2016, 05:42 Go to last post

  28. Closed: power switch on the volume control

    Started by schmitt trigger, 13th February 2016 03:11
    1 Attachment(s)
    • Replies: 13
    • Views: 7,825
    retrogear
    2nd March 2016, 04:44 Go to last post

  29. Closed: Tektronix 545 oscilloscope

    Started by schmitt trigger, 19th February 2016 03:08
    1 Attachment(s)
    • Replies: 2
    • Views: 5,943
    schmitt trigger
    19th February 2016, 20:03 Go to last post

  30. Closed: Cathode stripping when not using the standby switch

    Started by RickyRockenson, 4th June 2015 21:53
    2 Attachment(s)
    • Replies: 10
    • Views: 8,408
    retrogear
    16th October 2015, 03:37 Go to last post
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