amplifiers - ali.ski/xWtyG4
power supply for the amplifier - ali.ski/s6lok
Hello friends. In this video, I'll show you how to make an amplifier from a Samsung hi-fi mini system component. The board uses the STK 433-040 microcircuit, the maximum power of this microcircuit is 40 watts per channel, the nominal power is 25 watts per channel. The microcircuit is turned on very simply, you need to apply a voltage of 5 volts to pin 13. I supply voltage from the main power supply through a 10kom resistor, a 5 volt zener diode is already installed on the board.
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