This is the active FM receiver antenna amplifier, used to boost the FM signal catch by the antenna, you may…
The following schematic diagram is a small surround sound decoder circuit. You may use this decoder surround sound systems for…
The following diagram is the circuit diagram of low cost 12V stereo tone control which also available in kit, you…
The circuit below is a Dynamic Mic Compressor circuit which is simple, easy to built, inexpensive but the results are…
The following scheme diagram is the four 4 band equalizer circuit. Equalizer device is generally used to improve the fidelity…
This is a very basic circuit diagram of 3 band tone control. This basic tone control circuit was originally intended…
The following is a circuit of a power amplifier 140W. This Circuit using 741 IC-based circuit opAmp as strengthening early…
Below is a mic compressor circuit that uses transistors as active components. VR1 and VR 2 is used to control…
Here's a very simple circuit inverter that converts DC current into AC current, from 12V DC to 220V AC with…
This 300W OCL power amplifier -i'm sorry for the blur diagram, but it should be readable- use 4 pairs of…