150W Audio Amplifier Circuit Diagram TIP3055

150W Audio Amplifier Circuit Diagram using TIP3055 & TIP2955
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.

150W Audio Amplifier Circuit Diagram using TIP3055 TIP2955
150W Audio Amplifier Circuit Diagram using TIP3055 TIP2955
35V power supply Circuit Diagram
35V power supply Circuit Diagram



More Circuit Layouts






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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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 circuitbattery charger circuit and timer circuits etc., which are all beginner circuit projects. Feel free to check them out!

150W Audio Amplifier Circuit Diagram using TIP3055 TIP2955
150W Audio Amplifier Circuit Diagram
150W Audio Amplifier Circuit Diagram using TIP3055 & TIP2955
150W Audio Amplifier Circuit Diagram using TIP3055 & TIP2955

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