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TIP122 Transistor Amplifier Circuit | Components & Installation | Step-by-Step Guide

In this video, you will learn how to make a TIP122 transistor amplifier circuit step by step.
This is a beginner-friendly audio amplifier circuit using only one TIP122 power transistor.

We explain:
✔ TIP122 transistor pinout (Base, Collector, Emitter)
✔ Required components list
✔ Circuit diagram explanation
✔ Step-by-step breadboard installation
✔ Power ON testing and sound output
✔ Common mistakes and safety tips

This TIP122 audio amplifier circuit is perfect for electronics beginners, school and college projects, DIY speakers, and learning transistor amplifiers.

👉 Watch till the end to understand the working principle of transistor amplifiers clearly.


🔧 Components Used:

TIP122 Power Transistor

Resistors & Capacitors

8-ohm Speaker

Breadboard

9V–12V DC Power Supply

📌 Applications:

DIY Audio Amplifier

Mini Speaker System

Electronics Projects

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