G77 eeengine class TD dummy load

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ความคิดเห็น • 57

  • @updatedtec...4127
    @updatedtec...4127 2 หลายเดือนก่อน

    Sir is it possible to add more transistors to get more power 5000w@4ohm?

    • @patachiamihai-hyperaudio2922
      @patachiamihai-hyperaudio2922  2 หลายเดือนก่อน

      @@updatedtec...4127 Yes, but with some modifications, more tranzistors, and above +-200Vdc powet Rails.

  • @kartinosurodipo4520
    @kartinosurodipo4520 2 ปีที่แล้ว +3

    Good work! 👍👍
    Congratulation!

  • @bonek-qp5pc
    @bonek-qp5pc ปีที่แล้ว +2

    G77 from Indonesian Mr.Kartino,s

  • @johansonsvensen8236
    @johansonsvensen8236 2 ปีที่แล้ว

    Salut la acest kit in colectorul tranzistorilor tensiunea in partea negativa este 15v si in partea pozitiva 20v este normal la alte kituri am vazut ca tensiune nu depaseste 6v

    • @patachiamihai-hyperaudio2922
      @patachiamihai-hyperaudio2922  2 ปีที่แล้ว

      Salut! Pentru o functionalitate corecta a buck-urilor este necesarar o tensiune minima de limentare de +-90 volti. Un alt factor, sunt zennerele care au rol cheie ca referinte. Tensiunile in idle trebuie sa fie 10-15 volti, cu diferente minime intre ramuri, ce depind si de imperechere de tranzistori, dar cel mai important, este Biasuo si offset zero la iesire. In rest trebuie verificata functionalitatea corecta a buck-urilor in refim sinus pe osciloscop. Tensiunile cresc odata cu solicitarea. Urmariti clipul meu la td3000.

    • @johansonsvensen8236
      @johansonsvensen8236 2 ปีที่แล้ว

      @@patachiamihai-hyperaudio2922 Multumesc pentru raspuns biasul se regleaza ca la clasa AB?

    • @patachiamihai-hyperaudio2922
      @patachiamihai-hyperaudio2922  2 ปีที่แล้ว

      @@johansonsvensen8236 Da, ca la AB

  • @cllwzf210gat3
    @cllwzf210gat3 2 ปีที่แล้ว +1

    Cand faci si tu un amplificator sa ajunga la performanta unui crown macrotech 5000 vz ?

    • @patachiamihai-hyperaudio2922
      @patachiamihai-hyperaudio2922  2 ปีที่แล้ว +1

      Salut! Si care ar fi performanta la care ar rrebui sa ma ridic? Am reusit sa trec de pragul de 3500 w/4R per canal

    • @cllwzf210gat3
      @cllwzf210gat3 2 ปีที่แล้ว +1

      @@patachiamihai-hyperaudio2922 FULL STABIL 2 OHM

    • @patachiamihai-hyperaudio2922
      @patachiamihai-hyperaudio2922  2 ปีที่แล้ว +1

      @@cllwzf210gat3 Pt 2 Ohmi, am module dedicate pt asa ceva, clasa D, 2000w rms/4R.

    • @cllwzf210gat3
      @cllwzf210gat3 2 ปีที่แล้ว +1

      @@patachiamihai-hyperaudio2922 bun la tine pe canal nu este un videoclip in care sa testezi si 2 ohm

    • @patachiamihai-hyperaudio2922
      @patachiamihai-hyperaudio2922  2 ปีที่แล้ว +1

      @@cllwzf210gat3 th-cam.com/video/LLwlMbUb9VU/w-d-xo.html
      Sunt cateva amplifuri facute, si testate in 2 R, si nu am insistat in aceasta directie pt ca mai vorbim de calitate sonora maxima, si nici cerinte nu au fost in directia asta.

  • @johansonsvensen8236
    @johansonsvensen8236 2 ปีที่แล้ว

    Salut cat de stabil este acest amplificator si care este tensiunea de alimentare maxima

    • @patachiamihai-hyperaudio2922
      @patachiamihai-hyperaudio2922  2 ปีที่แล้ว

      Este stabil full 4 R, 8R, tensiunea maxima depinde mult de finalii folositi. Eu am pus NJW, dar autorul a testat cu ceva mai buni ca finali.. MJL... Si s-a testat la +-180. Sincer.... Nu as recomanda chiar tensiune asa mare, ci un maxim de +-150 volti

    • @johansonsvensen8236
      @johansonsvensen8236 2 ปีที่แล้ว +1

      @@patachiamihai-hyperaudio2922 multumesc frumos

  • @johansonsvensen8236
    @johansonsvensen8236 2 ปีที่แล้ว

    Multumesc pentru raspuns biasul se regleaza ca la clasa AB?

  • @rcfaudioitalia6110
    @rcfaudioitalia6110 ปีที่แล้ว

    50 volt rms ====> 625 watt rms into 4 ohm.
    I was expecting a lot more.
    Around 70 volt. That is a big module with 12 transistors!

    • @patachiamihai-hyperaudio2922
      @patachiamihai-hyperaudio2922  ปีที่แล้ว +1

      As you can see in my video... I obtained 92 Vrms/8R and around 86Vrms/4R. Power supply+-130 volts. When I did this video, there was some issue with signal generator potentiometer.

    • @rcfaudioitalia6110
      @rcfaudioitalia6110 ปีที่แล้ว

      @@patachiamihai-hyperaudio2922 Oh, ok. 92 Volt is very good. 2116 watts in 4 ohm. That is the right power for that amp

  • @dkamptech6477
    @dkamptech6477 ปีที่แล้ว

    Witch MOSFET you uase sir

  • @gheorgheiancu7287
    @gheorgheiancu7287 ปีที่แล้ว

    Acel modul este facut de tine??

  • @mihaiconstantin3203
    @mihaiconstantin3203 2 ปีที่แล้ว

    Ce parare ai de dyncord sl 1800

    • @patachiamihai-hyperaudio2922
      @patachiamihai-hyperaudio2922  2 ปีที่แล้ว

      Salut! Nu ma pot pronunta pt ca nu am testat pana acum. Va pot ajuta in acest sens daca aveti unul pt teste. Am fost placut surprins de L3600 FD de la dynacord.

    • @rcfaudioitalia6110
      @rcfaudioitalia6110 ปีที่แล้ว

      Sl 1800 can go 75-77 volts per channel. Very high power.