Audio Amplifiers, Sounds, Alarm Systems, and more Circuits Projects

Simple Condenser Mic Preamplifier Circuit using 2N3904

Today let's try to make a microphone. By using a condenser microphone preamplifier circuit. Why would we need said circuit? Because of its high sound sensitivity, easy to use, small,…

Amplifiers

4 transistor audio 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.

Preamplifiers Amplifiers

Hi Fi audio tone control circuit using low noise transistors

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 [...]

Hybrid power amplifier circuit,100W-150W using STK-4048, STK4040

Amplifiers

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 [...]

TDA2030 Bridge amplifier project 35 watts

Amplifiers

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.