Audio

2 x 3W Stereo Audio Amplifier with IC BA5406

This is 2 x 3W stereo audio amplifier based on IC power BA5406. This circuit which will give you 3W…

55 years ago

2x1W Stereo Amplifier with IC KA2209

This is 2x1W stereo amplifier circuit based on single IC KA2209. IC KA2209 is an equivalent IC to the TDA2822,…

55 years ago

1W Stereo Audio Amplifier using LM386N

This is 1W stereo audio amplifier with LM386N. The output power is 1 watt for each channel, so it should…

55 years ago

1W Audio Amplifier with TDA7052

This is the circuit diagram of 1W audio amplifier which use TDA7052 as the main component and other 5 pieces…

55 years ago

2x90W Stereo Tube Power Amplifier with EL34

This document is the manual of 2x90W Stereo Tube Power Amplifier with EL34, model K4040 by Velleman. The document in…

55 years ago

100W Audio Amplifier with Transistor BDW83D/BDW84D

Here is the circuit diagram of 100W audio amplifier which using power transistor BDW83D and BDW84D for the final amplification.…

55 years ago

300-2500Hz Audio Bandpass Filter

This is an audio bandpass filter circuit which will filtering the audio frequency from 300Hz to 2500Hz.. The lower and…

55 years ago

Electronic Buzzer with IC timer NE555

This easy electronic buzzer circuit built based on timer works for gaining the frequency. The IC timer NE 555 used…

55 years ago

Low Noise Portable Mic Preamp

This is the circuit diagram of portable mic preamp. This circuit consumes low current supply (about 2mA), so will have…

55 years ago

HiFi Audio Pre-amp

This is a HiFi pre-amplifier circuit diagram with low noise output. Very wide range frequency from about 10Hz until up…

55 years ago