audio circuit

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

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

4W Audio Amplifier using Transistor TIP41

This 4W Audio Amplifier circuit is powered by 2 pieces of transistor TIP41. The circuit is very simple and incorporates…

55 years ago

5W Tube Amplifier with EL84

Here is the circuit diagram of the classic 5W Tube Amplifier with EL84 as the final amplification component. This is…

55 years ago

20 Watt Stereo Audio Amplifier using TDA2005

This is the scheme diagram of 20 Watt stereo audio amplifier which use dual IC TDA2005, one IC for left…

55 years ago

Loudspeaker System Crossover Network

Building a passive crossover for a speaker involves designing a network of passive electrical components (resistors, capacitors, and inductors) that…

55 years ago