4 Simple transistor amplifier circuit
This is a 4 transistor audio amplifier circuit. Which is a 4-transistors complementary push-pull amplifier, that shows the basics of audio amplifier design. Read more
Amplifiers
High quality tone control circuit diagram
The Hi Fi preamplifier circuit project to tune smooth bass-treble, with a very low distortion. Use low noise transistors Frequency response range 20Hz-20KHz […] Read more
STK Power amplifier circuit,100W-150W using STK4048
This is Hybrid power amplifier circuit with PCB layout,100W-150W using STK4044XI,STK4046XI,STK4048XI so low THD and low and full protection system […] Read more
TDA2030 Bridge amplifier circuit
SEE! TDA2030 Bridge amplifier circuit diagram with PCB layout, output of 35 watts at 8 ohms speaker. It use Dual 15V DC power supply at 2A. Read more
100 watts OTL amplifier circuit using transistor MJ15003-MJ15004
If you are looking for Small PA amplifier circuit using transistors. This may be first choice for you. The output is 100 watts power, very loud and very durable, easy to builds. Is is real? Read more