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  1. Zampotech
    Post

    Putin's War With Ukraine (and democracy, freedom, self-determination, etc.)

    The bus driver locked himself in the cab. He does not go along the route, but to where he needs to go, drives into oncoming traffic, runs a red...
    Post by: Zampotech, Apr 10, 2022 in forum: SBAF Blogs
  2. Zampotech
    Post

    "Shortest Way" SW51 Amp Impressions (Simple SET Amp)

    Thank you very much I did not have and do not have any complaints against Ukrainians. There is not a single act of mine that would offend...
    Post by: Zampotech, Mar 2, 2022 in forum: Headphone Amplifiers and Combo (DAC/Amp) Units
  3. Zampotech
    Post

    Ultrasonic Technical Discussion

    To determine the magnitude of the destruction, you probably need to do an experiment. Take unnecessary dirty vinyl, drill two small holes at a...
    Post by: Zampotech, Feb 16, 2022 in forum: Vinyl Nutjob World: Turntable and Related Gear
  4. Zampotech
    Thread

    Ultrasonic Technical Discussion

    Ultrasonic cleaning was discussed at the Russian forum. The conclusion is as follows: During cavitation, dirt and scratches are the same factor in...
    Thread by: Zampotech, Feb 16, 2022, 3 replies, in forum: Vinyl Nutjob World: Turntable and Related Gear
  5. Zampotech
    Post

    "Shortest Way" SW51 Amp Impressions (Simple SET Amp)

    6Z4 is really a pentode. The cenotron will be a 6C5S (6X5GT) tube For planar headphones, there will be an amplifier of about the same...
    Post by: Zampotech, Feb 4, 2022 in forum: Headphone Amplifiers and Combo (DAC/Amp) Units
  6. Zampotech
    Post

    "Shortest Way" SW51 Amp Impressions (Simple SET Amp)

    I get only one voltage from the cenotron, for the anode of the tubes. Both RCA and XLR can be connected to the input transformer via the contacts...
    Post by: Zampotech, Feb 4, 2022 in forum: Headphone Amplifiers and Combo (DAC/Amp) Units
  7. Zampotech
    Profile Post Comment

    Thank you very much! I think that once every two or three years it is necessary to get sick, to...

    Thank you very much! I think that once every two or three years it is necessary to get sick, to train the body)
    Profile Post Comment by Zampotech, Feb 3, 2022
  8. Zampotech
    Post

    "Shortest Way" SW51 Amp Impressions (Simple SET Amp)

    A little news. I publish the appearance of the SW4 amplifier in a horizontal case. This is a rendering from the Solidworks program [IMG] Image...
    Post by: Zampotech, Feb 3, 2022 in forum: Headphone Amplifiers and Combo (DAC/Amp) Units
  9. Zampotech
    Post

    "Shortest Way" SW51 Amp Impressions (Simple SET Amp)

    Dear friends I apologize for my silence and lack of responses by email The seasonal flu has clung to me. Or a fashionable disease :) There is a...
    Post by: Zampotech, Feb 1, 2022 in forum: Headphone Amplifiers and Combo (DAC/Amp) Units
  10. Zampotech
    Post

    "Shortest Way" SW51 Amp Impressions (Simple SET Amp)

    Dear friends The production of amplifiers has been going on for the third year and probably all the respected members of the community who wanted...
    Post by: Zampotech, Nov 28, 2021 in forum: Headphone Amplifiers and Combo (DAC/Amp) Units
  11. Zampotech
    Post

    My project "JLH-69"

    Continuation of the topic about JLH. This time JLH is for planar headphones. I made a chassis for the layout of the amplifier circuit and design....
    Post by: Zampotech, Nov 7, 2021 in forum: DIY
  12. Zampotech
    Post

    "Shortest Way" SW51 Amp Impressions (Simple SET Amp)

    By the way yes. If an increased voltage is applied to the transformer from the mains, then its magnetic circuit will be close to saturation and...
    Post by: Zampotech, Oct 14, 2021 in forum: Headphone Amplifiers and Combo (DAC/Amp) Units
  13. Zampotech
    Post

    Vali 2+ Tube Rolling (Measurements)

    I am very familiar with these tubes. But I confess, I have never seen gilded pins on the base tubes. Neither in the military, nor in the aerospace...
    Post by: Zampotech, Oct 4, 2021 in forum: Headphone Amplifiers and Combo (DAC/Amp) Units
  14. Zampotech
    Post

    "Shortest Way" SW51 Amp Impressions (Simple SET Amp)

    There is a downside to this effect. Short-path amplifiers (usually tube amplifiers made according to classical schemes) will clearly show...
    Post by: Zampotech, Sep 23, 2021 in forum: Headphone Amplifiers and Combo (DAC/Amp) Units
  15. Zampotech
    Post

    Vali 2+ Tube Rolling (Measurements)

    Yes, I have your address. The tubes will be sent to you along with the SW51 next week.
    Post by: Zampotech, Sep 19, 2021 in forum: Headphone Amplifiers and Combo (DAC/Amp) Units
  16. Zampotech
    Post

    Vali 2+ Tube Rolling (Measurements)

    In the photo, the tubes 1,3,4,5 (from left to right) are very similar to the tubes 6N23P-EV. Perhaps these are old 6N23P-EV on which the plant has...
    Post by: Zampotech, Sep 18, 2021 in forum: Headphone Amplifiers and Combo (DAC/Amp) Units
  17. Zampotech
    Post

    Transformer steel. M6 vs Z11

    The plates Z11 and M6 have a size of EI66 and a thickness of 0.35 mm No, I don't have access yet good idea. I'll think about how to do it.
    Post by: Zampotech, Sep 9, 2021 in forum: DIY
  18. Zampotech
    Thread

    Transformer steel. M6 vs Z11

    At the beginning of this year, I ordered transformer steel of the Z11 type for the manufacture of new SW4 and SW9 amplifiers. I have never worked...
    Thread by: Zampotech, Sep 8, 2021, 5 replies, in forum: DIY
  19. Zampotech
    Post

    "Shortest Way" SW51 Amp Impressions (Simple SET Amp)

    Dear friends I must explain all the delays in sending the amplifiers to you. The first thing I want to say is that all the amplifiers are made...
    Post by: Zampotech, Sep 8, 2021 in forum: Headphone Amplifiers and Combo (DAC/Amp) Units
  20. Zampotech
    Post

    My project "JLH-69"

    One of the important reasons for the delay in the start of production of the JLH-69 was the lack of logarithmic drivers for UV meters.The...
    Post by: Zampotech, Aug 29, 2021 in forum: DIY
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