Mini audio amplifier circuit diagram using 12 volt

This is a mini amplifier circuit diagram using 12 volts. It’s a simple audio amplifier. here needs dual transistors. 2sc5200 and 2sa1943 transistors. We can also use other transistors. like tip41 and tip42. We can use a single voltage for this amplifier. 

Basic Specification for 2SC5200

• Transistor Type is an NPN Power Transistor
• Transistor Collector-Emitter Voltage (Vceo): 230V
• Transistor Collector-Base Voltage (Vcbo): 230V
• Transistor Emitter-Base Voltage (Vebo): 5V
• Transistor Collector Current (Ic): 15A
• The Power Dissipation (Pc): 150W
• The transistor Gain (hFE): 55 – 160
• Transition Frequency (fT): ~30 MHz. 

Basic Specification for 2SA1943

• Transistor Type is a PNP Power Transistor
• Transistor Collector-Emitter Voltage (Vceo): 230V
• Transistor Collector-Base Voltage (Vcbo): 230V
• Transistor Emitter-Base Voltage (Vebo): 5V
• Transistor Collector Current (Ic): 15A
• The Power Dissipation (Pc): 150W
• The transistor Gain (hFE): 55 – 160
• Transition Frequency (fT): ~30 MHz. 

This is an audio equalizer circuit diagram for an amplifier. Every amplifier needs this type of circuit board. Here, we get 4 volumes: the main volume. One for the bass volume, one for the mid-range. Another one for the treble volume. It’s a mono circuit diagram board. A stereo needs a dual circuit board. 

This is an amplifier circuit diagram for 150 watts of output. It’s a mini audio amplifier circuit diagram using 2SC5200 and 2SA1943 transistors. It’s a mono audio circuit board. This circuit operates from 20-0-20 to 50-0-50 volts. Here, use 2 transistors. One is a positive transistor, and the other is a negative transistor. 

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