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Everything posted by jose

  1. jose

    current feedback electrostatic amp

    Laowei, sorry I didn´t mean "fair" in an offensive sense. It has nothing to do with experience. I didn´t pretend to be pedantic or presumptuous. I was referring that both amplifiers were designed with different things so, for me, it´s not correct to compare them.
  2. jose

    What are you listening to Part the Third

    Monolord "Vaenir"
  3. jose

    current feedback electrostatic amp

    130K ... nice paperweight. 😎
  4. jose

    Happy Birthday Brent!

    Happy Birthday!
  5. jose

    current feedback electrostatic amp

    I think you're not being "fair". I means: My favorite amplifiers are the BH/GG but comparing them with the CFAe is like comparing apples with oranges. I always try to make a comparison with something that has a certain similarity (in this case, solid state amps, not hybrids) so I think of the Carbon more than the BH / GG. Finally, I think that this amplifier is new and it has had less "development time" than other designs by Kevin, (although Joachin has done an excellent job with his modifications) I don´t know exactly why . Perhaps it is not very showy ot too exotic... I hope not to offend anyone.
  6. jose

    What are you listening to Part the Third

    I prefer "Revolver" ( IMO the best album of the boys of Liverpool) but "Abbey Road" is no bad.
  7. jose

    current feedback electrostatic amp

    We haven´t talked much about this amplifier. 🙄 I usually need some time to adjust to the sound of a push-pull amplifier. Once time passes (hours) I feel very comfortable with him. Honestly, I don´t see any flaw: it has a fairly defined and balanced sound, enough power... to put something negative, the only problem I see is that not all adapt to the sound of a push-pull amplifier (paradoxical) ... But that's what Carbon is for.
  8. jose

    What are you listening to Part the Third

    These people from Pitchfork usually show good groups. I have been subscribed to your channel for some time.
  9. jose

    current feedback electrostatic amp

    Here Joachin explains how to do this in the simplest way.
  10. jose

    Happy birthday robm321

    Happy birthday!
  11. jose

    RIP someone or another

    Descansa en Paz Niki
  12. jose

    What are you listening to Part the Third

    "So ya Thought ya Might like to go to the show..."
  13. I rotated the Jfets. I don´t notice any change. Good opportunity to check Bias, voltage, tighten connectors ... everything is correct. The only thing I have noticed is that the plates have lost a bit of bright green due to the heat.
  14. Yes, I checked my amps and mi notes and i was wrong. I've been using them like that for a while. Now, we know empirically that it works inverted. I found this photo. It was the one that confused me: What a shame!!!!
  15. jose

    Happy Birthday Pars!

    Happy Birthday!!!
  16. Sorry Michael. Last night was very late when I answered I believe that the Drain pin is correctly connected to the Collector pin. Edit: Maybe I'm confused ... I need to look again at the transistor meter to be able to identify the pins. To be connected to the opposite, what makes clear is that they work
  17. In my Dynalo. I think you can see it better here: Yes, you are right I rotated the photo when inserting it in the post.
  18. N channel on bottom (2SK170) P channel on top (2SJ74) Emitter – (E) >> Source – (S) Base – (B) >> Gate – (G) Collector – (C) >> Drain – (D)
  19. jose

    What are you listening to Part the Third

    Finally, at home.😎
  20. jose

    What are you listening to Part the Third

    Off topic: Very interesting. For a while I thought it was some kind of writing like the one used in the movie "Predator"
  21. jose

    With a little help of my friends

    Thanks for share. 😉
  22. For Jfets Idss measures I prefer use this:
  23. They are something different from yours. 2SJ74GR bought in AMB: LSJ74 grade B bought in DIYAudio Store: 2SJ74GR bought from a member of DIYAudio: I have measured some units of each group and they all very similarly.