This is a very interesting circuit design to assemble. There are 4in1 amplifier module in a circuit board. 100W power amplifier using the TDA7294, for […]


This is a very basic circuit diagram of 3 band tone control. This basic tone control circuit was originally intended for home audio use, but […]

This is a inexpensive high fidelity (hi-fi) tone control circuit designed just with two low cost transistors as the active components. The schematic is one […]