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voltage amp

  1. davy rocksta

    Marantz RS 4000 no sound, need help with voltage amp IC

    Hi, I have a little experience with electronics, not so much with receivers from this era... I already did some research and find this little info: https://audiokarma.org/forums/index.php?threads/sr4000-in-protect.921629/#post-13954549 https://antiqueradios.com/forums/viewtopic.php?f=13&t=340525...
  2. W

    IC Power Amp and Voltage Amp Question- Sansui R-99Z

    I'm currently working on a Sansui R-99Z that has some real issues. As soon as it powers on a faint, crackly signal comes out the left speaker but quickly (5 seconds or so) fizzles and goes completely quiet. This is a later model Sansui, and the power amp is completely contained in an STK2139 IC...
    • W.T. Holt
    • Thread
    • integrated circuit power amp sansui solid state stereo voltage amp
    • Replies: 6
    • Forum: Solid State
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