This is the audio power amplifier circuit diagram. It’s a stereo circuit diagram. Each side can make 100 watts. we can use 25-0-25 voltage to 50-0-50 voltage. We can use any PNP and NPN transistors. here used 2sc5200 and 2sa1943. This pair can make 100 watts.

Here is the best transistor amplifier circuit diagram
Download the circuit diagram
Details about 2SC5200
2sc5200 Polarity is NPN. The maximum collector power dissipation is 150 Watts. The maximum collector-base Voltage is 250 volts. Max Collector-Emitter Voltage is 250V. The Maximum Emitter-Base Voltage is 5V. The Maximum Collector Current is 17 amperes.
Details about 2SA1943
2sa1943 Polarity is PNP. The maximum collector power dissipation is 150 Watts. The maximum collector-base Voltage is 250 volts. Max Collector-Emitter Voltage is 250V. The Maximum Emitter-Base Voltage is 5V. The Maximum Collector Current is 17 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.

Amplifier circuit using mj15024:
This is an Amplifier circuit using an mj15024 transistor. This diagram can produce 300 watts using 50-0-50 voltage and 6 amperes. mj15024 and mj15025 are the best transistors. it’s a 2 transistor diagram. and a mono diagram. The high safe operating area and high DC gain is 16 amperes. 250 VOLTS, 250 WATTS.

MJ15025 transistor Polarity is PNP. Maximum Collector Power Dissipation is 250 Watts. The maximum Collector-Base Voltage is 400 Volts. The maximum Collector-Emitter Voltage is 250 Volts. The maximum Emitter-Base Voltage is 7 Volts. The maximum Collector Current Ic max is 16 Amperes. The max operating Junction Temperature is 200 °C. The Transition Frequency is 4 MHz. The collector Capacitance is 500 pF. The forward Current Transfer Ratio is MIN: 15.
MJ15024 transistor Polarity is NPN. Maximum Collector Power Dissipation is 250 Watts. The maximum Collector-Base Voltage is 400 Volts. The maximum Collector-Emitter Voltage is 250 Volts. The maximum Emitter-Base Voltage is 7 Volts. The maximum Collector Current Ic max is 16 Amperes. The max operating Junction Temperature is 200 °C. The Transition Frequency is 4 MHz. The collector Capacitance is 500 pF. The forward Current Transfer Ratio is MIN: 15.
The MJ15023 (PNP) and MJ15025 (PNP), MJ15022 (NPN), and MJ15024 (NPN) Silicon Power Transistors are power transistors designed for high-power audio systems. 250 VOLTS, 250 WATTS. The voltage should be strong. Otherwise, we can’t get good watts. We know that voltage X amperes=watts. The amplifier watts depend on the best voltage and amperes.
We have another post for you. like Amplifier circuit 200 watts
Transistor circuit for amplifier
Build a Transformer or construct the transformer. Home Theater Circuit Diagram 5.1
Thanks a lot for being with us. If you want another post, then please visit our website.
We have another post for you. like repairing amplifiers. If you like electronics, please visit our other post. electronicshelpcare.com
Our Facebook page is Electronicshelpcare
Electronics Help Care Amplifier circuit diagram