Tag: 2n3055 & mj2955 class-ab amplifier circuit

2N3055 Audio Amplifier Circuit with 741 IC

100W Audio Amplifier Circuit using 2N3055 & MJ2955 with 741

The 2N3055 audio amplifier circuit is a versatile and efficient solution for audio enthusiasts looking to build their own amplifier. By utilizing the power output stage consisting of the 2N3055 and MJ2955 transistors, along with the preamplification provided by the 741 IC, this circuit ensures high-quality audio reproduction with minimal distortion.

2N3055 & MJ2955 Class-AB Amplifier Circuit Diagram

2N3055 MJ2955 Class-AB Amplifier Circuit Diagram

The use of 2N3055 and MJ2955 transistors is common for Class-AB amplifiers, as they offer high power handling capacities. However, to improve the performance of these transistors, it is recommended to incorporate a C2383 transistor in the audio section. The C2383 transistor improves low-level signal amplification, resulting in a better signal-to-noise ratio and a cleaner output signal.