500W Amplifier Circuit Diagram using 2SC2922 & 2SA1216 SANKEN

Introduction

In the world of audio amplifiers, power and clarity are two vital factors that determine the overall performance. A 500W amplifier circuit using 2SC2922 & 2SA1216 high-quality transistors can provide both power and fidelity for an exceptional audio experience. This article will explore the circuit diagram of such an amplifier, utilizing two pairs of 2SC2922 & 2SA1216 Sanken transistors in the output section, two pairs of C2168 & A958 transistors in the driver section, and two pairs of D438 & B560 transistors in the preamplifier section. We will also explore the specifications of the 2SC2922 & 2SA1216 Sanken transistors and highlight the working explanation in this article.

Specification of 2SC2922:

• The 2SC2922 transistor is a high power NPN transistor commonly used in audio amplifiers.
• It has a maximum collector current rating of 15A, making it suitable for high power applications.
• The maximum collector-base voltage rating is 150V, ensuring the transistor’s durability.
• The DC current gain (hFE) typically ranges from 30 to 160, allowing for precise control over the amplification process.

Specification of 2SA1216:

• The 2SA1216 transistor is a complementary PNP transistor that pairs with the 2SC2922 in the output stage.
• It has similar characteristics to the 2SC2922, with a maximum collector current rating of 15A and maximum collector-base voltage rating of 150V.
• The DC current gain (hFE) ranges from 30 to 160, ensuring compatibility and balanced amplification with its NPN counterpart.

500W Amplifier Circuit Diagram using 2SC2922 & 2SA1216

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

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Components List of 500W Amplifier Circuit using 2SC2922 & 2SA1216

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

• 2SC2922 Transistor x 2
• 2SA1216 Transistor x 2
• C2168 Transistor x 2
• A958 Transistor x 2
• D438 Transistor x 2
• B560 Transistor x 2
• 1N4002 Diode x 2

Explanation of 500W Amplifier Circuit using 2SC2922 & 2SA1216

The 500W amplifier circuit diagram using 2SC2922 & 2SA1216 presented here utilizes a robust design to deliver remarkable power output. It consists of three sections – the preamplifier, the driver, and the output section. Let’s analyze each section in detail:

Preamplifier Section

The preamplifier section is responsible for receiving and amplifying the weak input signal. This circuit employs two pairs of D438 & B560 transistors to effectively amplify the signal without introducing distortion or noise. These transistors are carefully selected for their high gain and low noise characteristics, ensuring optimum performance.

Driver Section

In the driver section, two pairs of C2168 & A958 transistors take the amplified signal from the preamplifier and further enhance its strength. These transistors possess excellent voltage and current handling capabilities, making them ideal for driving the power-hungry output transistors. They provide the necessary current gain and voltage swing required for smooth signal transfer.

Output Section

The output section is the heart of this amplifier circuit. It employs the powerhouse transistors – two pairs of 2SC2922 & 2SA1216 Sanken transistors. These transistors are renowned for their industrial-grade performance, reliability, and exceptional audio reproduction capabilities. The robust design of the output stage enables this amplifier to handle demanding loads and deliver a clean, distortion-free 500W power output.

Conclusion:

A 500W amplifier circuit using 2SC2922 & 2SA1216 utilizing high-quality components is essential for achieving powerful and clear audio reproduction. By employing the 2SC2922 & 2SA1216 Sanken transistors in the output section, C2168 & A958 transistors in the driver section, and D438 & B560 transistors in the preamplifier section, this amplifier circuit can provide exceptional performance. Its robust design ensures reliable power delivery and fidelity, making it suitable for demanding audio applications.

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