Amplifier Circuit Diagram TIP3055 150W

150W Audio Amplifier Circuit Diagram using TIP3055 & TIP2955

Introduction

In the world of audio amplification, power and clarity are paramount. Whether you’re an audiophile, a musician, or a DIY enthusiast, a high-quality audio amplifier can make all the difference in your listening experience. In this article, we will explore the construction of a robust 150W Audio Amplifier Circuit Diagram using TIP3055 and TIP2955 transistors, known for their efficiency and performance.

Before diving into the specifications and assembly of this amplifier, let’s take a closer look at the key components and their functions:

TIP3055 Transistor:

Voltage Rating: 60V
Current Rating: 15A
Power Dissipation: 115W
Gain (hFE): 20-70
Package: TO-247

TIP2955 Transistor:

Voltage Rating: 60V
Current Rating: 15A
Power Dissipation: 90W
Gain (hFE): 20-70
Package: TO-247

These transistors play a crucial role in amplifying the audio signal. The TIP3055 is a PNP transistor, while the TIP2955 is an NPN transistor, ensuring a complementary push-pull configuration for enhanced performance.

Amplifier Circuit Diagram TIP3055

This project can be built using a few basic components. The amplifier circuit diagram of TIP3055 & TIP2955 is shown below.

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Components List of Amplifier Circuit Diagram TIP3055

Following is the list of all components used in this amplifier circuit diagram project of TIP3055 :

2SA933 Transistor x 2
2SA872 Transistor x 1 –> wrongly displayed A933 in circuit.
2SC945 Transistor x 1
BD140 Transistor x 1
BD139 Transistor x 1
TIP3055 Transistor x 1
TIP2955 Transistor x 1
100k Resister x 1
33k Resister x 2
560R Resister x 2
1k Resister x 1
10k Resister x 1
100R Resister x 3
2K2 Resister x 1
4K7 Resister x 1
330R Resister x 2
0R5 Resister x 2
100nF Capacitor x 1
10uF Capacitor x 4
100pF Capacitor x 1
1N4148 Diode x 5

Explanation of Amplifier Circuit Diagram TIP3055

Solder the Components: Begin by soldering the transistors, resistors, and capacitors onto the PCB. Ensure proper connections and follow the circuit diagram closely.

Mount the Transistors on Heatsinks: TIP3055 and TIP2955 transistors can get hot during operation. Mount them on suitable heatsinks to prevent overheating.

Connect the Power Supply: Connect a suitable power supply voltage within the specified range (usually around +/-35V) to the amplifier circuit.

Test the Amplifier: Before connecting the amplifier to a speaker, it’s essential to test it with a signal generator and an oscilloscope to ensure proper functionality and adjust any biasing if necessary.

Connect to the Speaker: Once the amplifier is tested and working correctly, connect it to your desired speaker. Ensure the speaker impedance matches the amplifier’s specifications.

Conclusion

In conclusion, constructing a 150W Audio Amplifier Circuit Diagram using TIP3055 and TIP2955 transistors can be a rewarding DIY project for audio enthusiasts and professionals alike. These transistors, with their high current and voltage ratings, ensure a powerful and clear audio output.

By following the circuit diagram and assembly steps, you can create a robust amplifier capable of delivering high-quality sound for various applications. Remember to take precautions such as proper heat sinking and testing to ensure optimal performance and longevity of your amplifier.

Whether you’re building a home audio system, a guitar amplifier, or any other audio-related project, this amplifier circuit can be a valuable addition to your arsenal.

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