Audio Power Amplifier Circuit Diagram using dual 2SC5200 Transistors

Introduction

Audio power amplifiers are essential components in audio systems, providing the necessary amplification to drive speakers and produce high-quality sound. The design and construction of such amplifiers can greatly impact the overall performance and sound quality. In this article, we will discuss an audio power amplifier circuit diagram that utilizes dual 2SC5200 transistors in the output section, TIP31 and TIP32 transistors in the driver section, and 2SA733 transistors in the preamplifier section.

Transistors Specifications:

Here are the specifications of the transistors utilized in the audio power amplifier circuit:

1. 2SC5200:

• High power NPN transistor
• Collector current: 15A
• Collector-base voltage: 230V
• Collector-emitter voltage: 230V
• Maximum power dissipation: 150W

2. TIP31:

• NPN transistor
• Collector current: 3A
• Collector-base voltage: 40V
• Collector-emitter voltage: 40V
• Maximum power dissipation: 40W

3. TIP32:

• PNP transistor
• Collector current: 3A
• Collector-base voltage: -40V
• Collector-emitter voltage: -40V
• Maximum power dissipation: 40W

4. 2SA733:

• PNP transistor
• Collector current: 0.1A
• Collector-base voltage: -50V
• Collector-emitter voltage: -50V
• Maximum power dissipation: 0.75W

Audio Amplifier Circuit Diagram using 2SC5200

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

More Circuit Layouts

Project PCB Layout

Components List of Audio Amplifier Circuit Diagram using 2SC5200

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

• 2SC5200 Transistor x 2
• TIP31 Transistor x 1
• TIP32 Transistor x 1
• 2SD438 Transistor x 1
• 2SA733 Transistor x 2
• 1N4148 Diode x 4

Explanation of Audio Amplifier Circuit Diagram using 2SC5200

The audio power amplifier circuit diagram using 2SC5200 consists of various stages that work together to amplify the audio signal. The input section includes the 2SA733 transistors, which act as preamplifiers and ensure proper signal conditioning. These transistors allow for precise control over the input signal.

Moving on to the driver section, the TIP31 and TIP32 transistors are employed. These transistors are known for their high current and power capabilities, making them suitable for driving the output transistors. The driver section is responsible for amplifying the signal received from the preamplifier stage and providing the necessary power to drive the output stage.

Finally, the output section incorporates dual 2SC5200 transistors, which are renowned for their high power handling capabilities. These transistors efficiently amplify the driver signal to produce a powerful output, capable of driving speakers with great clarity and minimal distortion.

Conclusion

The audio power amplifier circuit diagram utilizing dual 2SC5200 transistors, TIP31, TIP32, and 2SA733 transistors provides a robust and efficient solution for amplifying audio signals. The combination of these transistors in different sections ensures accurate signal conditioning, powerful amplification, and reliable output performance. By understanding the specifications and characteristics of each transistor, it becomes possible to design and construct a high-quality audio power amplifier that delivers exceptional sound reproduction and fidelity.

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