Circuit 2N2222 for Headphone amplifier
This circuit can source about 500mA continuously, You built a 2 transistor project and it worked great, but now it has stopped working. You decide the transistor may be faulty.

Circuit 2N2222
How to make Audio power Amplifier and Repairing
Circuit 2N2222 for Headphone amplifier
This circuit can source about 500mA continuously, You built a 2 transistor project and it worked great, but now it has stopped working. You decide the transistor may be faulty.
Circuit 2N2222