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Threads 1 to 30 of 76

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: 14,846
    pranam77
    25th November 2009, 16:07 Go to last post

  1. transform simple low voltage OTL tube amp into lower impedance by paralleling tubes

    Started by neazoi, 19th June 2018 14:53
    • Replies: 2
    • Views: 289
    betwixt
    19th June 2018, 19:19 Go to last post

  2. German V1 and V2 control systems and electronics discussion

    Started by schmitt trigger, 12th January 2018 15:34
    • Replies: 7
    • Views: 6,732
    Nik_2213
    12th June 2018, 20:24 Go to last post

  3. Beyond Dekatrons: Beam Deflection counter tube

    Started by schmitt trigger, 22nd April 2018 23:33
    • Replies: 0
    • Views: 2,156
    schmitt trigger
    22nd April 2018, 23:33 Go to last post

  4. 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: 49,636
    c_mitra
    1st November 2017, 17:43 Go to last post

  5. Moved: Russian IC DATASHEET

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

  6. Closed: Help to identify devices by photos

    Started by fade2black, 7th April 2017 12:30
    • Replies: 4
    • Views: 20,579
    schmitt trigger
    5th June 2017, 14:16 Go to last post

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

    Started by TomWJT, 20th February 2017 17:46
    • Replies: 1
    • Views: 4,867
    TomWJT
    22nd February 2017, 14:41 Go to last post

  8. Closed: Playing with Nixies and Dekatrons

    Started by schmitt trigger, 3rd February 2017 15:10
    • Replies: 7
    • Views: 5,131
    schmitt trigger
    22nd February 2017, 04:50 Go to last post

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

    Started by neazoi, 15th February 2017 13:58
    2 Attachment(s)
    • Replies: 5
    • Views: 5,368
    schmitt trigger
    16th February 2017, 21:46 Go to last post

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

    Started by treez, 3rd December 2016 20:03
    • Replies: 5
    • Views: 5,079
    pjmelect
    5th December 2016, 03:03 Go to last post

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

    Started by RETGT, 3rd December 2016 11:17
    2 Attachment(s)
    • Replies: 3
    • Views: 4,817
    schmitt trigger
    4th December 2016, 18:08 Go to last post

  12. Closed: PL504 instead of 6dq6 in transmitter

    Started by neazoi, 25th October 2016 09:35
    1 Attachment(s)
    • Replies: 2
    • Views: 4,986
    FvM
    25th October 2016, 10:29 Go to last post

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

    Started by neazoi, 3rd October 2016 08:01
    • Replies: 8
    • Views: 5,493
    betwixt
    5th October 2016, 09:04 Go to last post

  14. Closed: Beginner question about experimenting with tubes

    Started by I14R10, 14th August 2016 21:26
    2 Pages •
    1 2
    • Replies: 38
    • Views: 8,772
    c_mitra
    8th September 2016, 06:03 Go to last post

  15. Closed: Vintage Elka Reverb III

    Started by waltom, 5th July 2016 16:37
    10 Attachment(s)
    • Replies: 11
    • Views: 5,988
    Satchmoeddie
    10th July 2016, 02:38 Go to last post

  16. Closed: bsc25 0299d equivalent

    Started by eagle1109, 11th June 2016 20:37
    • Replies: 1
    • Views: 5,103
    schmitt trigger
    8th July 2016, 00:51 Go to last post

  17. Closed: How CRT screen work?

    Started by RITESH KAKKAR, 9th June 2016 09:28
    • Replies: 2
    • Views: 4,884
    chuckey
    9th June 2016, 19:27 Go to last post

  18. 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: 10,167
    eagle1109
    29th May 2016, 15:10 Go to last post

  19. Closed: Insulating glove from tube amp building

    Started by sabahan, 11th May 2016 08:27
    • Replies: 3
    • Views: 5,121
    sabahan
    12th May 2016, 06:17 Go to last post

  20. 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: 5,412
    Warpspeed
    6th May 2016, 23:20 Go to last post

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

    Started by bilal_oct, 4th May 2016 22:08
    • Replies: 5
    • Views: 5,224
    Warpspeed
    5th May 2016, 22:29 Go to last post

  22. Closed: Slide Rules vs Scientific Calculators.

    Started by schmitt trigger, 22nd April 2016 13:55
    • Replies: 11
    • Views: 5,978
    schmitt trigger
    27th April 2016, 15:02 Go to last post

  23. Closed: Landlinel Telephone Voltage vs Cassette Answering Machine

    Started by Analogue23, 31st March 2016 20:00
    • Replies: 7
    • Views: 5,622
    Analogue23
    6th April 2016, 05:42 Go to last post

  24. Closed: power switch on the volume control

    Started by schmitt trigger, 13th February 2016 03:11
    1 Attachment(s)
    • Replies: 13
    • Views: 6,358
    retrogear
    2nd March 2016, 04:44 Go to last post

  25. Closed: Tektronix 545 oscilloscope

    Started by schmitt trigger, 19th February 2016 03:08
    1 Attachment(s)
    • Replies: 2
    • Views: 5,464
    schmitt trigger
    19th February 2016, 20:03 Go to last post

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

    Started by RickyRockenson, 4th June 2015 21:53
    2 Attachment(s)
    • Replies: 10
    • Views: 7,221
    retrogear
    16th October 2015, 03:37 Go to last post

  27. Repairing Vacuum Tube TV?

    Started by James1000, 28th August 2014 06:56
    • Replies: 6
    • Views: 7,624
    FvM
    26th August 2015, 10:42 Go to last post

  28. Closed: Tubes, Retro and Discrete Components Forum

    Started by schmitt trigger, 19th June 2015 16:23
    • Replies: 0
    • Views: 6,141
    schmitt trigger
    19th June 2015, 16:23 Go to last post

  29. Closed: fluorescent lamp with a (cylindrical) tube with variable length

    Started by ghasem_008, 11th March 2015 07:14
    1 Attachment(s)
    • Replies: 7
    • Views: 6,652
    televisodes81
    17th May 2015, 21:34 Go to last post

  30. Closed: smoke sprayer can to spray the smoke to the smoke detector

    Started by prakashvenugopal, 7th November 2014 12:17
    • Replies: 1
    • Views: 6,678
    jiripolivka
    5th February 2015, 23:33 Go to last post
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