Electronics Help Care Amplifier circuit diagram
DIY amplifier circuit diagram using transistors:
This is the DIY amplifier circuit diagram using transistors 2SC5200 and 2SA1943. It’s a mono circuit. we can use 25-0-25 voltage to 50-0-50 voltage. This pair of transistors can make 150 watts. We can use any PNP and NPN transistor. For stereo, we have to use a dual board.
Details about C5198
C5198 Polarity is NPN. The maximum collector power dissipation is 100 watts. The maximum collector-base Voltage is 140 volts. Max Collector-Emitter Voltage is 140V. The Max Emitter-Base Voltage is 5V. The Maximum Collector Current is 10 amperes.
Details about A1941
2sa1941 Polarity is PNP. Max Collector Power Dissipation is 100 Watts. The maximum collector-base Voltage is 140 volts. Max Collector-Emitter Voltage is 140V. The Max Emitter-Base Voltage is 5V. The Maximum Collector Current is 10 amperes.
This is the Speaker protection circuit diagram. It can protect our Speaker from the burn. If the amplifier has any problems, this circuit can save our soundbox. Normally, when the transistor makes a short circuit, the voltage comes out from the speaker output line, and this circuit protects that voltage. This circuit should not allow direct voltage to be sent to the speaker. This circuit is essential for protecting the speaker.
DIY car amplifier using 12 volt battery:
This is a DIY car amplifier using 12 volt battery. HA1388 is a stereo audio power amplifier IC from Hitachi. This circuit can make a stereo mode 18+18 watts output. and in mono mode can make 35 watts of output. Here, use HA1388 12-pin audio IC. This circuit can run from 12 volts to 24 volts. dual (stereo) low-power audio amplifier. designed to drive small speakers. very common in vintage consumer electronics.
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