Bass Amplifier Circuit Diagram using 2SC5200 & TDA2030

Bass Amplifier Circuit using 2SC5200 & TDA2030
Bass Amplifier Circuit using 2SC5200 & TDA2030


A high-quality bass amplifier circuit is crucial for enhancing the audio output of bass guitars or other low-frequency instruments. In this article, we will explore an effective bass amplifier circuit diagram that utilizes the 2SC5200 and 2SA1943 power transistors paired with the TDA2030 audio amplifier IC. By combining these components, we can achieve a powerful and efficient bass amplifier that delivers crisp and clear low-frequency sound. Let’s explore the circuit details and specifications of the 2SC5200 and TDA2030.

Specifications of 2SC5200

  • Maximum collector current: 15A
  • Maximum collector-base voltage: 230V
  • Maximum collector-emitter voltage: 230V
  • Power dissipation: 150W
  • Transition frequency: 30MHz
  • Amplification gain: 55-100

Specifications of TDA2030

  • Maximum output power: 14W at 4Ω load
  • Supply voltage range: ±6V to ±22V
  • Total harmonic distortion: 0.08%
  • Frequency response range: 20Hz to 20kHz
  • Short-circuit protection
  • Thermal shutdown protection

Bass Amplifier Circuit Diagram using 2SC5200 & TDA2030

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

Bass Amplifier Circuit Diagram using 2SC5200 & TDA2030
Bass Amplifier Circuit Diagram using 2SC5200 & TDA2030
15-18V Power Supply Circuit Diagram-min
15-18V Power Supply Circuit Diagram

More Circuit Layouts

Components List of Bass Amplifier Circuit Diagram 2SC5200 TDA2030

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

  • 2SC5200 Transistor x 1
  • 2SA1943 Transistor x 1
  • TDA2030 IC x 1
  • 330Ω Resister x 1
  • 680Ω Resister x 2
  • 33k Resister x 1
  • 22k Resister x 1
  • 5.6k Resister x 1
  • 1uF Capacitor x 1
  • 22uF Capacitor x 2
  • 104J Capacitor x 1
  • 1N4148 Diode x 2
  • 15k Potentiometer x 1
  • 12V-18V Dual Power Supply
  • 4Ω Speaker

Explanation of Bass Amplifier Circuit 2SC5200 TDA2030

The bass amplifier circuit using 2SC5200 & TDA2030 discussed here is a tried and tested design that guarantees optimal performance. The power transistors 2SC5200 and 2SA1943 act as the main amplification blocks, while the TDA2030 IC plays the role of an audio amplifier.

You can watch the video C5200 A1943 TDA2030 Amplifier DIY Homemade of this project for your ready reference. The project is demonstrated with a ±12V Dual Power Supply.

The circuit is designed with careful consideration, keeping in mind the importance of maintaining a proper low-frequency response. The 2SC5200 and 2SA1943 power transistors work in a complementary push-pull configuration to eliminate any distortion and deliver a clean bass output. The TDA2030 IC, with its dual-channel capability, provides the necessary amplification to drive the speakers.

To ensure the longevity of the power transistors and prevent them from overheating, adequate heat sinking is crucial. Additionally, proper power supply filtration and decoupling must be implemented to reduce noise and interference in the audio output.


Designing a high-quality bass amplifier circuit requires careful consideration of various components and their specifications. The circuit diagram presented here, utilizing the 2SC5200 and 2SA1943 power transistors along with the TDA2030 IC, provides a powerful and efficient solution for bass amplification.

By implementing proper heat sinking, power supply filtration, and decoupling techniques, this circuit guarantees a clean and distortion-free bass output. Whether you are a musician or an audio enthusiast, this bass amplifier circuit will enhance your listening experience by delivering rich and vibrant low-frequency sound.

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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 circuit, and timer circuits etc. Feel free to check them out!

Bass Amplifier Circuit using 2SC5200 & TDA2030
Bass Amplifier Circuit Diagram using 2SC5200 & TDA2030
Bass Amplifier Circuit using 2SC5200 & TDA2030
Bass Amplifier Circuit

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