4in1 - 100W RMS Power Amplifier With VU, Power Supply and Tone Control Schematic

100W Power Amplifier Based IC TDA7294

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 the VU meter uses IC LM3914. The tone control preamp uses […]

Audio Mixer + VU Meter

This is an audio mixer circuit which designed along with VU meter circuit. The circuit is for one channel input, if you need, for example 5 channel mixer, then you need to build 5 similar circuits. […]