Circuit Project Electronic

This be IC Amplifier circuit 2 Watt size by using integrated circuit the circuit amplify to model to is inexpensive number LM380 – 14 sizes are leg. It will give power to electricity enough work , for the project of small-sized stereo ,and seeking dot lose of the stereo. It is OTL Amplifier. The Pin 3,4,5,10,11 legs and 12 soldered directly with copper side of PCB. Which use replace Heat sink with. Detail more see in circuit.