Below circuit is an echo chamber circuit which can be used for smoothing your voice from the microphone. This circuit may used for any kind of audio signal (microphone, radio, mp3 player, etc). The echo chamber […]
Category: Audio
Audio schematic diagram
2 x 10 Band Stereo Graphic Equaliser
The following diagram is the circuit diagram of 20 band stereo graphic equaliser which will controlling the audio signal in specific frequency range. The power supply used for this circuit is symmetrical (dual polarity) type, 15V […]
Stereo VU Booster
This is a stereo VU booster circuit diagram based on transistor FCS9014 which usually used for pre-amp and regulator circuit and switching. With simple circuit design, this device could be built easily. Scheme diagram, bottom PCB […]
80W Audio Amplifier Using TDA7295
Below is a 80W audio amplifier circuit is constructed by using a power IC TDA7295. With a very simple design, makes this circuit very easy to build. TDA7295 has many features to support your audio system, […]
TDA7381 4 x 25W Quad Audio Amplifier
The following is 4 x 25W quad audio amplifier circuit (amplifier with four inputs and four outputs) based TDA7381. This amplifier is designed for car audio system, but you can also use this circuit for other […]
60W Power Audio Amplifier based on TDA2052
This is the 60W power audio amplifier circuit based on IC TDA2052. If you want to create an amplifier that is able to produce a good sound output with low distortion audio, then this amplifier could […]
32W Hi-Fi Audio Amplifier with TDA2050
Here is a Hi-Fi power audio amplifier circuit, built with a power IC TDA2050. This circuit will produce a power output up to 32watt. With good sound quality, high power and very low distortion feature, this […]
2x25W Stereo Power Amplifier with STK4141II
Here the stereo power amplifier based on single IC STK4141II. This stereo amplifier circuit will deliver 25W audio power on each output channel. Recommended voltage is 27.5V for 8 ohms speaker and 24.5V for 4 ohms […]
2 x 100W Stereo Power Amplifier with STK4231II
Here is the?2 x 100W stereo power amplifier with STK4231II as the main amplifier component. This is a high power audio amplifier with dual output channel at 100W max for each channel. I think it is […]
2 x 30W Audio Amplifier with STK-465
Here is the simple 2 x 30W audio amplifier with STK-465 power IC. Simple circuit with higher power output, this amplifier circuit is very easy to build. Just look at the PCB layout of this circuit.. […]