This is a simple 60W class B power amplifier. This audio amplifier can work from 30 to 60V with the maximum input voltage around 0.8 – 1V. It is built with the well known 2N3055 and can deliver up to ...

Here this circuit is based on the principle of audio amplification using operational amplifier and pulse width modulation using 555 Timer. In this article we are describing the principle, design and ...