Simple Condenser Mic Preamplifier Circuit
This is simple condenser mic preamp circuit using 2N3904, The mic bring to change the sound to electrical signals. it is simple circuit and use 9V battery Read more
Audio Circuits
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
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