200W HiFi Power Amplifier Circuit Diagram using Sanken Transistors

Introduction

When it comes to audio systems, one of the most vital components is the power amplifier. A powerful and reliable amplifier can greatly enhance the listening experience, providing crystal-clear sound and exceptional audio quality. In this article, we will be discussing a 200W HiFi Power Amplifier Circuit Diagram that utilizes the Sanken 2SC2922 and 2SA1216 transistors in its output section, renowned for their exceptional performance and reliability.

A hifi power amplifier circuit diagram is designed to amplify low-power audio signals to a level suitable for driving speakers or other output devices. The circuit diagram we will be discussing employs the Sanken 2SC2922 and 2SA1216 transistors. These transistors are widely recognized for their robustness, high power handling capabilities, and exceptional audio performance.

Specifications of 2SC2922 Transistor:

The Sanken 2SC2922 is a PNP power transistor capable of handling high power levels. Its specifications are as follows:

• Maximum collector current: 15 Amperes
• Maximum collector-emitter voltage: 230 Volts
• Maximum power dissipation: 150 Watts
• Transition frequency: 15 MHz
• Low frequency power amplifier transistor

Specifications of 2SA1216 Transistor:

The Sanken 2SA1216 is an NPN power transistor, complementing the 2SC2922 in the amplifier circuit. Its specifications are as follows:

• Maximum collector current: 15 Amperes
• Maximum collector-emitter voltage: 230 Volts
• Maximum power dissipation: 150 Watts
• Transition frequency: 15 MHz
• High frequency power amplifier transistor

200W HiFi Amplifier Circuit Diagram using Transistors

This project can be built using a few basic components. The hifi amplifier circuit diagram of this project is shown below.

More Circuit Layouts

Components List of 200W HiFi Amplifier Circuit Diagram

Following is the list of all components used in this project:

• 2SC2922 Transistor x 1
• 2SA1216 Transistor x 1
• BD140 Transistor x 1
• BD139 Transistor x 2
• 2SK JFET x 1
• MJE340 Transistor x 1
• BC638 Transistor x 1
• BC637 Transistor x 1
• BC546 Transistor x 2
• 2N5401 Transistor x 3
• 2.2k Resister x 2
• 47K Resister x 2
• 1.5K Resister x 1
• 1K Resister x 2
• 15K Resister x 1
• 6.8K Resister x 1
• 220 Ohms Resister x 2
• 100 Ohms/2W Resister x 2
• 270 Ohms Resister x 2
• 2.2 Ohms/1W Resister x 2
• 0.33 Ohms/5W Resister x 2
• 10 Ohms/2W Resister x 1
• 470uF/50V Capacitor x 2
• 100uF/50V Capacitor x 2
• 100nF Capacitor x 4
• 1uF Capacitor x 2
• 220pF Capacitor x 1
• 47uF Capacitor x 2
• 100pF Capacitor x 1
• 330pF Capacitor x 1
• 47pF Capacitor x 1
• 10 Pot x 1
• 2k Pot x 1
• LED Green x 1
• +/-35V Power Supply

Explanation of 200W HiFi Amplifier Circuit Diagram

This combination of the 2SC2922 and 2SA1216 transistors in the 200W HiFi Power Amplifier Circuit Diagram ensures a powerful and high-fidelity audio amplification with excellent thermal and overload protection.

The amplifier circuit employs a dual power supply configuration along with a symmetrical output stage, providing balanced and distortion-free audio reproduction. The carefully designed circuit layout helps in minimizing external noise interference and maximizing the overall signal-to-noise ratio.

With a power output of 200W, this HiFi amplifier circuit is suitable for both home audio systems and professional audio setups. The high power handling capacity of the Sanken transistors ensures that the amplifier can effectively drive speakers of varying sizes, providing an immersive and powerful sound experience.

Conclusion

The 200W HiFi Power Amplifier Circuit Diagram discussed in this article is a testament to the exceptional performance and reliability offered by the Sanken 2SC2922 and 2SA1216 transistors. These transistors, known for their high power handling capabilities and audio performance, ensure a remarkable sound quality and power output.

Whether you are a music enthusiast looking for a powerful amplifier for your home audio system or a professional in the audio industry seeking a reliable amplifier for professional use, this circuit diagram can be an excellent choice. By employing the Sanken transistors, this amplifier circuit ensures optimal sound reproduction, high power output, and longevity.

More projects, You may like:

• Video Transmitter DIY Homemade FM Radio Transmitter
• Adjustable Power Supply DIY Battery Charger
• 12V-220V 500 Watt inverter DIY Homemade
• 12V-220V H-Bridge Inverter DIY Homemade
• MPPT Solar Charge Controller DIY Homemade
• 18650 battery bank free charge protection module
• D718 B688 Bass Amplifier Homemade DIY
• C5200 Bass Amplifier DIY Homemade with Volume
• DIY LA4440 bass amplifier homemade
• C5200 A1943 TDA2030 Amplifier DIY Homemade

For more project and circuit diagrams, you can go through the Schematics in the main menu where you can find many interesting projects and circuit diagrams like audio amplifier circuits, voltage booster circuit, battery charger circuit and timer circuits etc., which are all beginner circuit projects. Feel free to check them out!

Thank you for visiting the article.